Light-Induced Passivation in Triple Cation Mixed Halide Perovskites: Interplay between Transport Properties and Surface Chemistry
| Autor: | Adrien Bercegol, Jean Rousset, Armelle Yaiche, L. Lombez, Muriel Bouttemy, Solène Béchu, Hamza Shafique, Davina Messou, Stefania Cacovich, Philip Schulz |
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| Přispěvatelé: | Institut Photovoltaïque d’Ile-de-France (UMR) (IPVF), École polytechnique (X)-Ecole Nationale Supérieure de Chimie de Paris - Chimie ParisTech-PSL (ENSCP), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-TOTAL FINA ELF-EDF (EDF)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS)-Institut Photovoltaïque d’Ile-de-France (ITE) (IPVF)-Air Liquide [Siège Social], Institut Photovoltaïque d’Ile-de-France (ITE) (IPVF), Institut de Recherche et Développement sur l'Energie Photovoltaïque (IRDEP), EDF R&D (EDF R&D), EDF (EDF)-EDF (EDF)-Centre National de la Recherche Scientifique (CNRS)-Ecole Nationale Supérieure de Chimie de Paris - Chimie ParisTech-PSL (ENSCP), Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut de Chimie du CNRS (INC), Institut Lavoisier de Versailles (ILV), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut de Chimie du CNRS (INC)-Centre National de la Recherche Scientifique (CNRS), N 845612 ANRIEED-002-01 Agence Nationale de la Recherche, ANR Horizon 2020 Framework Programme, H2020, This project has been supported by the French Government in the frame of the program of investment for the future (Program d’Investissement d’Avenir - ANRIEED-002-01). S.C. would like to thank funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowoska-Curie Grant Agreement N 845612. P.S. would like to acknowledge the French Agence Nationale de la Recherche for funding under contract no. ANR-17-MPGA-0012. |
| Rok vydání: | 2020 |
| Předmět: |
Chemical substance
Materials science Passivation 020209 energy 020208 electrical & electronic engineering Energy conversion efficiency Halide luminescence imaging [CHIM.MATE]Chemical Sciences/Material chemistry 02 engineering and technology 7. Clean energy X-ray photoelectron spectroscopy Chemical physics [PHYS.COND.CM-GEN]Physics [physics]/Condensed Matter [cond-mat]/Other [cond-mat.other] halide perovskites 0202 electrical engineering electronic engineering information engineering Oxygen penetration Light induced General Materials Science passivation X-ray photoemission spectroscopy Science technology and society ComputingMilieux_MISCELLANEOUS degradation |
| Zdroj: | ACS Applied Materials & Interfaces ACS Applied Materials & Interfaces, Washington, D.C. : American Chemical Society, 2020, 12 (31), pp.34784-34794. ⟨10.1021/acsami.0c06844⟩ |
| ISSN: | 1944-8244 1944-8252 |
| DOI: | 10.1021/acsami.0c06844 |
| Popis: | International audience; Mixed halide perovskites have attracted a strong interest in the photovoltaic community as a result of their high power conversion efficiency and the solid opportunity to realize low-cost and industry-scalable technology. Light soaking represents one of the most promising approaches to reduce non-radiative recombination processes and thus to optimize device performances. Here, we investigate the effects of 1 sun illumination on state-of-The-Art triple cation halide perovskite thin films Cs0.05(MA0.14, FA0.86)0.95 Pb (I0.84, Br0.16)3 by a combined optical and chemical characterization. Competitive passivation and degradation effects on perovskite transport properties have been analyzed by spectrally and time-resolved quantitative imaging luminescence analysis and by X-ray photoemission spectroscopy (XPS). We notice a clear improvement of the optoelectronic properties of the material, with a increase of the quasi fermi level splitting and a corresponding decrease of methylammonium MA+ for short (up to 1 h) light soaking time. However, after 5 h of light soaking, phase segregation and in-depth oxygen penetration lead to a decrease of the charge mobility. Copyright |
| Databáze: | OpenAIRE |
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