期刊
NANOSCALE
卷 13, 期 23, 页码 10281-10304出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0nr07716j
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资金
- National Natural Science Foundation of China [21676188]
- Key Research and Development Project of Tianjin [19ZXNCGX00020]
- National Science Foundation for Young Scientists of China [61804106]
- Key Research and Development Program of Hebei Province [20311401D]
Metal halide perovskites (MHPs) have emerged as promising semiconductor photocatalysts due to their high extinction coefficients, optimal band gaps, high photoluminescence quantum yields, and long electron-hole diffusion lengths. Despite their unstable ion-bonded crystal structures, there is growing interest in their potential applications in photocatalytic processes such as water splitting, carbon dioxide reduction, and organic conversion.
Semiconductor photocatalysts are widely used in environmental remediation and energy conversion processes that affect social development. These processes involve, for example, hydrogen production from water splitting, carbon dioxide reduction, pollutant degradation, and the conversion of raw organic chemical materials into high-value-added chemicals. Metal halide perovskites (MHPs) have become a new class of promising cheap and easy to manufacture candidate materials for use in photocatalytic semiconductors due to their advantages of high extinction coefficients, optimal band gaps, high photoluminescence quantum yields, and long electron-hole diffusion lengths. However, their unstable ion-bonded crystal structures (very low theoretical decomposition energy barriers) limit their widespread application. In this review, we introduce the physical properties of MHP materials suitable for photocatalysis, and MHP-based photocatalytic particle suspension systems, photoelectrode thin film systems, and photovoltaic-photo(electro)chemical systems. Then, numerous studies realizing efficient and stable photocatalytic water splitting, carbon dioxide reduction, organic conversion, and other reactions involving MHP materials were highlighted. In addition, we conducted rigorous analysis of the potential problems that could hinder progress in this new scientific research field, such as Pb element toxicity and material instability. Finally, we outline the potential opportunities and directions for photocatalysis research based on MHPs.
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