  | 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 |
 | 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 |
 | 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 |
 | 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 |
 | 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 |
 | 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 |
 | Spindler, C. (2018). Optical Detection of Deep Defects in Cu(In,Ga)Se2 [Doctoral thesis, Unilu - University of Luxembourg]. ORBilu-University of Luxembourg. https://orbilu.uni.lu/handle/10993/37016 |
 | Robert, E., Gunder, R., De Wild, J., Spindler, C., Babbe, F., Elanzeery, H., El Adib, B., Treharne, R., Miranda, H., Wirtz, L., Schorr, S., & Dale, P. (April 2018). Synthesis, theoretical and experimental characterisation of thin film Cu2Sn1-xGexS3 ternary alloys (x = 0 to 1): Homogeneous intermixing of Sn and Ge. Acta Materialia, 151. doi:10.1016/j.actamat.2018.03.043 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 |
 | Spindler, C. (2018). Defects in Cu(In,Ga)Se2: Photoluminescence vs Theory [Poster presentation]. IW-CIGSTech 9, Stuttgart, Germany. |
 | 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 |
 | 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 |
 | Spindler, C. (2017). Can deep defects limit the open circuit voltage in Cu(In,Ga)Se2? [Poster presentation]. MRS Spring Meeting, Phoenix, United States - Arizona. |
 | Spindler, C. (2017). Luminescence detection of the 0.8 eV defect [Poster presentation]. MRS Spring Meeting, Phoenix, United States - Arizona. |
 | 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 |
 | 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 |
 | Spindler, C. (2016). Excitation dependence of photoluminescence transitions [Poster presentation]. Gordon Research Conference - Defects in Semiconductors, New London, United States - New Hampshire. |
 | Spindler, C. (2016). Extraction of absorption coefficients from photoluminescence [Poster presentation]. Gordon Research Seminar - Defects in Semiconductors, New London, United States - New Hampshire. |
 | 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 |
Maiberg, M., Spindler, C., Jarzembowski, E., & Scheer, R. (11 October 2014). Electrical characterization of Cu(In,Ga)Se2-solar cells by voltage dependent time-resolved photoluminescence. Thin Solid Films, 582, 379-382. doi:10.1016/j.tsf.2014.09.022 Peer Reviewed verified by ORBi |