Metal-metal interactions in correlated single-atom catalysts
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Date
2022
Authors
Shan, J.
Ye, C.
Jiang, Y.
Jaroniec, M.
Zheng, Y.
Qiao, S.-Z.
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Journal article
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Science Advances, 2022; 8(17)
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Jieqiong Shan, Chao Ye, Yunling Jiang, Mietek Jaroniec, Yao Zheng, Shi-Zhang Qiao
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Abstract
Single-atom catalysts (SACs) include a promising family of electrocatalysts with unique geometric structures. Beyond conventional ones with fully isolated metal sites, an emerging class of catalysts with the adjacent metal single atoms exhibiting intersite metal-metal interactions appear in recent years and can be denoted as correlated SACs (C-SACs). This type of catalysts provides more opportunities to achieve substantial structural modification and performance enhancement toward a wider range of electrocatalytic applications. On the basis of a clear iden-tification of metal-metal interactions, this review critically examines the recent research progress in C-SACs. It shows that the control of metal-metal interactions enables regulation of atomic structure, local coordination, and electronic properties of metal single atoms, which facilitate the modulation of electrocatalytic behavior of C-SACs. Last, we outline directions for future work in the design and development of C-SACs, which is indispensable for creating high-performing new SAC architectures.
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Copyright © 2022 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC)