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240920s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202410537
|2 doi
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|a pubmed24n1540.xml
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|a (DE-627)NLM377870862
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|a (NLM)39300857
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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 Chen, Dechao
|e verfasserin
|4 aut
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|a WS2 Moiré Superlattices Supporting Au Nanoclusters and Isolated Ru to Boost Hydrogen Production
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|c 2024
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|a Text
|b txt
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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 20.09.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © 2024 Wiley‐VCH GmbH.
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|a Maximizing the catalytic activity of single-atom and nanocluster catalysts through the modulation of the interaction between these components and the corresponding supports is crucial but challenging. Herein, guided by theoretical calculations, a nanoporous bilayer WS2 Moiré superlattices (MSLs) supported Au nanoclusters (NCs) adjacent to Ru single atoms (SAs) (Ru1/Aun-2LWS2) is developed for alkaline hydrogen evolution reaction (HER) for the first time. Theoretical analysis suggests that the induced robust electronic metal-support interaction effect in Ru1/Aun-2LWS2 is prone to promote the charge redistribution among Ru SAs, Au NCs, and WS2 MSLs support, which is beneficial to reduce the energy barrier for water adsorption and thus promoting the subsequent H2 formation. As feedback, the well-designed Ru1/Aun-2LWS2 electrocatalyst exhibits outstanding HER performance with high activity (η10 = 19 mV), low Tafel slope (35 mV dec-1), and excellent long-term stability. Further, in situ, experimental studies reveal that the reconstruction of Ru SAs/NCs with S vacancies in Ru1/Aun-2LWS2 structure acts as the main catalytically active center, while high-valence Au NCs are responsible for activating and stabilizing Ru sites to prevent the dissolution and deactivation of active sites. This work offers guidelines for the rational design of high-performance atomic-scale electrocatalysts
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|a Journal Article
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|a hydrogen evolution reaction
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|a moiré superlattices
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|a nanoclusters/single atoms electronic metal–support interaction
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|a Gao, Tianyu
|e verfasserin
|4 aut
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|a Wei, Zengxi
|e verfasserin
|4 aut
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|a Wang, Mengjia
|e verfasserin
|4 aut
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|a Ma, Yingfei
|e verfasserin
|4 aut
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|a Xiao, Dongdong
|e verfasserin
|4 aut
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|a Cao, Changsheng
|e verfasserin
|4 aut
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|a Lee, Cheng-You
|e verfasserin
|4 aut
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|a Liu, Pan
|e verfasserin
|4 aut
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|a Wang, Dengchao
|e verfasserin
|4 aut
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|a Zhao, Shuangliang
|e verfasserin
|4 aut
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|a Wang, Hsiao-Tsu
|e verfasserin
|4 aut
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|a Han, Lili
|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 (2024) vom: 19. Sept., Seite e2410537
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g year:2024
|g day:19
|g month:09
|g pages:e2410537
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|u http://dx.doi.org/10.1002/adma.202410537
|3 Volltext
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