Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 61, Issue 24, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202203261
Keywords
Heterojunctions; Metal Halide Perovskites; Photocatalysts; Solar Cells; Solar Energy Conversion
Categories
Funding
- Research Foundation-Flanders (FWO) [G098319N, 1280021N, 12Y7221N, 1242922N, VS052320N]
- KU Leuven Research Fund [C14/19/079, iBOF-21-085 PERSIST]
- KU Leuven Industrial Research Fund [C3/19/046]
- Flemish government [Meth/15/04]
- Marie Skodowska-Curie grant [891276]
- Marie Curie Actions (MSCA) [891276] Funding Source: Marie Curie Actions (MSCA)
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Metal halide perovskites (MHPs) have fascinating photophysical properties and a strong potential to utilize solar energy, but their effectiveness as single photocatalysts is relatively poor. The introduction of a second component to form heterojunctions is an established method to enhance photoactivity. This review systematically discusses recent developments in MHP-based heterojunction photocatalysis, evaluates techniques for identifying active heterojunctions, and outlines ongoing challenges and future directions for promising photocatalysts based on MHP heterojunctions.
With fascinating photophysical properties and a strong potential to utilize solar energy, metal halide perovskites (MHPs) have become a prominent feature within photocatalysis research. However, the effectiveness of single MHP photocatalysts is relatively poor. The introduction of a second component to form a heterojunction represents a well-established route to accelerate carrier migration and boost reaction rates, thus increasing the photoactivity. Recently, there have been several scientific advances related to the design of MHP-based heterojunction photocatalysts, including Schottky, type II, and Z-scheme heterojunctions. In this Review, we systematically discuss and critically appraise recent developments in MHP-based heterojunction photocatalysis. In addition, the techniques for identifying the type of active heterojunctions are evaluated and we conclude by briefly outlining the ongoing challenges and future directions for promising photocatalysts based on MHP heterojunctions.
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