Reference : Tuning halide perovskite energy levels
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
Physics and Materials Science
http://hdl.handle.net/10993/47897
Tuning halide perovskite energy levels
English
Canil, Laura [Young Investigator Group Active Materials and Interfaces for Stable Perovskite Solar Cells, Helmholtz-Zentrum Berlin für Materialen und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany]
Cramer, Tobias [Department of Physics and Astronomy, University of Bologna, Viale Berti Pichat 6/2, 40127 Bologna, Italy]
Fraboni, Beatrice [Department of Physics and Astronomy, University of Bologna, Viale Berti Pichat 6/2, 40127 Bologna, Italy]
Ricciarelli, Damiano [Computational Laboratory for Hybrid/Organic Photovoltaics (CLHYO), Istituto CNR di Scienze e Tecnologie Chimiche ‘‘Giulio Natta’’ (CNR-SCITEC), Via Elce di Sotto 8, 06123 Perugia, Italy > > > ; Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy]
Meggiolaro, Daniele [Computational Laboratory for Hybrid/Organic Photovoltaics (CLHYO), Istituto CNR di Scienze e Tecnologie Chimiche ‘‘Giulio Natta’’ (CNR-SCITEC), Via Elce di Sotto 8, 06123 Perugia, Italy]
Singh, Ajay mailto [Department of Electrical and Computer Engineering, Technical University of Munich, 80333 Munich, Germany]
Liu, Maning [Faculty of Engineering and Natural Sciences, Tampere University, P.O. Box 541, FI-33014 Tampere, Finland]
Rusu, Marin [Department Structure and Dynamics of Energy Materials, Helmholtz-Zentrum Berlin für Materialen und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany]
Wolff, Christian M. [Institute of Physics and Astronomy, Universität Potsdam, Karl-Liebknecht-Str. 24-25, 14776 Potsdam, Germany]
Phung, Nga [Young Investigator Group Active Materials and Interfaces for Stable Perovskite Solar Cells, Helmholtz-Zentrum Berlin für Materialen und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany]
Wang, Qiong [Young Investigator Group Active Materials and Interfaces for Stable Perovskite Solar Cells, Helmholtz-Zentrum Berlin für Materialen und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany]
Neher, Dieter [Institute of Physics and Astronomy, Universität Potsdam, Karl-Liebknecht-Str. 24-25, 14776 Potsdam, Germany]
Unold, Thomas [Department Structure and Dynamics of Energy Materials, Helmholtz-Zentrum Berlin für Materialen und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany]
Vivo, Paola [Faculty of Engineering and Natural Sciences, Tampere University, P.O. Box 541, FI-33014 Tampere, Finland]
Gagliardi, Alessio [Department of Electrical and Computer Engineering, Technical University of Munich, 80333 Munich, Germany]
De Angelis, Filippo [Computational Laboratory for Hybrid/Organic Photovoltaics (CLHYO), Istituto CNR di Scienze e Tecnologie Chimiche ‘‘Giulio Natta’’ (CNR-SCITEC), Via Elce di Sotto 8, 06123 Perugia, Italy > > > ; Department of Chemistry, Biology and Biotechnology, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy]
Abate, Antonio [Young Investigator Group Active Materials and Interfaces for Stable Perovskite Solar Cells, Helmholtz-Zentrum Berlin für Materialen und Energie, Hahn-Meitner-Platz 1, 14109 Berlin, Germany > > > ; Department of Chemical, Materials and Production Engineering, University of Naples, Federico II, Piazzale Tecchio 80, 80125 Fuorigrotta, Naples, Italy]
15-Dec-2020
Energy and Environmental Science
Royal Society of Chemistry
Yes (verified by ORBilu)
International
1754-5692
1754-5706
United Kingdom
[en] Solar energy is playing a significant role in the development of a world powered by clean energy sources. In this context, halide perovskite solar cells (PSCs) are considered one of the most promising research lines thanks to their high efficiencies and flexibility, combined with an easy and cheap fabrication process. The possibility of combining different materials and compositions is an excellent advantage of PSCs. However, still, a big limit is posed by the need for a proper energy level alignment between the layers of materials comprising devices. Therefore, it is of utmost interest to develop methods allowing to tune the energy levels of the different materials. In semiconductors physics, a common technique to achieve this purpose is to functionalize the surface of the materials with dipolar molecules. Nevertheless, this has been rarely applied to perovskites because of the highly rough surface of the films. In this study, we show that it is possible to use this technique in hybrid organic–inorganic perovskite semiconductors systematically and tune the direction and magnitude of the shift by controlling the deposition process. These findings offer a toolbox to simplify the application of halide perovskites in optoelectronic devices.
Researchers ; Professionals ; Students ; General public ; Others
http://hdl.handle.net/10993/47897
10.1039/d0ee02216k
https://pubs.rsc.org/en/content/articlelanding/2021/ee/d0ee02216k

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