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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201901349
|2 doi
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|a eng
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| 100 |
1 |
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|a Wan, Xian-Kai
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Confining Sub-Nanometer Pt Clusters in Hollow Mesoporous Carbon Spheres for Boosting Hydrogen Evolution Activity
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a 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
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|a Journal Article
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|a Pt clusters
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|a electrocatalysis
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|a hydrogen evolution reaction
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| 650 |
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4 |
|a mesoporous carbon
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| 700 |
1 |
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|a Wu, Hao Bin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Guan, Bu Yuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Luan, Deyan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lou, Xiong Wen David
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 32(2020), 7 vom: 30. Feb., Seite e1901349
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:32
|g year:2020
|g number:7
|g day:30
|g month:02
|g pages:e1901349
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| 856 |
4 |
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|u http://dx.doi.org/10.1002/adma.201901349
|3 Volltext
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