Nano-CdS confined within titanate nanotubes for efficient photocatalytic hydrogen production under visible light illumination

doi:10.1088/0957-4484/25/3/035603

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	Nano-CdS confined within titanate nanotubes for efficient photocatalytic hydrogen production under visible light illumination
	Long, Lizhen 1,2; Yu, Xiang 3; Wu, Liangpeng1 ; Li, Juan1 ; Li, Xinjun1
	2014-01-24
发表期刊	NANOTECHNOLOGY
卷号	25 期号:3
摘要	CdS nanoparticles were confined within titanate nanotubes (TNTs) by an ion-exchange reaction and a subsequent sulfurization process. Prior to the ion-exchange reaction, the exterior surfaces of the TNTs were modified by a silane coupling agent to make CdS nanoparticles selectively deposit on the inner wall. The composites were characterized by high-resolution transmission electron microscopy, powder x-ray diffraction, inductively coupled plasma atomic emission spectrometry, N-2 adsorption-desorption and UV-vis absorption spectra. The results confirm that CdS in the range of 2-3 nm in diameter are confined within the inner cavity of the TNTs. CdS confined within TNTs shows a significant blue-shift of the absorption band edge compared with CdS nanoparticles deposited on the exterior surface of TNTs. Also the TNTs-confined CdS composite exhibits enhanced photocatalytic activity and photostability for hydrogen evolution under visible light illumination due to the quantum size effect of CdS as a result of the spatial confinement effect of the TNTs.
文章类型	Article
关键词	Cds Nanoparticles Titanate Nanotubes Confinement Effect Hydrogen Production Quantum Size Effect
WOS标题词	Science & Technology ; Technology ; Physical Sciences
DOI	10.1088/0957-4484/25/3/035603
研究领域[WOS]	Science & Technology - Other Topics ; Materials Science ; Physics
关键词[WOS]	TIO2 NANOTUBES ; CADMIUM-SULFIDE ; WATER ; ARCHITECTURE ; IRRADIATION ; EVOLUTION ; SIZE
收录类别	SCI
语种	英语
WOS类目	Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS记录号	WOS:000329040400014
引用统计	被引频次：33[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.giec.ac.cn/handle/344007/10629
专题	中国科学院广州能源研究所
作者单位	1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Jinan Univ, Analyt & Testing Ctr, Guangzhou 510632, Guangdong, Peoples R China
第一作者单位	中国科学院广州能源研究所
推荐引用方式 GB/T 7714	Long, Lizhen,Yu, Xiang,Wu, Liangpeng,et al. Nano-CdS confined within titanate nanotubes for efficient photocatalytic hydrogen production under visible light illumination[J]. NANOTECHNOLOGY,2014,25(3).
APA	Long, Lizhen,Yu, Xiang,Wu, Liangpeng,Li, Juan,&Li, Xinjun.(2014).Nano-CdS confined within titanate nanotubes for efficient photocatalytic hydrogen production under visible light illumination.NANOTECHNOLOGY,25(3).
MLA	Long, Lizhen,et al."Nano-CdS confined within titanate nanotubes for efficient photocatalytic hydrogen production under visible light illumination".NANOTECHNOLOGY 25.3(2014).