In situ reconstructed AgZn3 nanoparticles supported on zinc nanoplates for efficient CO2 electroreduction to tunable syngas

被引：12
|
作者：
Xu, Yanrui [1 ]
Liu, Wangjian [2 ]
Xu, Zihang [2 ]
Zhou, Yitong [1 ]
Yu, Xin-Yao [1 ,2 ]
机构：
[1] Anhui Univ, Inst Phys Sci & Informat Technol, Inst Energy, Hefei Comprehens Natl Sci Ctr,Anhui Energy Lab, Hefei 230601, Peoples R China
[2] Anhui Univ, Sch Mat Sci & Engn, Hefei 230601, Peoples R China
来源：
CHEMICAL COMMUNICATIONS | 2023年 / 59卷 / 55期
基金：
中国国家自然科学基金;
关键词：
REDUCTION;
D O I：
10.1039/d3cc02118a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Developing efficient electrocatalysts for CO2 reduction to syngas with tunable H-2/CO ratios and high total faradaic efficiency is challenging. Herein, we report an effective catalyst composed of in situ reconstructed AgZn3 nanoparticles and Zn nanoplates for syngas synthesis, showing nearly 100% Faraday efficiency to syngas with a tunable H-2/CO ratio from 2 : 1 to 1 : 2. Moreover, the in situ electrochemical measurements coupled with theoretical calculations disclose that the Zn site in AgZn3 nanoparticles and the hollow site between Ag and Zn in AgZn3 are the possible active sites for CO and H-2 generation, respectively. This work has guiding significance for designing dual site catalysts for CO2 electroreduction to tunable syngas.
引用
收藏
页码：8596 / 8599
页数：4
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