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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1002/adma.201801351
|2 doi
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|a pubmed25n0950.xml
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|a (NLM)29870585
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Su, Jianwei
|e verfasserin
|4 aut
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|a Assembling Ultrasmall Copper-Doped Ruthenium Oxide Nanocrystals into Hollow Porous Polyhedra
|b Highly Robust Electrocatalysts for Oxygen Evolution in Acidic Media
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 27.02.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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|a Here, a facile and novel strategy for the preparation of Cu-doped RuO2 hollow porous polyhedra composed of ultrasmall nanocrystals through one-step annealing of a Ru-exchanged Cu-BTC derivative is reported. Owing to the optimized surface configuration and altered electronic structure, the prepared catalyst displays a remarkable oxygen evolution reaction (OER) performance with low overpotential of 188 mV at 10 mA cm-2 in acidic electrolyte, an ultralow Tafel slope of 43.96 mV dec-1 , and excellent stability in durability testing for 10 000 cycles, and continuous testing of 8 h at a current density of 10 mA cm-2 . Density functional theory calculations reveal that the highly unsaturated Ru sites on the high-index facets can be oxidized gradually and reduce the energy barrier of rate-determining steps. On the other hand, the Cu dopants can alter the electronic structures so as to further improve the intrinsic OER activity
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|a Journal Article
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|a Cu doping
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|a MOFs derivatives
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|a OER in acidic media
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|a RuO2
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|a facet effect
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|a Ge, Ruixiang
|e verfasserin
|4 aut
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|a Jiang, Kemin
|e verfasserin
|4 aut
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|a Dong, Yan
|e verfasserin
|4 aut
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|a Hao, Fei
|e verfasserin
|4 aut
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|a Tian, Ziqi
|e verfasserin
|4 aut
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|a Chen, Guoxin
|e verfasserin
|4 aut
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|a Chen, Liang
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g (2018) vom: 05. Juni, Seite e1801351
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g year:2018
|g day:05
|g month:06
|g pages:e1801351
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|u http://dx.doi.org/10.1002/adma.201801351
|3 Volltext
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