Photochromic Control in Hybrid Perovskite Photovoltaics | Zendy

Luo Weifan | Zendy; Castán José María Andrés | Zendy; Mirani Diego | Zendy; Riquelme Antonio J. | Zendy; Sachan Amit Kumar | Zendy; Kurman Olzhas | Zendy; Kim SunJu | Zendy; Faini Fabiola | Zendy; Zimmermann Paul | Zendy; Hinderhofer Alexander | Zendy; Patel Yash | Zendy; Frei Aaron T. | Zendy; Moser JacquesE. | Zendy; Ramirez Daniel | Zendy; Schreiber Frank | Zendy; Maldivi Pascale | Zendy; Seo JiYoun | Zendy; Tress Wolfgang | Zendy; Grancini Giulia | Zendy; Demadrille Renaud | Zendy; Milić Jovana V. | Zendy

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Photochromic Control in Hybrid Perovskite Photovoltaics

Author(s) -

Luo Weifan,

Castán José María Andrés,

Mirani Diego,

Riquelme Antonio J.,

Sachan Amit Kumar,

Kurman Olzhas,

Kim SunJu,

Faini Fabiola,

Zimmermann Paul,

Hinderhofer Alexander,

Patel Yash,

Frei Aaron T.,

Moser JacquesE.,

Ramirez Daniel,

Schreiber Frank,

Maldivi Pascale,

Seo JiYoun,

Tress Wolfgang,

Grancini Giulia,

Demadrille Renaud,

Milić Jovana V.

Publication year - 2025

Publication title -

advanced materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 10.707

H-Index - 527

eISSN - 1521-4095

pISSN - 0935-9648

DOI - 10.1002/adma.202420143

Subject(s) - perovskite (structure) , photochromism , photovoltaics , materials science , photovoltaic system , optoelectronics , indoline , kelvin probe force microscope , biasing , nanotechnology , voltage , chemical engineering , chemistry , atomic force microscopy , electrical engineering , organic chemistry , engineering

Abstract The application of perovskite photovoltaics is hampered by issues related to the operational stability upon exposure to external stimuli, such as voltage bias and light. The dynamic control of the properties of perovskite materials in response to light could ensure the durability of perovskite solar cells, which is especially critical at the interface with charge‐extraction layers. We have applied a functionalized photochromic material based on spiro‐indoline naphthoxazine at the interface with hole‐transport layers in the corresponding perovskite solar cells with the aim of stabilizing them in response to voltage bias and light. We demonstrate photoinduced transformation by a combination of techniques, including transient absorption spectroscopy and Kelvin probe force microscopy. As a result, the application of the photochromic derivative offers improvements in photovoltaic performance and operational stability, highlighting the potential of dynamic photochromic strategies in perovskite photovoltaics.

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