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https://hdl.handle.net/10356/85419
Title: | Dynamic traction of lattice-confined platinum atoms into mesoporous carbon matrix for hydrogen evolution reaction | Authors: | Lou, David Xiong Wen Zhang, Huabin An, Pengfei Zhou, Wei Guan, Bu Yuan Zhang, Peng Dong, Juncai |
Keywords: | Platinum (Pt) Electrocatalysts Hydrogen Evolution Reaction |
Issue Date: | 2018 | Source: | Zhang, H., An, P., Zhou, W., Guan, B. Y., Zhang, P., Dong, J., et al. (. (2018). Dynamic traction of lattice-confined platinum atoms into mesoporous carbon matrix for hydrogen evolution reaction. Science Advances, 4(1), eaao6657-. | Series/Report no.: | Science Advances | Abstract: | Constructing atomically dispersed platinum (Pt) electrocatalysts is essential to build high-performance and cost-effective electrochemical water-splitting systems. We present a novel strategy to realize the traction and stabilization of isolated Pt atoms in the nitrogen-containing porous carbon matrix (Pt@PCM). In comparison with the commercial Pt/C catalyst (20 weight %), the as-prepared Pt@PCM catalyst exhibits significantly boosted mass activity (up to 25 times) for hydrogen evolution reaction. Results of extended x-ray absorption fine structure investigation and density functional theory calculation suggest that the active sites are associated with the lattice-confined Pt centers and the activated carbon (C)/nitrogen (N) atoms at the adjacency of the isolated Pt centers. This strategy may provide insights into constructing highly efficient single-atom catalysts for different energy-related applications. | URI: | https://hdl.handle.net/10356/85419 http://hdl.handle.net/10220/45149 |
DOI: | 10.1126/sciadv.aao6657 | Schools: | School of Chemical and Biomedical Engineering | Rights: | © 2018 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). This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license, which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | SCBE Journal Articles |
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Dynamic traction of lattice-confined platinum atoms into mesoporous carbon matrix for hydrogen evolution reaction.pdf | 6.11 MB | Adobe PDF | View/Open |
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