Profil

SIEBENTRITT Susanne

University of Luxembourg > Faculty of Science, Technology and Medicine (FSTM) > Department of Physics and Materials Science (DPHYMS)

Main Referenced Co-authors
REDINGER, Alex  (44)
WEISS, Thomas  (30)
DALE, Phillip  (29)
MELCHIORRE, Michele  (27)
Gütay, Levent  (20)
Main Referenced Keywords
KPFM (2); Photoluminescence (2); thin film solar cells (2); Absorber layers (1); admittance measurement (1);
Main Referenced Unit & Research Centers
Laboratory for Photovoltaics (2)
University of Luxembourg (1)
University of Luxembourg Physics and Materials Science Research Unit (1)
Main Referenced Disciplines
Physics (178)
Physical, chemical, mathematical & earth Sciences: Multidisciplinary, general & others (6)
Chemistry (3)
Production, distribution & supply chain management (1)
Civil engineering (1)

Publications (total 184)

The most downloaded
1358 downloads
Siebentritt, S. (2013). Why are kesterite solar cells not 20% efficient? Thin Solid Films. doi:10.1016/j.tsf.2012.12.089 https://hdl.handle.net/10993/8626

The most cited

545 citations (Scopus®)

Siebentritt, S., & Schorr, S. (2012). Kesterites - a challenging material for solar cells. Progress in Photovoltaics, 20, 512-519. doi:10.1002/pip.2156 https://hdl.handle.net/10993/8645

ZLATANOVA, K.* , SIEBENTRITT, S.* , SCHULZ, C.* , FRIDGEN, G., HANSEN, J., LÖHNDORF, N., MANTIN, B., Pontenciano Menci, S., SCHYMANSKI, E., & VENDITTI, S. (2024). RISK2050: study on the vulnerability of the national economy in the face of physical risks.
* These authors have contributed equally to this work.

PROT, A. J.-C. M., MELCHIORRE, M., Dingwell, F., Zelenina, A., ELANZEERY, H., LOMUSCIO, A., Dalibor, T., Guc, M., Fonoll-Rubio, R., Izquierdo-Roca, V., Kusch, G., Oliver, R. A., & SIEBENTRITT, S. (18 October 2023). Composition variations in Cu(In,Ga)(S,Se)2 solar cells: Not a gradient, but an interlaced network of two phases. APL Materials, 11 (10). doi:10.1063/5.0165546
Peer Reviewed verified by ORBi

Weiss, T., Ramirez Sanchez, O., Paetel, S., Witte, W., Nishinaga, J., Feurer, T., & Siebentritt, S. (2023). Metastable Defects Decrease the Fill Factor of Solar Cells. Physical Review Applied. doi:10.1103/PhysRevApplied.19.024052
Peer Reviewed verified by ORBi

Babbe, F., Nicoara, N., Guthrey, H., Valle, N., Ramirez Sanchez, O., Aureau, D., Elanzeery, H., Deepanjan, S., Virtuoso, J. L., Audinot, J.-N., Zelenina, A., Gharabeiki, S., Wirtz, T., Siebentritt, S., Dale, P., sadewasser, S., & Colombara, D. (2023). Vacuum-Healing of Grain Boundaries in Sodium-Doped CuInSe2 Solar Cell Absorbers. Advanced Energy Materials, 2204183, 1-11. doi:10.1002/aenm.202204183
Peer Reviewed verified by ORBi

Peedle, S., Adeleye, D., Shukla, S., Siebentritt, S., Oliver, R., & Kusch, G. (2023). Role of nanoscale compositional inhomogeneities in limiting the open circuit voltage in Cu(In,Ga)S2 solar cells. APL Energy, 1. doi:10.1063/5.0145450
Peer reviewed

Siebentritt, S., & Weiss, T. (2022). Chalcopyrite solar cells - state-of-the-art and options for improvement. Science China: Physics, Mechanics and Astronomy. doi:10.1007/s11433-022-2001-4
Peer reviewed

Singh, A., Hieulle, J., Phirke, H., Ferreira Machado, J. A., Gharabeiki, S., Ahmad, R., Siebentritt, S., & Redinger, A. (2022). Sn4+-free, stable tin perovskite films for lead-free perovskite solar cells. 2022 IEEE 49th Photovoltaics Specialists Conference (PVSC). doi:10.1109/PVSC48317.2022.9938891
Peer reviewed

Siebentritt, S., Rau, U., Gharabeiki, S., Weiss, T., Prot, A. J.-C. M., Wang, T., Adeleye, D., Drahem, M. M. M., & Singh, A. (2022). Photoluminescence assessment of materials for solar cell absorbers. Faraday Discussions. doi:10.1039/D2FD00057A
Peer Reviewed verified by ORBi

Ramirez Sanchez, O., Martin Lanzoni, E., Goncalinho Poeira, R. J., Weiss, T., Leturcq, R., Redinger, A., & Siebentritt, S. (2022). How much gallium do we need for a p-type Cu(In,Ga)Se2? APL Materials. doi:10.1063/5.0091676
Peer Reviewed verified by ORBi

Sood, M., Adeleye, D., Shukla, S., Törndahl, T., Hultqvist, A., & Siebentritt, S. (2022). Low temperature (Zn,Sn)O deposition for reducing interface open-circuit voltage deficit to achieve highly efficient Se-free Cu(In,Ga)S2 solar cells. Faraday Discussions of the Chemical Society. doi:10.1039/d2fd00046f
Peer Reviewed verified by ORBi

Lie, S., Guc, M., Tunuguntla, V., Izquierdo-Roca, V., Siebentritt, S., & Wong, L. H. (2022). Comprehensive physicochemical and photovoltaic analysis of different Zn substitutes (Mn, mg, Fe, Ni, Co, Ba, Sr) in CZTS-inspired thin film solar cells. Journal of Materials Chemistry. doi:10.1039/d2ta00225f
Peer Reviewed verified by ORBi

Sood, M., Bombsch, J., Lomuscio, A., Shukla, S., Hartmann, C., Frisch, J., Bremsteller, W., Ueda, S., Wilks, R. G., Bär, M., & Siebentritt, S. (2022). Origin of Interface Limitation in Zn(O,S)/CuInS2‑Based Solar Cells. ACS Applied Materials and Interfaces, 14, 9676−9684. doi:10.1021/acsami.1c19156
Peer Reviewed verified by ORBi

Siebentritt, S., Lomuscio, A., Adeleye, D., Dwivedi, A., & Sood, M. (2022). Sulfide Chalcopyrite Solar Cells–Are They the Same as Selenides with a Wider Bandgap? Physica Status Solidi. Rapid Research Letters, 2200126, 1-12. doi:10.1002/pssr.202200126
Peer Reviewed verified by ORBi

Weiss, T., Minguez-Bacho, M.-B., Zuccala, E., Melchiorre, M., Valle, N., El Adib, B., Yokosawa, T., Spiecker, Bachmann, J., Dale, P., & Siebentritt, S. (2022). Post-deposition annealing and interfacial atomic layer deposition buffer layers of Sb2Se3/CdS stacks for reduced interface recombination and increased open-circuit voltages. Progress in Photovoltaics. doi:10.1002/pip.3625
Peer Reviewed verified by ORBi

Dale, P., Siebentritt, S., Sood, M., Weiss, T., & Yetkin, H. A. (2022). Indium-free CIGS analogues: general discussion. Faraday Discussions. doi:10.1039/d2fd90055f
Peer Reviewed verified by ORBi

Wang, T., Ehre, F., Weiss, T., Veith-Wolf, B., Titova, V., Valle, N., Melchiorre, M., Ramirez Sanchez, O., Schmidt, J., & Siebentritt, S. (2022). Diode Factor in Solar Cells with Metastable Defects and Back Contact Recombination. Advanced Energy Materials. doi:10.1002/aenm.202202076
Peer Reviewed verified by ORBi

