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Plasmonic Ag-decorated Cu2O nanowires for boosting photoelectrochemical CO2 reduction to multi-carbon products
Chemical Communications ( IF 4.3 ) Pub Date : 2022-08-02 , DOI: 10.1039/d2cc03167a
Yanfang Zhang 1 , Qingmei Wang 1 , Keke Wang 1 , Yang Liu 1 , Luwei Zou 2 , Yu Zhou 2 , Min Liu 2 , Xiaoqing Qiu 1 , Wenzhang Li 1, 3 , Jie Li 1
Affiliation  

The generation of multi-carbon products on the Cu2O photocathode remains a great challenge. Herein, effective charge separation and surface catalytic reaction are achieved for photoelectrochemical CO2 reduction through plasmon metal (Ag) decoration on Cu2O nanowires. The Cu2O/Ag composite photocathode achieves a 47.7% faradaic efficiency for CH3COOH and the generation rate is 212.7 μmol cm−2 h−1 under illumination, which is about five times that in dark (44.4 μmol cm−2 h−1) at −0.7 V vs. RHE.

中文翻译:

等离子银修饰的 Cu2O 纳米线用于促进光电化学 CO2 还原为多碳产品

在 Cu 2 O 光电阴极上生成多碳产物仍然是一个巨大的挑战。在此,通过在 Cu 2 O 纳米线上的等离子体金属 (Ag) 装饰实现了有效的电荷分离和表面催化反应,用于光电化学 CO 2还原。Cu 2 O/Ag 复合光阴极对 CH 3 COOH 的法拉第效率为 47.7%,光照下的生成率为 212.7 μmol cm -2 h -1,约为黑暗条件下的 5 倍(44.4 μmol cm -2 h - 1 ) 在 -0.7 V vs. RHE。
更新日期:2022-08-02
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