Intimate atomic Cu-Ag interfaces for high CO2RR selectivity towards CH4 at low over potential-Reference-Cited by-同舟云学术

Intimate atomic Cu-Ag interfaces for high CO2RR selectivity towards CH4 at low over potential

Published:2021-07-21 Issue:10 Volume:14 Page:3497-3501
ISSN:1998-0124
Container-title:Nano Research
language:en
Short-container-title:Nano Res.

Author:

Choi Chungseok,Cai Jin,Lee Changsoo,Lee Hyuck Mo,Xu Mingjie,Huang Yu

Abstract

AbstractDeveloping highly efficient electrochemical catalysts for carbon dioxide reduction reaction (CO2RR) provides a solution to battle global warming issues resulting from ever-increasing carbon footprint due to human activities. Copper (Cu) is known for its efficiency in CO2RR towards value-added hydrocarbons; hence its unique structural properties along with various Cu alloys have been extensively explored in the past decade. Here, we demonstrate a two-step approach to achieve intimate atomic Cu-Ag interfaces on the surface of Cu nanowires, which show greatly improved CO2RR selectivity towards methane (CH4). The specially designed Cu-Ag interfaces showed an impressive maximum Faradaic efficiency (FE) of 72% towards CH4 production at −1.17 V (vs. reversible hydrogen electrode (RHE)).

Publisher

Springer Science and Business Media LLC

Subject

Electrical and Electronic Engineering,General Materials Science,Condensed Matter Physics,Atomic and Molecular Physics, and Optics

Link

https://link.springer.com/content/pdf/10.1007/s12274-021-3639-x.pdf

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