Sood, M., Gnanasambandan, P., Adeleye, D., Shukla, S., Adjeroud, N., Leturcq, R., & Siebentritt, S. (2022). Electrical barriers and their elimination by tuning (Zn,Mg)O buffer composition in Cu(In,Ga)S2 solar cells: systematic approach to achieve over 14% power conversion efficiency. Journal of Physics : Energy, 4. doi:10.1088/2515-7655/ac8838
Peer Reviewed verified by ORBi

Dale, P., Siebentritt, S., sood, Weiss, T., & Yetkin, H. A. (2022). Bulk and surface characterisation techniques of solar absorbers: general discussion. Faraday Discussions. doi:10.1039/d2fd90056d
Peer reviewed

Igal, L., Kohei, S., Lomuscio, A., Kulbak, M., Rehermann, C., Zohar, A., Abdi-Jalebi, M., Zhao, B., Siebentritt, S., Zu, F., Koch, N., Kahn, A., Hodes, G., Friend, R. H., & Cahen, D. (2022). Direct Probing of Gap States and Their Passivation in Halide Perovskites by High-Sensitivity, Variable Energy Ultraviolet Photoelectron Spectroscopy. Journal of Physical Chemistry. C, Nanomaterials and interfaces, 125. doi:10.1021/acs.jpcc.0c11627
Peer Reviewed verified by ORBi

Levcenko, S., Biller, B., Pfeiffelmann, P., Ritter, K., Falk, H. H., Wang, T., Siebentritt, S., Welte, E., & chnohr, C. S. (2022). High-resolution XEOL spectroscopy setup at the X-ray absorption spectroscopy beamline P65 of PETRA III. Journal of Synchrotron Radiation, 29. doi:10.1107/S1600577522007287
Peer Reviewed verified by ORBi

Sood, M., Urbanaik, A., Kameni Boumenou, C., Weiss, T., Elanzeery, H., Babbe, F., Werner, F., Melchiorre, M., & Siebentritt, S. (2021). Near surface defects: Cause of deficit between internal and external open-circuit voltage in solar cells. Progress in Photovoltaics. doi:10.1002/pip.3483
Peer Reviewed verified by ORBi

Martin Lanzoni, E., Gallet, T., Spindler, C., Ramirez Sanchez, O., Kameni Boumenou, C., Siebentritt, S., & Redinger, A. (02 July 2021). The impact of Kelvin probe force microscopy operation modes and environment on grain boundary band bending in perovskite and Cu(In,Ga)Se2 solar cells. Nano Energy, 88, 106270. doi:10.1016/j.nanoen.2021.106270
Peer reviewed

Shukla, S., Sood, M., Adeleye, D., Peedle, S., Kusch, G., Dahliah, D., Melchiorre, M., Rignanese, G.-M., Hautier, G., Oliver, R., & Siebentritt, S. (July 2021). Over 15% efficient wide-band-gap Cu(In,Ga)S2 solar cell: Suppressing bulk and interface recombination through composition engineering. Joule, 5, 1-16. doi:10.1016/j.joule.2021.05.004
Peer reviewed

Shukla, S., Adeleye, D., Sood, M., Ehre, F., Lomuscio, A., Weiss, T., Siopa, D., Melchiorre, M., & Siebentritt, S. (21 May 2021). Carrier recombination mechanism and photovoltage deficit in 1.7-eV band gap near-stoichiometric Cu(In,Ga)S2. Physical Review Materials, 5. doi:10.1103/PhysRevMaterials.5.055403
Peer Reviewed verified by ORBi

Adeleye, D., Lomuscio, A., Sood, M., & Siebentritt, S. (17 February 2021). Lifetime, quasi-Fermi level splitting and doping concentration of Cu-rich CuInS2 absorbers. Materials Research Express, 8, 025905. doi:10.1088/2053-1591/abe3c1
Peer Reviewed verified by ORBi

Ramirez Sanchez, O., Bertrand, M., Debot, A., Siopa, D., Valle, N., Schmauch, J., & Siebentritt, S. (2021). The effect of KF post-deposition treatments on the optoelectronic properties of Cu(In,Ga)Se2 single crystals. Solar RRL.
Peer Reviewed verified by ORBi

Weiss, T., Ehre, F., Serrano Escalante, V., Siebentritt, S., & Wang, T. (2021). Understanding Performance Limitations of Cu(In,Ga)Se2 Solar Cells due to Metastable Defects—A Route toward Higher Efficiencies. Solar RRL, 2100063. doi:10.1002/solr.202100063
Peer Reviewed verified by ORBi

Wolter, M., Carron, R., Avancini, E., Bissig, B., Weiss, T., Nishiwaki, S., Feurer, T., Buecheler, S., Jackson, P., Witte, W., & Siebentritt, S. (2021). How band tail recombination influences the open-circuit voltage of solar cells. Progress in Photovoltaics. doi:10.1002/pip.3449
Peer Reviewed verified by ORBi

Sood, M., Lomuscio, A., Werner, F., Nikolaeva, A., Dale, P., Melchiorre, M., Guillot, J., Abou-Ras, D., & Siebentritt, S. (2021). Passivating Surface Defects and Reducing Interface Recombination in CuInS2 Solar Cells by a Facile Solution Treatment. Solar RRL, 2100078 (1-10. doi:10.1002/solr.202100078
Peer Reviewed verified by ORBi

Siebentritt, S., Weiss, T., Sood, M., Wolter, M., Lomuscio, A., & Ramirez Sanchez, O. (2021). How photoluminescence can predict the efficiency of solar cells. JPhys Materials. doi:10.1088/2515-7639/ac266e
Peer Reviewed verified by ORBi

Sood, M., Elanzeery, H., Adeleye, D., Lomuscio, A., Werner, F., Ehre, F., Melchiorre, M., & Siebentritt, S. (2020). Absorber composition: A critical parameter for the effectiveness of heat treatments in chalcopyrite solar cells. Progress in Photovoltaics. doi:10.1002/pip.3314
Peer Reviewed verified by ORBi

Kameni Boumenou, C., Babbe, F., Elizabeth, A., Melchiorre, M., Spindler, C., Guillot, J., Mönig, H., Siebentritt, S., & Redinger, A. (2020). Passivation of the CuInSe2 surface via cadmium pre-electrolyte treatment. Physical Review Materials. doi:10.1103/PhysRevMaterials.4.045405
Peer Reviewed verified by ORBi

Lomuscio, A., Sood, M., Melchiorre, M., & Siebentritt, S. (February 2020). Phonon coupling and shallow defects in CuInS2. Physical Review. B, 101 (8), 085119. doi:10.1103/PhysRevB.101.085119
Peer Reviewed verified by ORBi

Rey, G., Paduthol, A., Sun, K., Nagle, T., Poplavskyy, D., Serrano Escalante, V., Melchiorre, M., Siebentritt, S., Abbott, M., & Trupke, T. (2020). Photoluminescence-Based Method for Imaging Buffer Layer Thickness in CIGS Solar Cells. IEEE Journal of Photovoltaics. doi:10.1109/JPHOTOV.2019.2950630
Peer Reviewed verified by ORBi

Colombara, D., Elanzeery, H., Nicoara, N., Sharma, D., Claro, M., Schwartz, T., Koprek, A., Wolter, M., Melchiorre, M., Sood, M., Valle, N., Bondarchuk, O., Babbe, F., Spindler, C., Cojocaru-Miredin, O., Raabe, D., Dale, P., Sadewasser, S., & Siebentritt, S. (2020). Chemical instability at chalcogenide surfaces impacts chalcopyrite devices well beyond the surface. Nature Communications. doi:10.1038/s41467-020-17434-8
Peer Reviewed verified by ORBi

Schwarz, T., Lomuscio, A., Siebentritt, S., & Gault, B. (2020). On the chemistry of grain boundaries in CuInS2 film. Nano Energy, 76. doi:10.1016/j.nanoen.2020.105081
Peer Reviewed verified by ORBi

