Single-atom silver-manganese catalysts for photocatalytic CO2 reduction with H2O to CH4

被引:48
作者
Ding, Jie [1 ]
Liu, Xuefang [1 ]
Shi, Mengge [1 ]
Li, Tong [1 ]
Xia, Mingyu [1 ]
Du, Xiaowei [1 ]
Shang, Ruilin [1 ]
Gu, Hao [1 ]
Zhong, Qin [1 ]
机构
[1] Nanjing Univ Sci & Technol, Sch Chem Engn, Nanjing 210094, Jiangsu, Peoples R China
基金
中国国家自然科学基金;
关键词
Photocatalytic CO2 conversion; Artificial photosynthesis; Methane production; Single-atom catalysis; METAL-ORGANIC FRAMEWORKS; GRAPHENE OXIDE; HYBRID PHOTOCATALYST; TIO2; AG; CONVERSION; NANOPARTICLES; PERFORMANCE; FABRICATION; DEPOSITION;
D O I
10.1016/j.solmat.2019.02.009
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
This study focused on developing single-atom silver-manganese catalysts for converting the increasingly concerning CO2 to highly demanded methane (CH4) with renewable solar energy via artificial photosynthesis. The performances of the Ag supported manganese oxides (Ag/HMO) and the single-atom silver-manganese catalysts (Ag-HMO) were tested and compared under the same conditions. The activity of Ag-HMO reached as high as 0.61 mol mol(-1) catalysts, which was 1.53 times higher than that of Ag/HMO. The single-atom Ag chains in Ag-HMO promoted the electron transfer from Ag to HMO, the adsorption of visible light and the activation of adsorbed CO2, thus enhancing the photocatalytic performances. This research will be beneficial for the practical application of solar energy with plasmonic photocatalyst.
引用
收藏
页码:34 / 42
页数:9
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