Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 61, Issue 41, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202209446
Keywords
CH4 Generation; CO2 Photoreduction; Low Coordination; Reaction Intermediates; Single Au Atoms
Categories
Funding
- National Key Research and Development Program of China [2020YFA0710301]
- National Natural Science Foundation of China [22172087, 21902086, 51972195, 21832005, 21972078]
- Qilu Young Scholar Program of Shandong University
- Taishan Scholar Foundation of Shandong Province
Ask authors/readers for more resources
Low-coordination single Au atoms on ultra-thin ZnIn2S4 nanosheets exhibited exceptional photocatalytic performance for CO2 reduction, leading to selective CH4 generation.
Selective CO2 photoreduction to hydrocarbon fuels such as CH4 is promising and sustainable for carbon-neutral future. However, lack of proper binding strengths with reaction intermediates makes it still a challenge for photocatalytic CO2 methanation with both high activity and selectivity. Here, low-coordination single Au atoms (Au-1-S-2) on ultrathin ZnIn2S4 nanosheets was synthesized by a complex-exchange route, enabling exceptional photocatalytic CO2 reduction performance. Under visible light irradiation, Au-1/ZnIn2S4 catalyst exhibits a CH4 yield of 275 mu mol g(-1) h(-1) with a selectivity as high as 77 %. As revealed by detailed characterizations and density functional theory calculations, Au-1/ZnIn2S4 with Au-1-S-2 structure not only display fast carrier transfer to underpin its superior activity, but also greatly reduce the energy barrier for protonation of *CO and stabilize the *CH3 intermediate, thereby leading to the selective CH4 generation from CO2 photoreduction.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available