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Rectangular rutile TiO2 nanorod arrays grown on TiO2 nanotubes and enhanced visible light photocatalytic activity

BITAO LIU1,2, TING SUN3, LIANGSHENG GE3, JIAFU XU3, HAIYAN YU3, YA WANG3, LIANGLIANG TIAN4,3,* , WEI XIAO4,3,*

Affiliation

  1. College of Materials and Chemical Engineering, Chongqing University of Arts and Sciences, Chongqing, 402160, China
  2. Department of Research Center for Materials Interdisciplinary Science, Chongqing U niversity of Arts and Sciences, Chongqing, 402160, China
  3. Department of Research Center for Materials Interdisciplinary Science, Chongqing University of Arts and Sciences, Chongqing, 402160, China
  4. College of Materials and Chemical Engineering , Chongqing University of Arts and Sciences, Chongqing, 402160, China

Abstract

TiO2 nanorods (NRs) grow th on the mix phased porous TiO2 nanotubes (NTs) was synthesized by an emulsion electrospinning and hydrothermal process. The as obtained new structure of TiO2NRs/NTs was then characterized by field emission scanning electron microscopy (FESEM), transmiss ion electron microscopy (TEM), and X-ray diffraction pattern (The photocatalytic activity was also investigated. It was found that this newly structured TiO2 photocatalyst exhibited enhanced photocatalytic activity under visible light irradiation, which should ascribe to its efficient electron hole separat ion in this new structure..

Keywords

Functional, Nanocrystalline materials, Crystal structure.

Citation

BITAO LIU, TING SUN, LIANGSHENG GE, JIAFU XU, HAIYAN YU, YA WANG, LIANGLIANG TIAN, WEI XIAO, Rectangular rutile TiO2 nanorod arrays grown on TiO2 nanotubes and enhanced visible light photocatalytic activity, Optoelectronics and Advanced Materials - Rapid Communications, 9, 1-2, January-February 2015, pp.134-138 (2015).

Submitted at: Nov. 25, 2013

Accepted at: Jan. 21, 2015