Modulating charge separation and transfer for high-performance photoelectrodes via built-in electric field

Constructing a built-in electric field has emerged as a key strategy for enhancing charge separation and transfer, thereby improving photoelectrochemical performance. Recently, considerable efforts have been devoted to this endeavor. This review systematically summarizes the impact of built-in elect...

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Bibliographic Details
Published in:International journal of minerals, metallurgy and materials metallurgy and materials, 2024-05, Vol.31 (5), p.1126-1146
Main Authors: Cheng, Houyan, Liu, Peng, Cui, Yuntao, Ya, Ru, Hu, Yuxiang, Wang, Jinshu
Format: Article
Language:English
Subjects:
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Corrosion and Coatings
Electric charge
Electric fields
Electrodes
Glass
Hydrogen
Invited Review
Materials Science
Metallic Materials
Natural Materials
Separation
Surfaces and Interfaces
Thin Films
Tribology
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Summary:Constructing a built-in electric field has emerged as a key strategy for enhancing charge separation and transfer, thereby improving photoelectrochemical performance. Recently, considerable efforts have been devoted to this endeavor. This review systematically summarizes the impact of built-in electric fields on enhancing charge separation and transfer mechanisms, focusing on the modulation of built-in electric fields in terms of depth and orderliness. First, mechanisms and tuning strategies for built-in electric fields are explored. Then, the state-of-the-art works regarding built-in electric fields for modulating charge separation and transfer are summarized and categorized according to surface and interface depth. Finally, current strategies for constructing bulk built-in electric fields in photoelectrodes are explored, and insights into future developments for enhancing charge separation and transfer in high-performance photoelectrochemical applications are provided.
ISSN:1674-4799
1869-103X
DOI:10.1007/s12613-024-2862-3