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https://hdl.handle.net/10356/138584
Title: | Confining sub-nanometer Pt clusters in hollow mesoporous carbon spheres for boosting hydrogen evolution activity | Authors: | Wan, Xian-Kai Wu, Hao Bin Guan, Bu Yuan Luan, Deyan Lou, David Xiong Wen |
Keywords: | Engineering::Chemical engineering | Issue Date: | 2020 | Source: | Wan, X.-K., Wu, H. B., Guan, B. Y., Luan, D., & Lou, D. X. W. (2020). Confining sub-nanometer Pt clusters in hollow mesoporous carbon spheres for boosting hydrogen evolution activity. Advanced Materials, 32(7), 1901349-. doi:10.1002/adma.201901349 | Journal: | Advanced Materials | Abstract: | Electrochemical water splitting is considered as a promising approach to produce clean and sustainable hydrogen fuel. As a new class of nanomaterials with high ratio of surface atoms and tunable composition and electronic structure, metal clusters are promising candidates as catalysts. Here, a new strategy is demonstrated to synthesize active and stable Pt-based electrocatalysts for hydrogen evolution by confining Pt clusters in hollow mesoporous carbon spheres (Pt5 /HMCS). Such a structure would effectively stabilize the Pt clusters during the ligand removal process, leading to remarkable electrocatalytic performance for hydrogen production in both acidic and alkaline solutions. Particularly, the optimal Pt5 /HMCS electrocatalyst exhibits 12 times the mass activity of Pt in commercial Pt/C catalyst with similar Pt loading. This study exemplifies a simple yet effective approach to improve the cost effectiveness of precious-metal-based catalysts with stabilized metal clusters. | URI: | https://hdl.handle.net/10356/138584 | ISSN: | 0935-9648 | DOI: | 10.1002/adma.201901349 | Schools: | School of Chemical and Biomedical Engineering | Rights: | © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. All rights reserved. This paper was published in Advanced Materials and is made available with permission of WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | SCBE Journal Articles |
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LXW Confining Subnanometer Pt Clusters in Hollow Mesoporous Carbon Spheres for Boosting Hydrogen Evolution Activity.pdf | 974.85 kB | Adobe PDF | View/Open |
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