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Issue 8, 2019
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Boosting CO2 electroreduction over silver nanowires modified by wet-chemical sulfidation and subsequent electrochemical de-sulfidation

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Abstract

De-sulfidated Ag NWs (DS-Ag NWs) obtained from wet-chemical sulfidation of Ag NWs and subsequent electrochemical reduction were investigated for electrocatalytic reduction of CO2 (eCO2RR) in 0.5 M KHCO3. DS-Ag NWs exhibit improved CO Faradaic efficiency (81%) and enhanced CO partial current density for eCO2RR as compared with pristine Ag NWs. Detailed characterizations show that sulfidated Ag NWs have a core–shell structure, Ag@Ag2S NWs, and the surface of the DS-Ag NWs is embedded with randomly oriented Ag nanocrystallites, which accounts for the improved eCO2RR performance.

Graphical abstract: Boosting CO2 electroreduction over silver nanowires modified by wet-chemical sulfidation and subsequent electrochemical de-sulfidation

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Publication details

The article was received on 20 Nov 2018, accepted on 27 Jan 2019 and first published on 28 Jan 2019


Article type: Letter
DOI: 10.1039/C8NJ05878D
Citation: New J. Chem., 2019,43, 3269-3272

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    Boosting CO2 electroreduction over silver nanowires modified by wet-chemical sulfidation and subsequent electrochemical de-sulfidation

    L. Hu, Y. Zhang and W. Han, New J. Chem., 2019, 43, 3269
    DOI: 10.1039/C8NJ05878D

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