Weiss, T., Arnou, P., Melchiorre, M., Guennou, M., Siopa, D., Pauly, C., Peral Alonso, I., Dale, P., & Siebentritt, S. (2020). Thin-film (Sb,Bi)2Se3 Semiconducting Layers with Tunable Band Gaps Below 1 eV for Photovoltaic Applications. Physical Review Applied, 14, 024014-1-11. doi:10.1103/PhysRevApplied.14.024014
Peer Reviewed verified by ORBi

Werner, F., Veith-Wolf, B., Spindler, C., Barget, M., Babbe, F., Guillot, J., Schmidt, J., & Siebentritt, S. (2020). Oxidation as Key Mechanism for Efficient Interface Passivation in Cu(In,Ga)Se2 Thin-Film Solar Cells. Physical Review Applied. doi:10.1103/PhysRevApplied.13.054004
Peer Reviewed verified by ORBi

Werner, F., Veith-Wolf, B., Melchiorre, M., Babbe, F., Schmidt, J., & Siebentritt, S. (2020). Ultra-thin passivation layers in cu(in,Ga)Se2 thin-film solar cells: full-area passivated front contacts and their impact on bulk doping. Scientific Reports. doi:10.1038/s41598-020-64448-9
Peer Reviewed verified by ORBi

Siebentritt, S., Avancini, E., Bär, M., Bombsch, J., Bourgeois, E., Buecheler, S., Carron, R., Castro, C., Dugay, S., Felix, R., Handick, E., Hariskos, D., Havu, V., Jackson, P., Komsa, H.-P., Kunze, T., Malitckaya, M., Menozzi, R., Nesladek, M., ... Wolter, M. (2020). Heavy Alkali Treatment of Cu(In,Ga)Se2 Solar Cells: Surface versus Bulk effects. Advanced Energy Materials, 1902752. doi:10.1002/aenm.201903752
Peer Reviewed verified by ORBi

Lanzoni, E., Spindler, C., Ramirez Sanchez, O., Melchiorre, M., Siebentritt, S., & Redinger, A. (2020). Surface characterization of epitaxial Cu-rich CuInSe2 absorbers. IEEE. doi:10.1109/PVSC40753.2019.8981200

Spindler, C., Babbe, F., Wolter, M., Ehre, F., Santhosh, K., Hilgert, P., Werner, F., & Siebentritt, S. (23 September 2019). Electronic defects in Cu(In,Ga)Se2: Towards a comprehensive model. Physical Review Materials, 3, 1-20. doi:10.1103/PhysRevMaterials.3.090302
Peer Reviewed verified by ORBi

Martin Lanzoni, E., Spindler, C., Ramirez Sanchez, O., Melchiorre, M., Siebentritt, S., & Redinger, A. (2019). Surface characterization of epitaxial Cu-rich CuInSe2 absorbers. IEEE Photovoltaic Specialists Conference. Conference Record. doi:10.1109/PVSC40753.2019.8981200
Peer reviewed

Carr, C., König, A., Reckinger, R., Schulz, C., Siebentritt, S., & Teferle, F. N. (2019). "Keine Schwarzseher" Forscher der Universität Luxemburg unterstützen Jugendliche von "Fridays for Future". Luxemburger Wort, p. 12.

Lomuscio, A., Rödel, T., Schwarz, T., Gault, B., Melchiorre, M., Raabe, D., & Siebentritt, S. (20 May 2019). Quasi-Fermi-Level Splitting of Cu-Poor and Cu-Rich CuInS2 Absorber Layers. Physical Review Applied, 11, 054052. doi:10.1103/PhysRevApplied.11.054052
Peer Reviewed verified by ORBi

Elanzeery, H., Melchiorre, M., Sood, M., Babbe, F., Werner, F., Brammertz, G., & Siebentritt, S. (16 May 2019). Challenge in Cu-rich CuInSe2 thin film solar cells: Defect caused by etching. Physical Review Materials, 3, 055403. doi:10.1103/PhysRevMaterials.3.055403
Peer Reviewed verified by ORBi

Schwarz, T., Redinger, A., Siebentritt, S., Zirong, P., Gault, B., Raabe, D., & Choi, P.-P. (March 2019). Variable chemical decoration of extended defects in Cu-poor Cu2ZnSnSe4 thin films. Physical Review Materials, 3, 035402. doi:10.1103/PhysRevMaterials.3.035402
Peer Reviewed verified by ORBi

Babbe, F., Elanzeery, H., Wolter, M., Santhosh, K., & Siebentritt, S. (2019). The hunt for the third acceptor in CuInSe2 and Cu(In,Ga)Se2 absorber layers. Journal of Physics: Condensed Matter, 31, 425702. doi:10.1088/1361-648X/ab2e24
Peer Reviewed verified by ORBi

Weiss, T., Carron, R., Wolter, M., Löckinger, J., Avancini, E., Siebentritt, S., Buecheler, S., & Tiwari, A. (2019). Time-resolved photoluminescence on double graded Cu(In,Ga)Se2 – Impact of front surface recombination and its temperature dependence. Science and Technology of Advanced Materials, 20, 313–323. doi:10.1080/14686996.2019.1586583
Peer reviewed

Spindler, C., Galvani, T., Wirtz, L., Rey, G., & Siebentritt, S. (2019). Excitation-intensity dependence of shallow and deep-level photoluminescence transitions in semiconductors. Journal of Applied Physics. doi:10.1063/1.5095235
Peer Reviewed verified by ORBi

Werner, F., Babbe, F., Elanzeery, H., & Siebentritt, S. (2019). Can we see defects in capacitance measurements of thin‐film solar cells ? Progress in Photovoltaics, 27, 1045–1058. doi:10.1002/pip.3196
Peer Reviewed verified by ORBi

Lomuscio, A., Melchiorre, M., & Siebentritt, S. (2018). Influence of stoichiometry and temperature on quasi Fermi level splitting of sulfide CIS absorber layers. 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC, 1922-1924. doi:10.1109/PVSC.2018.8548252
Peer reviewed

Elanzeery, H., Babbe, F., Melchiorre, M., Werner, F., & Siebentritt, S. (2018). High‐performance low bandgap thin film solar cells for tandem applications. Progress in Photovoltaics, 1-6. doi:10.1002/pip.3026
Peer Reviewed verified by ORBi

Werner, F., & Siebentritt, S. (2018). Buffer Layers, Defects, and the Capacitance Step in the Admittance Spectrum of a Thin-Film Solar Cell. Physical Review Applied, 9, 054047. doi:10.1103/PhysRevApplied.9.054047
Peer Reviewed verified by ORBi

Colombara, D., Werner, F., Schwarz, T., Cañero Infante, I., Fleming, Y., Valle, N., Spindler, C., Vacchieri, E., Rey, G., Guennou, M., Bouttemy, M., Garzón Manjón, A., Peral Alonso, I., Melchiorre, M., El Adib, B., Gault, B., Raabe, D., Dale, P., & Siebentritt, S. (2018). Sodium enhances indium-gallium interdiffusion in copper indium gallium diselenide photovoltaic absorbers. Nature Communications. doi:10.1038/s41467-018-03115-0
Peer Reviewed verified by ORBi

Werner, F., Wolter, M., Siebentritt, S., Sozzi, G., Di Napoli, S., Menozzi, R., Jackson, P., Witte, W., Carron, R., Avancini, E., Weiss, T., & Buecheler, S. (2018). Alkali treatments of Cu(In,Ga)Se2 thin‐film absorbers and their impact on transport barriers. Progress in Photovoltaics. doi:10.1002/pip.3032
Peer Reviewed verified by ORBi

Babbe, F., Choubrac, L., & Siebentritt, S. (2018). The Optical Diode Ideality Factor Enables Fast Screening of Semiconductors for Solar Cells. Solar RRL, 1800248, 1800248. doi:10.1002/solr.201800248
Peer Reviewed verified by ORBi

Werner, F., Babbe, F., Burkhart, J., Spindler, C., Elanzeery, H., & Siebentritt, S. (2018). Interdiffusion and Doping Gradients at the Buffer/Absorber Interface in Thin-Film Solar Cells. ACS Applied Materials and Interfaces, 10, 28553-28565. doi:10.1021/acsami.8b08076
Peer Reviewed verified by ORBi

