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. 2017 Mar 22;139(11):4123-4129.
doi: 10.1021/jacs.7b00266. Epub 2017 Mar 7.

Photocatalytic CO2 Reduction by Carbon-Coated Indium-Oxide Nanobelts

Yun-Xiang Pan  1 , Ya You  2 , Sen Xin  2 , Yutao Li  2 , Gengtao Fu  2 , Zhiming Cui  2 , Yu-Long Men  1 , Fei-Fei Cao  3 , Shu-Hong Yu  4 , John B Goodenough  2
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Photocatalytic CO2 Reduction by Carbon-Coated Indium-Oxide Nanobelts

Yun-Xiang Pan et al. J Am Chem Soc. .

Abstract

Indium-oxide (In2O3) nanobelts coated by a 5-nm-thick carbon layer provide an enhanced photocatalytic reduction of CO2 to CO and CH4, yielding CO and CH4 evolution rates of 126.6 and 27.9 μmol h-1, respectively, with water as reductant and Pt as co-catalyst. The carbon coat promotes the absorption of visible light, improves the separation of photoinduced electron-hole pairs, increases the chemisorption of CO2, makes more protons from water splitting participate in CO2 reduction, and thereby facilitates the photocatalytic reduction of CO2 to CO and CH4.

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