Facile Synthesis of TiO2 Hollow Spheres with High Photocatalytic Activity

LV Yuzhen; WANG Wei; ZHANG Shengnan; ZHOU You; LI Chengrong

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Facile Synthesis of TiO2 Hollow Spheres with High Photocatalytic Activity

LV Yuzhen 1 * #,WANG Wei 1,ZHANG Shengnan 1,ZHOU You 2,LI Chengrong 2

1.School of Energy, Power and Mechanical Engineering, North China Electric Power University, Beijing, 102206

2.State key laboratory of alternate electrical power system with renewable energy sources Beijing key laboratory of high voltage & EMC, North China Electric Power University, Beijing, 102206

*Correspondence author

#Submitted by

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Funding: Specialized Research Fund for the Doctoral Program of Higher Education （No.No.20090036120005）

Opened online:28 December 2012

Accepted by: none

Citation: LV Yuzhen,WANG Wei,ZHANG Shengnan.Facile Synthesis of TiO2 Hollow Spheres with High Photocatalytic Activity[OL]. [28 December 2012] http://en.paper.edu.cn/en_releasepaper/content/4503394

TiO2 hollow spheres were synthesized through a facile bubble-template hydrothermal method. Microscopic and diffraction data indicated that the well-crystallized rutile-phase product was composed of self-assembly nanorods with an average diameter of 35 nm. The as-grown product showed high photocatalytic activities in degradation of organic pollutants such as rhodamine B under UV irradiation. It was found that almost all rhodamine B can be decomposed after only 30 minutes of UV irradiation. The enhanced photocatalytic performances were probably attributed to the structure of TiO2 hierarchical hollow spheres, which supplied higher specific surface area and faster electron transport.

Keywords:Material science; TiO2 hollow spheres;hydrothermal method; self-assembly nanorods; photocatalytic activity

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