Reiners, N., Blieske, U., & Siebentritt, S. (2018). Investigation on the Angle and Spectral Dependence of the Internal and the External Quantum Efficiency of Crystalline Silicon Solar Cells and Modules. IEEE Journal of Photovoltaics. doi:10.1109/JPHOTOV.2018.2860956
Peer Reviewed verified by ORBi

Babbe, F., Elanzeery, H., Melchiorre, M., Zelenina, A., & Siebentritt, S. (2018). Potassium fluoride postdeposition treatment with etching step on both Cu-rich and Cu-poor CuInSe2 thin film solar cells. Physical Review Materials, 2 (10), 105405. doi:10.1103/PhysRevMaterials.2.105405
Peer Reviewed verified by ORBi

Rey, G., Spindler, C., Rachad, W., Siebentritt, S., Babbe, F., Nuys, M., Carius, R., Li, S., & Platzer-Björkman, C. (2018). Absorption Coefficient of a Semiconductor Thin Film from Photoluminescence. Physical Review Applied, 9, 064008. doi:10.1103/PhysRevApplied.9.064008
Peer Reviewed verified by ORBi

Wolter, M., Bissig, B., Avancini, E., Carron, R., Buecheler, S., Jackson, P., & Siebentritt, S. (2018). Influence of Sodium and Rubidium Postdeposition Treatment on the Quasi-Fermi Level Splitting of Cu(In,Ga)Se2 Thin Films. IEEE Journal of Photovoltaics. doi:10.1109/JPHOTOV.2018.2855113
Peer Reviewed verified by ORBi

Wolter, M., Bissig, B., Reinhard, P., Buecheler, S., Jackson, P., & Siebentritt, S. (2017). Correcting for interference effects in the photoluminescence of Cu(In,Ga)Se2 thin films. Physica Status Solidi C. Current Topics in Solid State Physics, 14, no 6, 1600189. doi:10.1002/pssc.201600189
Peer reviewed

Siebentritt, S. (2017). Chalcopyrite compound semiconductors for thin film solar cells. Current Opinion in Green and Sustainable Chemistry. doi:10.1016/j.cogsc.2017.02.001
Peer reviewed

Siebentritt, S. (2017). High voltage, please ! Nature Energy, 2, 840. doi:10.1038/s41560-017-0031-x
Peer reviewed

Zelenina, A., Werner, F., Elanzeery, H., Melchiorre, M., & Siebentritt, S. (2017). Space-charge-limited currents in CIS-based solar cells. Applied Physics Letters, 111, 213903. doi:10.1063/1.5006040
Peer Reviewed verified by ORBi

Elanzeery, H., Babbe, F., Melchiorre, M., Robert, E., Zelenina, A., & Siebentritt, S. (2017). Potassium fluoride ex-situ treatment on both Cu-rich and Cu-poor CuInSe2 thin film solar cells. IEEE Journal of Photovoltaics, 7 (2), 684-689. doi:10.1109/JPHOTOV.2017.2651802
Peer Reviewed verified by ORBi

Hönes, C., Hackenberg, J., Keller, R., Zweigart, S., Fuchs, A., & Siebentritt, S. (2017). A Novel Fast Process for Zn(O,S) Buffer Layers, Doped With Al and B and Deposited on CIGSSe Solar Cells. IEEE Journal of Photovoltaics, 7, 864. doi:10.1109/JPHOTOV.2017.2669360
Peer Reviewed verified by ORBi

Rey, G., Larramona, G., Bourdais, S., Choné, C., Delatouche, B., Jacob, A., Dennler, G., & Siebentritt, S. (2017). On the origin of band-tails in kesterite. Solar Energy Materials and Solar Cells. doi:10.1016/j.solmat.2017.11.005
Peer reviewed

Abou-Ras, D., Wagner, S., Stanbery, B. J., Schock, H.-W., Scheer, R., Stolt, L., Siebentritt, S., Lincot, D., Eberspacher, C., Kushiya, K., & Tiwari, A. N. (2017). Innovation highway: Breakthrough milestones and key evelopments in chalcopyrite photovoltaics from a retrospective viewpoint. Thin Solid Films, 633, 2-12. doi:10.1016/j.tsf.2017.01.005
Peer Reviewed verified by ORBi

Werner, F., Bertram, T., Mengozzi, J., & Siebentritt, S. (2017). What is the dopant concentration in polycrystalline thin-film Cu(In,Ga)Se2 ? Thin Solid Films, 633, 222-226. doi:10.1016/j.tsf.2016.09.038
Peer Reviewed verified by ORBi

Hala, M., Kato, H., Algasinger, M., Inoue, Y., Rey, G., Werner, F., Schubbert, C., Dalibor, T., & Siebentritt, S. (2017). Improved environmental stability of highly conductive nominally undoped ZnO layers suitable for n-type windows in thin film solar cells. Solar Energy Materials and Solar Cells, 161, 232-239. doi:10.1016/j.solmat.2016.11.015
Peer Reviewed verified by ORBi

Choubrac, L., Bertram, T., Elanzeery, H., & Siebentritt, S. (2017). Better Cu(In,Ga)Se2 solar cells based on surface treated stoichiometric absorbers. Physica Status Solidi A. Applications and Materials Science, 214, No. 1, 1600482 - 1 to 6. doi:10.1002/PSSA.201600482
Peer Reviewed verified by ORBi

Rey, G., Babbe, F., Weiss, T., Elanzeery, H., Melchiorre, M., Valle, N., Brahime, E. A., & Siebentritt, S. (14 November 2016). Post-deposition treatment of Cu2ZnSnSe4 with alkalis. Thin Solid Films, 633, 162-165. doi:10.1016/j.tsf.2016.11.021
Peer reviewed

Weiss, T., Redinger, A., Rey, G., Schwarz, T., Spies, M., Cojocura-Mir edin, O., Choi, P. P., & Siebentritt, S. (July 2016). Impact of annealing on electrical properties of Cu2ZnSnSe4 absorber layers. Journal of Applied Physics, 120, 045703. doi:10.1063/1.4959611
Peer Reviewed verified by ORBi

Spindler, C., Siebentritt, S., & Regesch, D. (July 2016). Revisiting radiative deep-level transitions in CuGaSe2 by photoluminescence. Applied Physics Letters, 109, 032105. doi:10.1063/1.4959557
Peer Reviewed verified by ORBi

Bertram, T., Deprédurand, V., & Siebentritt, S. (March 2016). Electrical Characterization of Defects in Cu-Rich Grown CuInSe2 Solar Cells. IEEE Journal of Photovoltaics, 6 (2), 546-551. doi:10.1109/JPHOTOV.2015.2508239
Peer Reviewed verified by ORBi

Hönes, C., Fuchs, A., Zweigart, S., & Siebentritt, S. (2016). Improved Chemically Deposited Zn(O,S) Buffers for Cu(In,Ga)(S,Se)2 Solar Cells by Controlled Incorporation of Indium. IEEE Journal of Photovoltaics, 6 (1). doi:10.1109/JPHOTOV.2015.2487818
Peer Reviewed verified by ORBi

Crêpellière J., Lunca Popa P., Bahlawane N., Leturcq R., Werner, F., Siebentritt, S., & Lenoble D. (2016). Transparent conductive CuCrO2 thin films deposited by pulsed injection metal organic chemical vapor deposition: up-scalable process technology for an improved transparency/conductivity trade-off. Journal of Materials Chemistry C. doi:10.1039/c6tc00383d
Peer Reviewed verified by ORBi

Werner, F., Colombara, D., Melchiorre, M., Valle, N., El Adib, B., Spindler, C., & Siebentritt, S. (2016). Doping mechanism in pure CuInSe2. JOURNAL OF APPLIED PHYSICS, 119, 173106. doi:10.1063/1.4947585
Peer reviewed

