Highly Efficient Photoelectrocatalytic Reduction of Hexavalent Chromium   based on the Cascade Energy Transfer towards Using no Semiconducting   Photocatalysts

doi:10.1016/j.electacta.2015.12.065

CORC > 北京大学 > 环境科学与工程学院

	Highly Efficient Photoelectrocatalytic Reduction of Hexavalent Chromium based on the Cascade Energy Transfer towards Using no Semiconducting Photocatalysts
	Feng, Xiang ; Shang, Jing ; Zhu, Tong
刊名	ELECTROCHIMICA ACTA
	2016
关键词	photoelectrocatalytic reduction hexavalent chromium cascade energy transfer CR(VI) WATER ELECTRODE REMOVAL LAYER
DOI	10.1016/j.electacta.2015.12.065
英文摘要	Highly efficient photoelectrocatalytic (PEC) reduction of Cr(VI) has been realized in the absence of semiconducting photocatalysts. In the novel-configuration cell using Ti anode, Pt cathode, Cr(VI), and citric acid, the rate constant of the PEC reduction of Cr(VI) at a bias of 1.5 V was almost 3 times than that in the conventional-configuration cell using ITO/TiO2 anode, Ti cathode, Cr(VI), and citric acid. It was mostly because the citric acid, Ti anode, and Cr(VI) formed an energy-relay cascade structure, in which the photogenerated electrons in the citric acid were transferred to the positively biased Ti and then from anode to Cr(VI), leading to the very efficient Cr(VI) reduction. We develop a simple PEC method to reduce Cr(VI) over the Ti anode sensitized by photoexcited organic dye in no need of metal oxide photocatalysts, which can be considered as an important advance towards the cost-effective, environmentally friendly treatment of waste water. (C) 2015 Elsevier Ltd. All rights reserved.; Beijing Natural Science Foundation [8132035]; National Natural Science Foundation of China [21277004, 21190051, 41121004, 21577003]; Fujitsu Laboratories Limited Foundation [k120400]; Special Funds for State Key Joint Laboratory of Environmental Simulation and Pollution Control; SCI(E); EI; ARTICLE; shangjing@pku.edu.cn; 752-756; 188
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/437834]
专题	环境科学与工程学院
推荐引用方式 GB/T 7714	Feng, Xiang,Shang, Jing,Zhu, Tong. Highly Efficient Photoelectrocatalytic Reduction of Hexavalent Chromium based on the Cascade Energy Transfer towards Using no Semiconducting Photocatalysts[J]. ELECTROCHIMICA ACTA,2016.
APA	Feng, Xiang,Shang, Jing,&Zhu, Tong.(2016).Highly Efficient Photoelectrocatalytic Reduction of Hexavalent Chromium based on the Cascade Energy Transfer towards Using no Semiconducting Photocatalysts.ELECTROCHIMICA ACTA.
MLA	Feng, Xiang,et al."Highly Efficient Photoelectrocatalytic Reduction of Hexavalent Chromium based on the Cascade Energy Transfer towards Using no Semiconducting Photocatalysts".ELECTROCHIMICA ACTA (2016).