Citation: ZHUANG Jia, QIN Hai-Yang, LI Lin-Feng, ZHOU Ying, JIA Chun-Yang, WAN Zhong-Quan, ZENG Xian-Guang. Hydrothermal Synthesis of a Dysmorphic Double Layer Structure TiO₂ Nanorod Films and Its Properties[J]. Chinese Journal of Inorganic Chemistry, ;2013, 29(5): 1057-1064. doi: 10.3969/j.issn.1001-4861.2013.00.179 shu

Hydrothermal Synthesis of a Dysmorphic Double Layer Structure TiO₂ Nanorod Films and Its Properties

1.
1. School of Materials Science and Engineering, Southwest Petroleum University, Chengdu 610500, China;

Corresponding author: QIN Hai-Yang,
Received Date: 13 December 2012
Available Online: 16 February 2013
Fund Project: 国家自然科学基金(No.51102245) (No.51102245)四川省材料腐蚀与防护重点实验室课题(No.2012CL04)资助项目。 (No.2012CL04)

A type of double layer(array-cluster)TiO₂ films were prepared with mixed solution of hydrochloric acid and tetrabutyl titanate (TBOT) by a hydrothermal method at specific reaction condition. It was found that the TiO₂ films on the substrate has a two-layer structure and has the tetragonal rutile phase observed from the field emission scaning electron microscopy (FESEM) and the X-ray diffraction (XRD). Moreover, the subjacent layer of the two-layer structure were TiO₂ rods array, while the supernatant layer was TiO₂ rods clusters, and microscopic structure of these rods all are made of smaller TiO₂ nanorods(25～65 nm). This two-layer structure of TiO₂ films can favors to acquiring more light and adsorbing more dye, and could provide a fast circulation channel for photon-generated electrons. The thickness of this type of TiO₂ films in supernatant layer can be varied by changing initial reactant concentration, growth time or substrate placed angles. And without any modification treatment, a light-to- electricity conversion effciency of DSSC with TiO₂ nanorod array-cluster films can enhance 2.6 time in comparison with only TiO₂ nanorod array films.
- hydrothermal method;nanorod films;TiO₂;array-clusters structure;light-to-electricity conversion efficiency
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Hydrothermal Synthesis of a Dysmorphic Double Layer Structure TiO2 Nanorod Films and Its Properties

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通讯作者: 陈斌, bchen63@163.com

Hydrothermal Synthesis of a Dysmorphic Double Layer Structure TiO₂ Nanorod Films and Its Properties