Hala, M., Inoue, Y., Kato, I., Rey, G., Werner, F., Schubbert, C., Dalibor, T., & Siebentritt, S. (2016). Environmental stability of highly conductive nominally undoped ZnO layers. IEEE Photovoltaic Specialists Conference. Conference Record, 978-1-5090-2724. doi:10.1109/PVSC.2016.7749860
Peer reviewed

Babbe, F., Choubrac, L., & Siebentritt, S. (2016). Quasi Fermi level splitting of Cu-rich and Cu-poor Cu(In,Ga)Se2 absorber layers. Applied Physics Letters, 109, 082805. doi:10.1063/1.4961530
Peer Reviewed verified by ORBi

Scragg, J. J. S., Larsen, J. K., Kumar, M., Persson, C., Sendler, J., Siebentritt, S., & Platzer Björkman, C. (2016). Cu–Zn disorder and band gap fluctuations in Cu2ZnSn(S,Se)4: Theoretical and experimental investigations. Physica Status Solidi B. Basic Research, 253 (2), 247-254. doi:10.1002/pssb.201552530
Peer Reviewed verified by ORBi

Sendler, J., Thevenin, M., Werner, F., Redinger, A., Shuyi Li, Hägglund, C., Platzer-Björkman, C., & Siebentritt, S. (2016). Photoluminescence studies in epitaxial CZTSe thin films. Journal of Applied Physics, 120, 125701. doi:10.1063/1.4962630
Peer Reviewed verified by ORBi

Babbe, F., Choubrac, L., & Siebentritt, S. (2016). Study on the quasi Fermi level splitting of Cu(In,Ga)Se2 absorber layers with Cu-rich and Cu-poor composition. IEEE Photovoltaic Specialists Conference. Conference Record, 1142-1145.
Peer reviewed

Rey, G., Weiss, T., Sendler, J., Finger, A., Spindler, C., Werner, F., Melchiorre, M., Hala, M., Guennou, M., & Siebentritt, S. (2016). Ordering kesterite improves solar cells:A low temperature post-deposition annealing study. Solar Energy Materials and Solar Cells, 151, 131-138. doi:10.1016/j.solmat.2016.02.014
Peer Reviewed verified by ORBi

Bourdais S., Choné C., Delatouche B., Jacob A., Larramona G., Moisan C., Dennler G., Lafond A., Donatini F., Rey, G., & Siebentritt, S. (2016). Is the Cu/Zn disorder the main culprit for the voltage deficit in kesterite solar cells? Advanced Energy Materials, 6 - 15002276. doi:10.1002/AENM.201502276
Peer Reviewed verified by ORBi

Siebentritt, S., Rey, G., Finger, A., Regesch, D., Sendler, J., Weiss, T., & Bertram, T. (2015). What is the band gap of kesterite? Solar Energy Materials and Solar Cells. doi:10.1016/j.solmat.2015.10.017
Peer Reviewed verified by ORBi

Hala, M., Fujii, S., Redinger, A., Inoue, Y., Rey, G., Thevenin, M., Depredurand, V., Weiss, T., Bertram, T., & Siebentritt, S. (2015). Highly conductive ZnO films with high near infrared transparency. Progress in Photovoltaics. doi:10.1002/pip.2601
Peer Reviewed verified by ORBi

Siebentritt, S. (22 January 2015). Thin film solar cells – success, challenges and perspectives [Paper presentation]. Opening of the International Year of Light - Annual meeting of Danish Physical Society, Lyngby, Denmark.

Aida, Y., Depredurand, V., Larsen, J. K., Arai, H., Tanaka, D., Masato, K., & Siebentritt, S. (2015). Cu-rich CuInSe2 solar cells with a Cu-poor surface. PROGRESS IN PHOTOVOLTAICS, 23, 754-764. doi:10.1002/pip.2493
Peer reviewed

Schwarz, T., Marques, M. A. L., Botti, S., Mousel, M., Redinger, A., Siebentritt, S., Cojocaru-Mir edin, O., Raabe, D., & Choi, P.-P. (2015). Detection of Cu2Zn5SnSe8 and Cu2Zn6SnSe9 phases in co-evaporated Cu2ZnSnSe4 thin-films. Applied Physics Letters, 107, 172102. doi:10.1063/1.4934847
Peer Reviewed verified by ORBi

Krämmer, C., Huber, C., Redinger, A., Sperber, D., Rey, G., Siebentritt, S., Kalt, H., & Hetteric, M. (2015). Diffuse Electroreflectance of thin-film solar cells: Suppression of interference-related lineshape distortions. Applied Physics Letters, 107, 222104. doi:10.1063/1.4936649
Peer Reviewed verified by ORBi

Redinger, A., Groiss, H., Sendler, J., Djemour, R., Regesch, D., Gerthsen, D., & Siebentritt, S. (2015). Epitaxial Cu2ZnSnSe4 thin films and devices. Thin Solid Films, 582, 193-197. doi:10.1016/j.tsf.2014.11.040
Peer Reviewed verified by ORBi

Redinger, A., Sendler, J., Djemour, R., Weiss, T. P., Rey, G., Dale, P., & Siebentritt, S. (2015). Different Bandgaps in Cu2ZnSnSe4: A High Temperature Coevaporation Study. IEEE Journal of Photovoltaics, 5 (2), 641-648. doi:10.1109/JPHOTOV.2014.2377561
Peer reviewed

Djemour, R., Redinger, A., Mousel, M., Guetay, L., & Siebentritt, S. (2015). Multiple phases of Cu2ZnSnSe4 detected by room temperature photoluminescence (vol 116, 073509, 2014). JOURNAL OF APPLIED PHYSICS, 118 (8). doi:10.1063/1.4927730
Peer reviewed

Schwarz, T., Cojocaru-Mir edin, O., Choi, P., Mousel, M., Redinger, A., Siebentritt, S., & Raabe, D. (2015). Atom probe tomography study of internal interfaces in Cu2ZnSnSe4 thin-films. Journal of Applied Physics, 118, 095302 1-10. doi:10.1063/1.4929874
Peer Reviewed verified by ORBi

Demircio glu, O., Mousel, M., Redinger, A., Rey, G., Weiss, T., Siebentritt, S., Riedel, I., & Gütay, L. (2015). Detection of a MoSe2 secondary phase layer in CZTSe by spectroscopic ellipsometry. JOURNAL OF APPLIED PHYSICS, 118, 185302-1. doi:10.1063/1.4935258
Peer reviewed

Hönes, C., Hackenberg, J., Zweigart, S., Wachau, A., Hergert, F., & Siebentritt, S. (2015). A comparative study of the annealing behavior of Cu(In, Ga)(S, Se)2 based solar cells with an indium sulfide buffer layer, partly submitted to wet chemical treatments. Journal of Applied Physics, 117, 094503. doi:10.1063/1.4914080
Peer reviewed

Depredurand, V., Bertram, T., Thevenin, M., Valle, N., Audinot, J.-N., & Siebentritt, S. (2015). Alternative etchning for improved Cu-rich CuInSe2 solar Cells. Materials Research Society Symposia Proceedings, 1771. doi:10.1557/opl.2015.447
Peer reviewed

Rey, G., Redinger, A., Sendler, J., Weiss, T., Thevenin, M., Guennou, M., El Adib, B., & Siebentritt, S. (September 2014). The band gap of Cu2ZnSnSe4: Effect of order-disorder. Applied Physics Letters, 105, 112106 1-4. doi:10.1063/1.4740276
Peer reviewed

Siebentritt, S. (19 June 2014). Kesterites - a challenging material for solar cells [Paper presentation]. 2ieme rencontre francaise sur les Kssterites pour application photovoltaique, Grenoble, France.

Siebentritt, S. (May 2014). Kesterites - a challenging material for solar cells [Paper presentation]. EMRS Spring Meeting, Lille, France.

