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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202206478
|2 doi
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|a pubmed24n1152.xml
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|a eng
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|a Sun, Kaian
|e verfasserin
|4 aut
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|a Nature-Inspired Design of Molybdenum-Selenium Dual-Single-Atom Electrocatalysts for CO2 Reduction
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|c 2022
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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 04.11.2022
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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 Electrochemical CO2 reduction (ECR) is becoming an increasingly important technology for achieving carbon neutrality. Inspired by the structure of naturally occurring Mo-dependent enzymes capable of activating CO2 , a heteronuclear Mo-Se dual-single-atom electrocatalyst (MoSA-SeSA) for ECR into CO with a Faradaic efficiency of above 90% over a broad potential window from -0.4 to -1.0 V versus reversible hydrogen electrode is demonstrated here. Both operando characterization and theoretical simulation results verify that MoSA acts as central atoms that directly interact with the ECR feedstock and intermediates, whereas the SeSA adjacent to MoSA modulates the electronic structure of MoSA through long-range electron delocalization for inhibiting MoSA poisoning caused by strong CO adsorption. In addition, the SeSAs far from MoSA help suppress the competing hydrogen evolution side reaction and accelerate the CO2 transport by repelling H2 O. This work provides new insight into the precise regulation and in-depth understanding of multisite synergistic catalysis at the atomic scale
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|a Journal Article
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|a carbon dioxide reduction
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|a dual single-atoms
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|a electrocatalysts
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1 |
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|a Yu, Ke
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fang, Jinjie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhuang, Zewen
|e verfasserin
|4 aut
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|a Tan, Xin
|e verfasserin
|4 aut
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|a Wu, Yue
|e verfasserin
|4 aut
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|a Zeng, Lingyou
|e verfasserin
|4 aut
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|a Zhuang, Zhongbin
|e verfasserin
|4 aut
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|a Pan, Yuan
|e verfasserin
|4 aut
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| 700 |
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|a Chen, Chen
|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 34(2022), 44 vom: 01. Nov., Seite e2206478
|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:44
|g day:01
|g month:11
|g pages:e2206478
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|u http://dx.doi.org/10.1002/adma.202206478
|3 Volltext
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