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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202204624
|2 doi
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|a pubmed24n1146.xml
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|a (DE-627)NLM343861704
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|a (NLM)35866182
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Du, Hongfang
|e verfasserin
|4 aut
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| 245 |
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|a Unlocking Interfacial Electron Transfer of Ruthenium Phosphides by Homologous Core-Shell Design toward Efficient Hydrogen Evolution and Oxidation
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 15.09.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Developing high-efficiency electrocatalysts for the hydrogen evolution and oxidation reactions (HER/HOR) in alkaline electrolytes is of critical importance for realizing renewable hydrogen technologies. Ruthenium phosphides (RuPx ) are promising candidates to substitute Pt-based electrodes; however, great challenges still remain in their electronic structure regulation for optimizing intermediate adsorption. Herein, it is reported that a homologous RuPRuP2 core-shell architecture constructed by a phosphatization-controlled phase-transformation strategy enables strong electron coupling for optimal intermediate adsorption by virtue of the emergent interfacial functionality. Density functional theory calculations show that the RuP core and RuP2 shell present efficient electron transfer, leading to a close to thermoneutral hydrogen adsorption Gibbs free energy of 0.04 eV. Impressively, the resulting material exhibits superior HER/HOR activities in alkaline media, which outperform the benchmark Pt/C and are among the best reported bifunctional hydrogen electrocatalysts. The present work not only provides an efficient and cost-effective bifunctional hydrogen electrocatalyst, but also offers a new synthetic protocol to rationally synthesize homologous core-shell nanostructures for widespread applications
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|a Journal Article
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|a core-shell structures
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|a hydrogen evolution reaction
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|a hydrogen oxidation reaction
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|a phase transformation
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|a ruthenium phosphide
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1 |
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|a Du, Zhuzhu
|e verfasserin
|4 aut
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1 |
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|a Wang, Tingfeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Boxin
|e verfasserin
|4 aut
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| 700 |
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|a He, Song
|e verfasserin
|4 aut
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|a Wang, Ke
|e verfasserin
|4 aut
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|a Xie, Linghai
|e verfasserin
|4 aut
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|a Ai, Wei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Wei
|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 34(2022), 37 vom: 06. Sept., Seite e2204624
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:34
|g year:2022
|g number:37
|g day:06
|g month:09
|g pages:e2204624
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|u http://dx.doi.org/10.1002/adma.202204624
|3 Volltext
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