Depredurand, V., Tanaka, D., Aida, Y., Carlberg, N., Nicole, F., & Siebentritt, S. (January 2014). Current loss due to recombination in Cu-rich CuInSe2 solar cells. JOURNAL OF APPLIED PHYSICS, 115, 044503. doi:10.1063/1.4862181
Peer reviewed

Djemour, R., Redinger, A., Mousel, M., Gütay, L., & Siebentritt, S. (2014). Multiple phases of Cu2ZnSnSe4 detected by room temperature photoluminescence. Journal of Applied Physics, 116. doi:10.1063/1.4892101
Peer reviewed

Redinger, A., Groiss, H., Sendler, J., Djemour, R., Regesch, D., Gerthsen, D., & Siebentritt, S. (2014). Epitaxial Cu2ZnSnSe4 thin films and devices. Thin Solid Films. doi:10.1016/j.tsf.2014.11.040
Peer Reviewed verified by ORBi

Siebentritt, S., & Redinger, A. (2014). Loss mechanisms in kesterite. In wiley (Ed.), Copper Zinc Tin Sulphide-Based Thin Film Solar Cells. wiley.
Peer reviewed

Kraemmer, C., Lang, M., Redinger, A., Johannes, S., Gao, C., Kalt, H., Siebentritt, S., & Hetterich, M. (2014). Assessment of crystal quality and unit cell orientation in epitaxial Cu2ZnSnSe4 layers using polarized Raman scattering. Optics Express, 22 (23), 28240-28246. doi:10.1364/OE.22.028240
Peer Reviewed verified by ORBi

Redinger, A., Sendler, J., Djemour, R., Weiss, T., Rey, G., Dale, P., & Siebentritt, S. (2014). Different Bandgaps in Cu2ZnSnSe4 : a high temperature coevaporation study. IEEE Journal of Photovoltaics. doi:10.1109/JPHOTOV.2014.2377561
Peer Reviewed verified by ORBi

Weiss, T., Redinger, A., Regesch, D., Mousel, M., & Siebentritt, S. (2014). Direct Evaluation of Defect Distributions From Admittance Spectroscopy. IEEE JOURNAL OF PHOTOVOLTAICS, 4. doi:10.1109/JPHOTOV.2014.2358073
Peer reviewed

Luckas, J. M., Longeaud, C., Bertram, T., & Siebentritt, S. (2014). Metastable defect in CuInSe2 probed by modulated photo current experiments above 390K. APPLIED PHYSICS LETTERS, 104, 153905. doi:10.1063/1.4871666
Peer reviewed

Luckas, J. M., Longeaud, & Siebentritt, S. (2014). Modulated photocurrent experiments-comparison of different data treatments. JOURNAL OF APPLIED PHYSICS, 116, 103710. doi:10.1063/1.4894248
Peer reviewed

Colombara, D., Dale, P., Peter, L., Jonathan, S., & Siebentritt, S. (2014). CHAPTER 5: Thin-film Photovoltaics Based on Earth-abundant Materials. In A. J. Nozik, M. C. Beard, ... G. Conibeer (Eds.), Advanced Concepts in Photovoltaics (pp. 118-185). Royal Society of Chemistry.
Peer reviewed

Bertram, T., Depredurand, V., & Siebentritt, S. (2014). In-Se surface treatment of Cu-rich grown CuInSe2. Proceedings of the IEEE Photovoltaic Specialist Conference 2014. doi:10.1109/PVSC.2014.6924894
Peer reviewed

Berg, D., Arasimowicz, M., Gütay, L., Djemour, R., Siebentritt, S., Schorr, S., Fontané, X., Izquierdo-Roca, V., Pérez-Rodriguez, A., & Dale, P. (2014). Discrimination and determination of secondary phases from a Cu2ZnSnS4 phase using X-ray diffraction and Raman spectroscopy. Thin Solid Films, 569, 113-123. doi:10.1016/j.tsf.2014.08.028
Peer reviewed

Hönes, C., & Siebentritt, S. (2014). Annealing of wet treated Cu(In,Ga)(S,Se)2 solar cells with an indium sulfide buffer. Thin Solid Films. doi:10.1016/j.tsf.2014.10.056
Peer Reviewed verified by ORBi

Depredurand, V., Bertram, T., Regesch, D., Henx, B., & Siebentritt, S. (2014). The influence of Se pressure on the electronic properties of CuInSe2 grown under Cu-excess. Applied Physics Letters, 105, 172104. doi:10.1063/1.4900839
Peer reviewed

Meadows, H., Bathia, A., Depredurand, V., Guillot, J., Regesch, D., Malyeyev, A., Colombara, D., Scarpulla, M. A., Siebentritt, S., & Dale, P. (2014). Single Second Laser Annealed CuInSe2 Semiconductors from Electrodeposited Precursors as Absorber Layers for Solar Cells. Journal of Physical Chemistry. C, Nanomaterials and interfaces, 118 (3), 1451–1460. doi:10.1021/jp409804s
Peer Reviewed verified by ORBi

Fischer, J., Larsen, J. K., Guillot, J., Aida, Y., Eisenbarth, T., Regesch, D., Depredurand, V., Fevre, N., Siebentritt, S., & Dale, P. (2014). Composition dependent characterization of copper indium diselenide thin film solar cells synthesized from electrodeposited binary selenide precursor stacks. Solar Energy Materials and Solar Cells, 126, 88-95. doi:10.1016/j.solmat.2014.03.045
Peer reviewed

Krämmer, C., Lang Mario, Redinger, A., Sachs, J., Chao Gao, Kalt, H., Siebentritt, S., & Hetterich, M. (2014). Assessment of crystal quality and unit cell orientation in epitaxial Cu2ZnSnSe4 layers using polarized Raman scattering. Optics Express, 22. doi:10.1364/OE.22.028240
Peer Reviewed verified by ORBi

Berg, D., Crossay, A., Guillot, J., Izquierdo-Roca, V., Pérez-Rodriguez, A., Shafaat, A., Deligianni, H., Siebentritt, S., & Dale, P. (2014). Simplified formation process for Cu2ZnSnS4-based solar cells. Thin Solid Films, 573, 148-158. doi:10.1016/J.TSF.2014.11.012
Peer reviewed

Redinger, A., Mousel, M., & Siebentritt, S. (28 October 2013). Method for manufacturing a semiconductor thin film.

Berg, D., Redinger, A., Dale, P., & Siebentritt, S. (17 October 2013). Semiconductor material and method of production.

Siebentritt, S. (July 2013). Defects in chalcopyrites [Paper presentation]. 27th International Conference on Defects in Semiconductors, Bologne, Italy.

Redinger, A., Djemour, R., Weiss, T., Sendler, J., Siebentritt, S., & Gütay, L. (June 2013). Molecular beam epitaxy of Cu2ZnSnSe4 thin films grown on GaAs(001) [Paper presentation]. 39th IEEE conference, Tampa, United States.

Siebentritt, S. (March 2013). Kesterites - a challenging material for solar cells [Paper presentation]. 9th Workshop on the Future Direction of Photovoltaics, Tokyo, Japan.

Siebentritt, S. (March 2013). Kesterites - a challenging material for solar cells [Paper presentation]. Workshop "Accelerating the Development of Earth Abundant Thin Film Photovoltaics, Pasadena, United States.

Siebentritt, S. (2013). Why are kesterite solar cells not 20% efficient? Thin Solid Films. doi:10.1016/j.tsf.2012.12.089
Peer reviewed

Steichen, M., Djemour, R., Gütay, L., Guillot, J., Siebentritt, S., & Dale, P. (2013). Direct Synthesis of Single-Phase p‑Type SnS by Electrodeposition from a Dicyanamide Ionic Liquid at High Temperature for Thin Film Solar Cells. The Journal of Physical Chemistry. doi:10.1021/jp311552g
Peer reviewed

Siebentritt, S., Al-jassim, M., Heske, C., Li, T., Mastro, M., Nan, C., Niki, S., Shafarman, W., & Wang, Q. (Eds.). (2013). Coumpound Semiconductors: Thin-Film Photovoltaics, LEDs, and Smart Energy Controls. Materials Research society.

