多金属氧酸盐
光催化
催化作用
选择性
金属有机骨架
复合数
金属
光化学
材料科学
化学
组合化学
化学工程
有机化学
吸附
工程类
复合材料
作者
Huijie Li,Manzhou Chi,Xing Xin,Ruijie Wang,Tian‐Fu Liu,Hongjin Lv,Guo‐Yu Yang
出处
期刊:Chinese Journal of Catalysis
[China Science Publishing & Media Ltd.]
日期:2023-07-01
卷期号:50: 343-351
被引量:11
标识
DOI:10.1016/s1872-2067(23)64453-5
摘要
The highly selective photoreduction of CO2 into valuable chemical fuels such as CO has been considered as an effective strategy to address modern energy and environmental issues. In this work, we have adopted the well-established impregnation approach to construct a P2W15Ni3{Re(CO)3}3 @NU-1000 composite by incorporating heterometallic-substituted P2W15Ni3{Re(CO)3}3 polyoxometalate (POM) into the pores of metal-organic framework (NU-1000) host. Upon light irradiation, the resulting P2W15Ni3{Re(CO)3}3@NU-1000 composite can effectively photocatalyze CO2 reduction, obtaining a CO production of 28982 μmol g−1 with 93.5% selectivity during 10-h photocatalysis. The catalytic system exhibits great long-term recyclability and stability for at least four successive recycles. The proposed photocatalytic mechanism was confirmed by a series of photochemical and spectroscopic analyses.
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