期刊
ACS APPLIED ENERGY MATERIALS
卷 4, 期 12, 页码 13415-13419出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsaem.1c02896
关键词
CO2 reduction; photocatalyst; Sn3O4; visible-light active; visible-light utilization
资金
- JSPS Kakenhi [18H02055]
- JSPS [JP18K04840]
- JST SICORP [JPMJSC18H7]
- Mitsubishi Materials Corporation
- Grants-in-Aid for Scientific Research [18H02055] Funding Source: KAKEN
This study observed the reduction of CO2 to CO in aqueous solution catalyzed by hydrothermally synthesized Sn3O4 under visible-light irradiation, with stable CO generation rate for 72 h. Because of its high activity and stability, Sn3O4 is considered a promising photocatalyst worthy of further examination.
Photocatalytic carbon dioxide (CO2) reduction has been attracting considerable interest. However, the major problems with its application are that it is limited by the solar energy utilization efficiency and catalytic selectivity of CO2 reduction in water. In this study, we observed the reduction of CO2 in aqueous solution to carbon monoxide (CO) catalyzed by hydrothermally synthesized pristine tin oxide (Sn3O4) under visible-light irradiation (lambda > 430 nm). The detected CO generation rate remained stable for 72 h. Because Sn3O4 is visible-light active, capable of driving CO2 reduction, environmentally benign, and stable, we believe that it is a promising photocatalyst worthy of further examination.
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