A new perspective for effect of S and Cu on the photocatalytic activity of S, Cu-codoped nano-TiO2 under visible light irradiation

ISL OpenIR > 青海盐湖研究所知识仓储

	A new perspective for effect of S and Cu on the photocatalytic activity of S, Cu-codoped nano-TiO2 under visible light irradiation
	Yi, Wentao 1; Yan, Chunyan 1; Yan, Peng 1; Li, Faqiang 2
	2014-02-01
发表期刊	JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY
卷号	69 期号:2 页码:386-396
关键词	Nano Particles Sol-hydrothermal Codoped Tio2 Ao7 Photocatalytic Activity
摘要	Sulfur and copper codoped TiO2 nanoparticles were prepared by sol-hydrothermal process. And the samples were characterized by X-ray diffraction, Fourier transform infrared spectroscopy, Raman spectra analysis, scanning electron microscopy, Brunauer Emmett Teller analysis, UV-vis diffuse reflectance spectroscopy, X-ray photoelectron spectra and X-ray fluorescence analysis. It was found that the S, Cu-codoped TiO2 became amorphous with the increase of Cu content, and copper on the surface of TiO2 existed in the oxidation state of Cu(II) while S in the form of S6+ species. And the codoped particles had higher surface area, smaller particle size, stronger spectral response in visible region compared with pure TiO2. The effects of doping amount in a wide range, catalyst dosage, and recycle on the photocatalytic activity of the codoped catalysts were investigated with Acid Orange 7 as the model compound under visible light illumination (lambda > 447 nm). The results showed that S (2.0 %), Cu (5.0 %) codoped TiO2 had the highest visible light photocatalytic activity and good reusability performance. The kinetic study showed that this photocatalytic process coincided with the Langmuir-Hinshelwood pseudo first order reaction model.
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.isl.ac.cn/handle/363002/5698
专题	青海盐湖研究所知识仓储
作者单位	1.Zaozhuang Univ, Coll Chem Chem Engn & Mat Sci, Zaozhuang 277160, Peoples R China 2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
推荐引用方式 GB/T 7714	Yi, Wentao,Yan, Chunyan,Yan, Peng,et al. A new perspective for effect of S and Cu on the photocatalytic activity of S, Cu-codoped nano-TiO2 under visible light irradiation[J]. JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY,2014,69(2):386-396.
APA	Yi, Wentao,Yan, Chunyan,Yan, Peng,&Li, Faqiang.(2014).A new perspective for effect of S and Cu on the photocatalytic activity of S, Cu-codoped nano-TiO2 under visible light irradiation.JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY,69(2),386-396.
MLA	Yi, Wentao,et al."A new perspective for effect of S and Cu on the photocatalytic activity of S, Cu-codoped nano-TiO2 under visible light irradiation".JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY 69.2(2014):386-396.