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Structure, chemical state and photocatalytic activity of TiO2-x nanostructured thin films by glancing angle deposition technique
Wang, Bin; Qi, Hongji; Liu, Zhongqing; Jin, Yaxue; Wang, Hu; Yuan, Jiali; Zhao, Jiaoling; Shao, Jianda; qhj@siom.ac.cn; liuzq_hgxy@scu.edu.cn
2017
Source PublicationJ. Alloy. Compd.
Volume716Pages:299
AbstractNonstoichiometric titanium dioxide nanostructured thin film (TNF) has attracted a range of interest in the green energy field. In this paper, we introduce the glancing angle deposition (GLAD) technique to produce the amorphous TNFs with discrete nanoscale columnar structures. In order to improve the crystallinity and/or gain the Ti3+ doped states, amorphous TNFs were annealed at 400 C-omicron in air or H-2. XRD, SEM, AFM, XPS and PL were used to characterize the crystallization structure morphology, chemical state, PL properties of the TNFs with different annealing conditions. Photocatalytic activities of the samples were reflected by decolorization experiments of methylene blue (MB) solution irradiated by the simulated sunlight light of AM 1.5 G. The photocatalytic activity of amorphous TNF is higher than that of conventional TiO2 thin film, indicating the prominent properties of nanostructures. Compared with annealing in air, the photocatalytic activity of TiO2-x nanostructures annealed in hydrogen is further increased and higher. The results demonstrated that Ti3+ and oxygen vacancies were beneficial and played the dominant role for the enhancement of photocatalytic activity. (C) 2017 Published by Elsevier B.V.
SubtypeArticle
Department材料
DOI10.1016/j.jallcom.2017.05.041
Funding OrganizationNational Natural Science Foundation of China [21376154]; State Key Program of National Natural Science of China [11535010] ; National Natural Science Foundation of China [21376154]; State Key Program of National Natural Science of China [11535010] ; National Natural Science Foundation of China [21376154]; State Key Program of National Natural Science of China [11535010] ; National Natural Science Foundation of China [21376154]; State Key Program of National Natural Science of China [11535010]
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China [21376154]; State Key Program of National Natural Science of China [11535010] ; National Natural Science Foundation of China [21376154]; State Key Program of National Natural Science of China [11535010] ; National Natural Science Foundation of China [21376154]; State Key Program of National Natural Science of China [11535010] ; National Natural Science Foundation of China [21376154]; State Key Program of National Natural Science of China [11535010]
WOS IDWOS:000402924500036
Citation statistics
Document Type期刊论文
Identifierhttp://ir.siom.ac.cn/handle/181231/28188
Collection中科院强激光材料重点实验室
Corresponding Authorqhj@siom.ac.cn; liuzq_hgxy@scu.edu.cn
Affiliation中国科学院上海光学精密机械研究所
Recommended Citation
GB/T 7714
Wang, Bin,Qi, Hongji,Liu, Zhongqing,et al. Structure, chemical state and photocatalytic activity of TiO2-x nanostructured thin films by glancing angle deposition technique[J]. J. Alloy. Compd.,2017,716:299.
APA Wang, Bin.,Qi, Hongji.,Liu, Zhongqing.,Jin, Yaxue.,Wang, Hu.,...&liuzq_hgxy@scu.edu.cn.(2017).Structure, chemical state and photocatalytic activity of TiO2-x nanostructured thin films by glancing angle deposition technique.J. Alloy. Compd.,716,299.
MLA Wang, Bin,et al."Structure, chemical state and photocatalytic activity of TiO2-x nanostructured thin films by glancing angle deposition technique".J. Alloy. Compd. 716(2017):299.
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