Spatial Structure Engineering of Interactive Single Platinum Sites toward Enhanced Electrocatalytic Hydrogen Evolution
Date
2023
Authors
Ye, C.
Shan, J.
Zhu, C.
Xu, W.
Song, L.
Zhu, Y.
Zheng, Y.
Qiao, S.Z.
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Advisors
Journal Title
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Type:
Journal article
Citation
Advanced Energy Materials, 2023; 13(45):2302190-1-2302190-8
Statement of Responsibility
Chao Ye, Jieqiong Shan, Chongzhi Zhu, Wenjie Xu, Li Song, Yihan Zhu, Yao Zheng, and Shi-Zhang Qiao
Conference Name
Abstract
Regulating site-to-site interactions between active sites can effectively tailor the electrocatalytic behavior of single-atom catalysts (SACs). The conventional SACs suffer from low density of single atoms and lack of site-to-site interactions between them. Herein, a series of interactive Pt SACs with controllable Pt–Pt spatial correlation degree and local coordination environment is developed by integrating densely populated Pt single atoms in the sub-lattice of a Co3O4 matrix. The obtained interactive Pt-Co3O4 catalysts demonstrate remarkable electrocatalytic performance toward hydrogen production, outperforming those of isolated single atom- and nanoparticle-based catalysts. The intrinsic catalytic activity of interactive Pt-Co3O4 catalysts is closely dependent on the spatial structure of Pt sites with the adjusted d-band center by regulating contents and atomic configuration of Pt sites. This work provides fundamental insights for the structure-property relationship on interactive single active sites, which is expected to direct the rational design of highly efficient SACs.
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© 2023 The Authors. Advanced Energy Materials published by Wiley-VCH GmbH. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.