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Materials 2018, 11(6), 995; https://doi.org/10.3390/ma11060995

Synthesis of Various TiO2 Micro-/Nano-Structures and Their Photocatalytic Performance

1
Faculty of Mechanical & Material Engineering, Huaiyin Institute of Technology, Huaian 223003, China
2
College of Material Science and Engineering, Nanjing Tech University, Nanjing 21009, China
3
Faculty of Mathematics and Physics, Huaiyin Institute of Technology, Huaian 223003, China
4
Jiangsu Engineering Laboratory for Lake Environment Remote Sensing Technologies, Faculty of Electronic Information Engineering, Huaiyin Institute of Technology, Huaian 223003, China
*
Author to whom correspondence should be addressed.
Received: 29 April 2018 / Revised: 29 May 2018 / Accepted: 4 June 2018 / Published: 12 June 2018
(This article belongs to the Special Issue Photocatalysis for Wastewater Treatment)
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Abstract

TiO2 micro-/nano-structures with different morphologies have been successfully synthesized via a hydrothermal method. The effects of the solvents on the morphology and structure of the obtained products have been studied. The objective of the present paper is to compare the photocatalytic properties of the obtained TiO2 products. During the synthesis process, the tetrabutyl titanate and titanium (IV) fluoride were used as the titanium source. The obtained micro-/nano-structures were characterized by field-emission scanning electron microscopy, X-ray diffraction analysis, and nitrogen adsorption-desorption isotherms. The photocatalytic activity of the samples was evaluated by the degradation of Rhodamine B solution under simulated solar irradiation. It is found that the morphologies and structures of TiO2 have a great influence on its photocatalytic activity. Compared with other samples, TiO2 flower clusters assembled with nanorods exhibited a superior photocatalytic activity in the degradation of Rhodamine B. View Full-Text
Keywords: TiO2; different morphologies; photocatalytic activity; formation mechanisms TiO2; different morphologies; photocatalytic activity; formation mechanisms
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Deng, A.; Zhu, Y.; Guo, X.; Zhou, L.; Jiang, Q. Synthesis of Various TiO2 Micro-/Nano-Structures and Their Photocatalytic Performance. Materials 2018, 11, 995.

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