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Citation: SU Bitao, SHAO Kerang, LI Jianjiao, XIN Junlian, LEI Ziqiang. Preparation and Photocatalytic Property of Titanium (Ⅳ) Dopped Zinc Oxide Nanofiber Materials with Multi-wall Structure[J]. Chinese Journal of Applied Chemistry, ;2015, 32(10): 1170-1176. doi: 10.11944/j.issn.1000-0518.2015.10.150021 shu

Preparation and Photocatalytic Property of Titanium (Ⅳ) Dopped Zinc Oxide Nanofiber Materials with Multi-wall Structure

1.
Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education of China, Key Laboratory of Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou 730070, China

Corresponding author: SU Bitao,
Received Date: 19 January 2015
Available Online: 30 March 2015
Fund Project: 甘肃省科技计划项目(1204GKCA006) (1204GKCA006)国家自然科学基金项目(21174114) (21174114)教育部"长江学者和创新团队发展计划"创新团队项目(IRT1177) (IRT1177)甘肃省自然科学基金项目(1010RJZA024) (1010RJZA024)西北师范大学科技创新项目(nwnu-kjcxgc-03-63) (nwnu-kjcxgc-03-63)

Ti⁴⁺/ZnO nanofiber materials with multi-wall structures were prepared by the template-assisted two-step method and characterized by thermogravimetric analysis (TG),X-ray diffraction (XRD) and scanning electron microscopy (SEM) techniques.The effect of Ti⁴⁺ doping amount (0.000~0.200 at.%) on the photocatalytic property of ZnO nanofiber materials was studied by the model degradation reaction of methylene blue (MB).The results show that Ti⁴⁺/ZnO nanofiber materials with multi-wall structures are successfully prepared via the templated-assisted two-step method,doping Ti⁴⁺ can greatly change the nano-structure of the Ti⁴⁺/ZnO fiber materials,and the photocatalytic activity of Ti⁴⁺/ZnO nanofiber materials are higher than that of ZnO.The improved photocatalytic activity of Ti⁴⁺/ZnO multi-wall nanofibers can be mainly ascribed to the formation of the active site-O^2--Ti⁴⁺-O^2--Zn²⁺-and the efficient migration of the photogenerated charges e^--h⁺ from particle to particle in Ti⁴⁺/ZnO.
- titanium (Ⅳ) dopping,
- zinc oxide,
- nano-structured fiber material,
- template-assisted two-step method,
- characterization,
- photocatalytic property
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