Djemour, R., Redinger, A., Mousel, M., Gütay, L., Fontané, X., Izquierdo-Roca, V., Pérez-Rodríguez, A., & Siebentritt, S. (2013). The three A symmetry Raman modes of kesterite in Cu2ZnSnSe4. Optics Express. doi:10.1364/OE.21.00A695
Peer Reviewed verified by ORBi

Schwarz, Cojocaru-Mirédin, O., Choi, P., Mousel, M., Redinger, A., Siebentritt, S., & Raabe, D. (2013). Atom probe study of Cu2ZnSnSe4 thin-films prepared by co-evaporation and post-deposition annealing. Applied Physics Letters, 102. doi:10.1063/1.4788815
Peer reviewed

Redinger, A., Mousel, M., Hilaire Wolter, M., Valle, N., & Siebentritt, S. (2013). Influence of S/Se ratio on series resistance and on dominant recombination pathway in Cu2ZnSn(SSe)4 thin film solar cells. Thin Solid Films, 535, 291-295. doi:10.1016/j.tsf.2012.11.111
Peer Reviewed verified by ORBi

Djemour, R., Mousel, M., Redinger, A., Gütay, L., Crossay, A., Colombara, D., Dale, P., & Siebentritt, S. (2013). Detecting ZnSe secondary phase in Cu2ZnSnSe4 by room temperature photoluminescence. Applied Physics Letters, 102. doi:10.1063/1.4808384
Peer reviewed

Redinger, A., Mousel, M., & Siebentritt, S. (2013). Method for manufacturing a semiconductor thin film.

Mousel, M., Redinger, A., Djemour, R., Arasimowicz, M., Valle, N., Dale, P., & Siebentritt, S. (2013). HCl and Br2-MeOH etching of Cu2ZnSnSe4 polycrystalline absorbers. Thin Solid Films, 535, 83-87. doi:10.1016/j.tsf.2012.12.095
Peer Reviewed verified by ORBi

Weiss, T., Redinger, A., Luckas, J. M., Mousel, M., & Siebentritt, S. (2013). Admittance spectroscopy in kesterite solar cells: Defect signal or circuit response. Applied Physics Letters. doi:10.1063/1.4807585
Peer reviewed

Weiss, T., Redinger, A., Luckas, J. M., Mousel, M., & Siebentritt, S. (2013). Role of high series resistance in admittance spectroscopy of kesterite solar cells [Paper presentation]. 39th IEEE PV Specialist Conference, Tampa, United States.

Dale, P., Malaquias, J. C. B., Meadows, H., Steichen, M., Depredurand, V., Aida, Y., Siebentritt, S., Bhatia, A., & Scarpulla, M. (2013). Three ways to grow faster and better CIGSe [Paper presentation]. The 4th international CIGS Workshop, Berlin, Germany.

Siebentritt, S., Gütay, L., Regesch, D., Aida, Y., & Depredurand, V. (2013). Why do we make Cu(In,Ga)Se2 solar cells non-stoichiometric? Solar Energy Materials and Solar Cells. doi:10.1016/j.solmat.2013.04.014
Peer Reviewed verified by ORBi

Redinger, A., Mousel, M., Djemour, R., Gütay, L., Valle, N., & Siebentritt, S. (2013). Cu2ZnSnSe4 thin film solar cells produced via coevaporation and annealing including a SnSe2 capping layer. Progress in Photovoltaics, 22 (1), 51-57. doi:10.1002/pip.2324
Peer Reviewed verified by ORBi

Mousel, M., Schwarz, T., Djemour, R., Weiss, T., Sendler, J., Redinger, A., Cojocaru-Miredin, O., Siebentritt, S., Malaquias, J. C. B., & Pyuk-Pa, C. (2013). Cu-Rich Precursors Improve Kesterite Solar Cells. Advanced Energy Materials, 4, 13000543 (1 to 6. doi:10.1002/aenm.201300543
Peer Reviewed verified by ORBi

Depredurand, V., Bertram, T., & Siebentritt, S. (2013). Influence of the Se environment on Cu-rich CIS devices. Physica B. Condensed Matter, B 439, 101-104. doi:10.1016/J.PHYSB.2013.10.055
Peer reviewed

Dale, P., & Siebentritt, S. (07 June 2012). Electrical and opto-electrical characterization of large area semiconductor devices.

Siebentritt, S. (May 2012). Kesterite solar cells - a review [Paper presentation]. EMRS Spring Meeting, Strasbourg, France.

Gutay, L., Regesch, D., Larsen, J. K., Aida, Y., Depredurand, V., Redinger, A., Caneva, S., Schorr, S., Stephan, C., Vidal, J., Botti, S., & Siebentritt, S. (2012). Feedback mechanism for the stability of the band gap of CuInSe2. Physical Review, 86, 045216-045216. doi:10.1103/PhysRevB.86.045216
Peer reviewed

Gütay, L., Redinger, A., Djemour, R., & Siebentritt, S. (2012). Lone conduction band in Cu2ZnSnSe4. Applied Physics Letters, 100, 102113 - 102113. doi:10.1063/1.3691945
Peer reviewed

Berg, D. M., Djemour, R., Gütay, L., Zoppi, G., Siebentritt, S., & Dale, P. (2012). Thin film solar cells based on the ternary compound Cu2SnS3. Thin Solid Films, 520, 6291-6294. doi:10.1016/j.tsf.2012.05.085
Peer reviewed

Berg, D. M., Djemour, R., Gütay, L., Siebentritt, S., & Dale, P. (2012). Raman analysis of monoclinic Cu2SnS3 thin films. Applied Physics Letters, 100, 192103-192103. doi:10.1063/1.4712623
Peer reviewed

Regesch, D., Gütay, L., Larsen, J. K., Deprédurand, V., Tanaka, D., Yasuhiro, A., & Siebentritt, S. (2012). Degradation and passivation of CuInSe2. Applied Physics Letters, 101, 112108-112108. doi:10.1063/1.4752165
Peer reviewed

Siebentritt, S., & Schorr, S. (2012). Kesterites - a challenging material for solar cells. Progress in Photovoltaics, 20, 512-519. doi:10.1002/pip.2156
Peer reviewed

Siebentritt, S. (March 2011). What limits the efficiency of chalcopyrite solar cells [Paper presentation]. German Physical Society, Dresden, Germany.

Larsen, J. K., Gütay, L., & Siebentritt, S. (2011). Influence of secondary phase CuxSe on the optoelectronic quality of chalcopyrite thin films. Applied Physics Letters, 98 (201910), 2019101-2019103. doi:10.1063/1.3592735
Peer reviewed

Fontané, X., Calvo-Barrio, L., Izquierdo-Roca, V., Saucedo, E., Pérez-Rodriguez, A., Morante, J. R., Berg, D. M., & Siebentritt, S. (2011). In-depth resolved Raman scattering analysis for the identification of secondary phases-characterization of Cu2ZnSnS4 layers for solar cell applications. Applied Physics Letters, 98 (181905), 1819051-1819053. doi:10.1063/1.3587614
Peer reviewed

Steichen, M., Larsen, J. K., Gütay, L., Siebentritt, S., & Dale, P. (2011). Preparation of CuGaSe2 absorber layers for thin film solar cells by annealing of efficiently electrodeposited Cu-Ga precursor layers from ionic liquids. Thin Solid Films, 519, 7254-7258. doi:10.1016/j.tsf.2011.01.135
Peer Reviewed verified by ORBi

Redinger, A., Berg, D. M., Dale, P., Djemour, R., Gütay, L., Eisenbarth, T., Valle, N., & Siebentritt, S. (2011). Route Toward High-Efficiency Single-Phase Cu2ZnSn(S,Se)4 Thin-Film Solar Cells: Model Experiments and Literature Review. IEEE Journal of Photovoltaics. doi:10.1109/JPHOTOV.2011.2168811
Peer reviewed

