- Title
- Atomic-level charge separation strategies in semiconductor-based photocatalysts
- Creator
- Chen, Fang; Ma, Tianyi; Zhang, Tierul; Zhang, Yihe; Huang, Hongwei
- Relation
- Advanced Materials Vol. 33, Issue 10, no. 2005256
- Publisher Link
- http://dx.doi.org/10.1002/adma.202005256
- Publisher
- Wiley-VCH Verlag GmbH & Co. KGaA
- Resource Type
- journal article
- Date
- 2021
- Description
- Semiconductor-based photocatalysis as a productive technology furnishes a prospective solution to environmental and renewable energy issues, but its efficiency greatly relies on the effective bulk and surface separation of photoexcited charge carriers. Exploitation of atomic-level strategies allows in-depth understanding on the related mechanisms and enables bottom-up precise design of photocatalysts, significantly enhancing photocatalytic activity. Herein, the advances on atomic-level charge separation strategies toward developing robust photocatalysts are highlighted, elucidating the fundamentals of charge separation and transfer processes and advanced probing techniques. The atomic-level bulk charge separation strategies, embodied by regulation of charge movement pathway and migration dynamic, boil down to shortening the charge diffusion distance to the atomic-scale, establishing atomic-level charge transfer channels, and enhancing the charge separation driving force. Meanwhile, regulating the in-plane surface structure and spatial surface structure are summarized as atomic-level surface charge separation strategies. Moreover, collaborative strategies for simultaneous manipulation of bulk and surface photocharges are also introduced. Finally, the existing challenges and future prospects for fabrication of state-of-the-art photocatalysts are discussed on the basis of a thorough comprehension of atomic-level charge separation strategies.
- Subject
- atomic-level strategies; bulk charge separation; charge kinetics; photocatalysis; surface charge seperation; SDG 7; Sustainable Development Goals
- Identifier
- http://hdl.handle.net/1959.13/1461901
- Identifier
- uon:46331
- Identifier
- ISSN:0935-9648
- Language
- eng
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