Trinuclear Fe Clusters for Highly Efficient CO2 Photoreduction

被引:6
作者
Li, Jixin [1 ]
Ma, Kaiyue [1 ]
Li, Chunguang [1 ]
Shi, Zhan [1 ]
Feng, Shouhua [1 ]
机构
[1] Jilin Univ, Coll Chem, State Key Lab Inorgan Synth & Preparat Chem, Changchun 130012, Peoples R China
基金
中国国家自然科学基金;
关键词
photocatalysis; CO2; reduction; Feclusters; metal-organic frameworks; photosensitizers; METAL-ORGANIC FRAMEWORKS; REDUCTION; MORPHOLOGY; POLYOXOMETALATE; SERIES; SITES;
D O I
10.1021/acsami.3c02298
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Photocatalytic reduction of CO2 into valuablechemicalsor fuels is considered a promising solution to mitigate the energycrisis. In this work, efficient CO2 to CO conversion wasachieved, accompanied by a class of trinuclear Fe clusters as photocatalysts.Under optimal conditions, the highest catalytic rate could be up to140.9 mu mol/h in 6 h with the assistance of photosensitizers(PS). The trinuclear Fe Clusters can be used as secondary buildingunits to construct Fe-based metal-organic frameworks (MOFs).However, the catalytic activity of Fe-based MOFs is weaker than thatof clusters in both the cases of extra PS-assisted MOFs and integratedPS into MOFs. The simpler synthesis, lower cost, and higher catalyticactivity make the Fe clusters a better catalyst. Additionally, steady-statefluorescence tests confirmed the transfer of photogenerated electronsfrom PS to the clusters during the photocatalytic reaction.
引用
收藏
页码:26619 / 26626
页数:8
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