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High-Yield Synthesis of Ultrathin and Uniform Bi2WO6 Square Nanoplates Benefitting from Photocatalytic Reduction of CO2 into Renewable Hydrocarbon Fuel under Visible Light

Ultrathin and uniform Bi2WO6 square nanoplates of ∼9.5 nm thickness corresponding to six repeating cell units were prepared in the presence of oleylamine using a hydrothermal route. The Bi2WO6 nanoplates show great potential in the utilization of visible light energy to the highly efficient reductio...

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Published in:ACS applied materials & interfaces 2011-09, Vol.3 (9), p.3594-3601
Main Authors: Zhou, Yong, Tian, Zhongping, Zhao, Zongyan, Liu, Qi, Kou, Jiahui, Chen, Xiaoyu, Gao, Jun, Yan, Shicheng, Zou, Zhigang
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container_issue 9
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container_title ACS applied materials & interfaces
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creator Zhou, Yong
Tian, Zhongping
Zhao, Zongyan
Liu, Qi
Kou, Jiahui
Chen, Xiaoyu
Gao, Jun
Yan, Shicheng
Zou, Zhigang
description Ultrathin and uniform Bi2WO6 square nanoplates of ∼9.5 nm thickness corresponding to six repeating cell units were prepared in the presence of oleylamine using a hydrothermal route. The Bi2WO6 nanoplates show great potential in the utilization of visible light energy to the highly efficient reduction of CO2 into a renewable hydrocarbon fuel. On the one hand, the ultrathin geometry of the nanoplates promotes charge carriers to move rapidly from the interior to the surface to participate in the photoreduction reaction. This should also favor the improved separation of photogenerated electron and hole and a lower electron–hole recombination rate; on the other hand, the Bi2WO6 square nanoplate is proven to provide the well-defined {001} facet for two dominantly exposed surfaces, which is a prerequisite for the high level of photocatalytic activity of CO2 fixation.
doi_str_mv 10.1021/am2008147
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source American Chemical Society:Jisc Collections:American Chemical Society Read & Publish Agreement 2022-2024 (Reading list)
subjects Bismuth - chemistry
Carbon Dioxide - chemistry
Catalysis
Light
Metal Nanoparticles - chemistry
Metal Nanoparticles - ultrastructure
Methane - chemistry
Oxidation-Reduction
Renewable Energy
Tungsten Compounds - chemistry
title High-Yield Synthesis of Ultrathin and Uniform Bi2WO6 Square Nanoplates Benefitting from Photocatalytic Reduction of CO2 into Renewable Hydrocarbon Fuel under Visible Light
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