Redinger, A., Berg, M. D., Dale, P., & Siebentritt, S. (2011). The Consequences of Kesterite Equilibria for Efficient Solar Cells. Journal of the American Chemical Society, 133, 3320-3323. doi:10.1021/ja111713g
Peer Reviewed verified by ORBi

Redinger, A., Hönes, K., Fontané, X., Izquierdo-Roca, V., Saucedo, E., Valle, N., Pérez-Rodriguez, A., & Siebentritt, S. (2011). Detection of a ZnSe secondary phase in coevaporated Cu2ZnSnSe4 thin films. Applied Physics Letters, 98 (101907), 1019071-1019073. doi:10.1063/1.3558706
Peer reviewed

Igalson, M., Urbaniak, A., Krystopa, A., Aida, Y., Caballero, R., Edoff, M., & Siebentritt, S. (2011). Sub-bandgap photoconductivity and photocapacitance in CIGS thin films and devices. Thin Solid Films, 519, 7489-7492. doi:10.1016/j.tsf.2011.01.179
Peer Reviewed verified by ORBi

Gütay, L., Larsen, J. K., Guillot, J., Müller, M., Bertram, F., Christen, J., & Siebentritt, S. (2011). MOVPE of CuGaSe2 on GaAs in the presence of a CuxSe secondary phase. Journal of Crystal Growth, (315), 82-86. doi:10.1016/j.jcrysgro.2010.09.035
Peer Reviewed verified by ORBi

Krysztopa, A., Igalson, M., Zabierowski, P., Larsen, J. K., Aida, Y., Siebentritt, S., & Gütay, L. (2011). Defects levels in CuGaSe2 by modulated photocurrent spectroscopy. Thin Solid Films, 519, 7308-7311. doi:10.1016/j.tsf.2010.12.106
Peer Reviewed verified by ORBi

Gütay, L., Regesch, D., Larsen, J. K., Aida, Y., Depredurand, V., & Siebentritt, S. (2011). Influence of copper excess on the absorber quality of CulnSe2. Applied Physics Letters, 99 (151912), 1519121-15191123. doi:10.1063/1.3648111
Peer reviewed

Larsen, J. K., Gütay, L., Aida, Y., & Siebentritt, S. (2011). Spatial variations of optoelectronic properties in single crystalline CuGaSe2 thin films studied by photoluminescence. Thin Solid Films, 519, 7332-7336. doi:10.1016/j.tsf.2010.12.213
Peer Reviewed verified by ORBi

Siebentritt, S. (2011). What limits the efficiency of chalcopyrite solar cells? Solar Energy Materials and Solar Cells, 95, 1471-1476. doi:10.1016/j.solmat.2010.12.014
Peer Reviewed verified by ORBi

Steichen, M., Thomassey, M., Siebentritt, S., & Dale, P. (2011). Controlled electrodeposition of Cu-Ga from a deep eutectic solvent for low cost fabrication of CuGaSe2 thin film solar cells. Physical Chemistry Chemical Physics, 13 (10), 4292-4302. doi:10.1039/C0CP01408G
Peer reviewed

Dale, P., & Siebentritt, S. (04 November 2010). Electrical and Opto-Electrical characterisation of Large-Area Semiconductor Devices.

Siebentritt, S. (September 2010). What limits the efficiency of CIGS solar cells? And what can theory do to shift the limits? [Paper presentation]. psi_k conference, Berlin, Germany.

Hafemeister, M., Siebentritt, S., Albert, J., Lux-Steiner, M. C. H., & Sadewasser, S. (2010). Large Neutral Barrier at Grain Boundaries in Chalcopyrite Thin Films. Physical Review Letters, 104 (196602), 1 - 4. doi:10.1103/PhysRevLett.104.196602
Peer Reviewed verified by ORBi

Redinger, A., & Siebentritt, S. (2010). Coevaporation of Cu2ZnSnSe4 thin films. Applied Physics Letters, 97 (9), 092111-1. doi:10.1063/1.3483760
Peer reviewed

Shafarman, W. N., Siebentritt, S., & Stolt, L. (2010). Cu(InGa)Se2 Solar Cells. In A. Luque & S. Hegedus (Eds.), Handbook of Photovoltaic Science and Engineering, 2nd Edition. Wiley.
Peer reviewed

Siebentritt, S., Igalson, M., Persson, C., & Lany, S. (2010). The electronic structure of chalcopyrites - bands, point defects and grain boundaries. Progress in Photovoltaics, 18 (6), 390-410. doi:10.1002/pip.936
Peer Reviewed verified by ORBi

Kurihara, M., Berg, D., Fischer, J., Siebentritt, S., & Dale, P. (2009). Kesterite absorber layer uniformity from electrodeposited pre-cursors. Physica Status Solidi A. Applied Research, 6 (5), 1241-1244.
Peer Reviewed verified by ORBi

Rau, U., Taretto, K., & Siebentritt, S. (2009). Grain boundaries in Cu (In, Ga) (Se, S)2 thin-film solar cells. Applied Physics A : Materials Science & Processing, 96 (1), 221-234. doi:10.1007/s00339-008-4978-0
Peer reviewed

Grossberg, M., Krustok, J., Siebentritt, S., & Albert, J. (2009). Compositional dependence of Raman scattering and photoluminescence emission in Cu-Ga-Se films grown by MOCVD. Physica B. Condensed Matter. doi:10.1016/j.physb.2009.03.027
Peer Reviewed verified by ORBi

Hönes, K., Zscherpel, E., Scragg, J. J., & Siebentritt, S. (2009). Shallow defects in Cu2ZnSnS4. Physica B. Condensed Matter, 404 (23-24), 4949-4952. doi:10.1016/j.physb.2009.08.206
Peer Reviewed verified by ORBi

Siebentritt, S. (October 2008). Thin Film Preparation of Chalcopyrites for Solar Cells and Fundamental Material Physics [Paper presentation]. AVS 55th International Symposium, Boston, United States.

Siebentritt, S. (June 2008). Point defects and grain boundaries in chalcopyrites [Paper presentation]. workshop "Critical Material issues in photovoltaics", Lausanne, Switzerland.

Siebentritt, S., & Rissom, T. (2008). Metastable behavior of donors in CuGaSe2 under illumination. Applied Physics Letters, 92, 062107-1. doi:10.1063/1.2857473
Peer reviewed

Hönes, K., Eickenberg, M., Siebentritt, S., & Persson, C. (2008). Polarization of defect related optical transitions in chalcopyrites. Applied Physics Letters, 93 (9), 0003-6951. doi:10.1063/1.2974085
Peer reviewed

Hall, A. J., Hebert, D., Lei, C., Rockett, A., & Siebentritt, S. (2008). Epitaxial growth of very large grain bicrystalline Cu(In, Ga)Se2 thin films by a hybrid sputtering method. Applied Physics Letters, 103 (8), 083540-1. doi:10.1063/1.2907446
Peer reviewed

Cwil, M., Igalson, M., Zabierowski, P., & Siebentritt, S. (2008). Charge and doping distributions by capacitance profiling in Cu(In,Ga)Se2 solar cells. Journal of Applied Physics, 103, 063701-063701-9. doi:10.1063/1.2884708
Peer reviewed

Grossberg, M., Krustok, J., Bodnar, I., Siebentritt, S., & Albert, J. (2008). Photoluminescence and Raman spectra of the ordered vacancy compound CuGa5Se8. Physica B. Condensed Matter, 184-189. doi:10.1016/j.physb.2007.08.098
Peer Reviewed verified by ORBi

Caballero, R., Kaufmann, C. A., Cwil, M., Kelch, C., Schweigert, D., Unold, T., Rusu, M., Schock, H. W., & Siebentritt, S. (2007). The role of the CdS buffer layer in CuGaSe2-based solar cells. Journal of Physics: Condensed Matter, 19 (35), 356222-32. doi:10.1088/0953-8984/19/35/356222
Peer Reviewed verified by ORBi

Siebentritt, S. (2007). Polarized Photoluminescence of Defects in CuGaSe2 [Paper presentation]. MRS spring meeting, San Francisco, United States.

Contact ORBilu