Convincing Synthesis of Atomically Thin, Single-Crystalline InVO4 Sheets toward Promoting Highly Selective and Efficient Solar Conversion of CO2 into CO

Journal of the American Chemical Society
Qiutong HanZhigang Zou

Abstract

Atomically thin, single-crystalline InVO4 sheets with the uniform thickness of ∼1.5 nm were convincingly synthesized, which was identified with strong, low-angle X-ray diffraction peaks. The InVO4 atomic layer corresponding to 3 unit cells along [110] orientation exhibits highly selective and efficient photocatalytic conversion of CO2 into CO in the presence of water vapor. Surface potential change measurement and liquid photoluminescence decay spectra confirm that the atomically ultrathin structure can shorten the transfer distance of charge carriers from the interior onto the surface and decrease the recombination in body. It thus allows more electrons to survive and accumulate on the surface, which is beneficial for activation and reduction of CO2. In addition, exclusively exposed {110} facet of the InVO4 atomic layer was found to bind the generating CO weakly, facilitating quick desorption from the catalyst surface to form free CO molecules, which provides an ideal platform to catalytically selective CO product.

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Citations

Jun 13, 2020·Advanced Materials·Wei WengXiong Wen David Lou
Oct 21, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Kailian ZhangWenxin Dai
Nov 1, 2020·Angewandte Chemie·Yu WuYu Wang
Jan 28, 2021·Advanced Materials·Fang ChenHongwei Huang
Aug 14, 2021·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Mohamed FaisalR Jothiramalingam
Oct 11, 2019·The Journal of Physical Chemistry Letters·Haoqian ZhouJia Li

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