@article{Xu_2013,
title={Facile synthesis of TiO2 hierarchical microspheres assembled by ultrathin nanosheets for dye-sensitized solar cells},
volume={574},
ISSN={0925-8388},
url={http://dx.doi.org/10.1016/j.jallcom.2013.04.119},
DOI={10.1016/j.jallcom.2013.04.119},
journal={Journal of Alloys and Compounds},
publisher={Elsevier BV},
author={Xu,
Fang and Zhang,
Xuyan and Wu,
Yao and Wu,
Dapeng and Gao,
Zhiyong and Jiang,
Kai},
year={2013},
month=oct,
pages={227–232} }