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Structural Modification Strategies, Interfacial Charge-Carrier Dynamics, and Solar Energy Conversion Applications of Organic – Inorganic Halide Perovskite Photocatalysts



Over the past few decades, organic – inorganic halide perovskites (OIHPs) as novel photocatalyst materials have attracted intensive attention for an impressive variety of photocatalytic applications due to their excellent photophysical (chemical) properties. Regarding practical application and future commercialization, the air – water stability and photocatalytic performance of OIHPs need to be further improved.

Accordingly, studying modification strategies and interfacial interaction mechanisms is crucial. In this review, the current progress in the development and photocatalytic fundamentals of OIHPs is summarized. Furthermore, the structural modification strategies of OIHPs, including dimensionality control, heterojunction design, encapsulation techniques, and so on for the enhancement of charge-carrier transfer and the enlargement of long-term stability, are elucidated.

Subsequently, the interfacial mechanisms and charge-carrier dynamics of OIHPs during the photocatalytic process are systematically specified and classified via diverse photophysical and electrochemical characterization methods, such as time-resolved photoluminescence measurements, ultrafast transient absorption spectroscopy, electrochemical impedance spectroscopy measurements, transient photocurrent densities, and so forth.

Eventually, various photocatalytic applications of OIHPs, including hydrogen evolution, CO2 reduction, pollutant degradation, and photocatalytic conversion of organic matter.

by Jianpei Feng, Chun Hong Mak, Li Yu, Bin Han, Hsin-Hui Shen, Shella Permatasari Santoso, Mingjian Yuan, Fang-Fang Li, Haisheng Song, Juan Carlos Colmenares, Hsien-Yi Hsu. Small Methods Vol. 7 No. 6 June 2023 (2300429).

DOI: 10.1002/smtd.202300429

First published: 28 June 2023

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