期刊
JOURNAL OF ENERGY CHEMISTRY
卷 83, 期 -, 页码 341-362出版社
ELSEVIER
DOI: 10.1016/j.intimp.2023.110355
关键词
Au nanostructures; Modification strategies; Semiconductor; Photocatalysis; Solar -to -fuel conversion
This article provides a systematic summary of the use of gold (Au) nanostructures (NSs) as cocatalysts to improve the photoactivity of semiconductor materials. It highlights the engineering approaches of Au NSs to maximize the solar-to-fuel conversion efficiency. The synthesis methods of Au NSs and their multiple functions in improving photoactivity are summarized, along with the strategies to enhance the photocatalytic efficiency of Au-semiconductor composites.
Gold (Au) nanostructures (NSs) have been widely employed as cocatalysts to improve the photoactivity of semiconductor materials, while a systematic summary of the engineering approaches of Au NSs to maximize the solar-to-fuel conversion efficiency is still lacking. In this review, the recently developed strategies for elevating the overall photocatalytic performance of Au-based catalysts and the deep physical chemistry mechanisms are highlighted. Firstly, the synthetic approaches of Au NSs are summarized, followed by an elaboration on their multiple functions in improving photoactivity. Afterward, modification strategies of Au NSs used to enhance the photocatalytic efficiency of Au-semiconductor composites, including controlling the Au NSs morphology, size, crystal phase, defect engineering, alloying with different metals, modulating interfacial interaction, and introducing an external field, are summarized and discussed independently. Additionally, advanced characterization techniques that can provide insights into the charge dynamics of the photocatalysts are introduced. Finally, we share our opinion on the challenges and outline potentially promising opportunities and directions for efficient Au-based photocatalysis research moving forward. We sincerely look forward to this review can deliver insightful views to design efficient Au-based photocatalysts and spur certain innovations to other metal-based catalysts. & COPY; 2023 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by ELSEVIER B.V. and Science Press. All rights reserved.
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