期刊
RSC ADVANCES
卷 6, 期 12, 页码 9717-9724出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra23451d
关键词
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资金
- Science and technology innovation project of Shanxi Province Education Department [20121026]
- Jinzhong University
- Japan Society for the Promotion of Science and Kagawa University [26289240]
{110}-faceted rutile TiO2 nanocrystals with nanorods and nanoflower morphologies were synthesized through simple hydrothermal treatment of a tetratitanate nanoribbons precursor. The nanostructures and the formation reaction mechanism of the rutile TiO2 nanocrystals from the layered tetratitanate nanoribbons were investigated using X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), transmission electron microscope (TEM) and selected-area electron diffraction (SAED). The transformation from the layered phase into the rutile TiO2 may experience several stages during the hydrothermal reaction including dissolution of nanoribbons, recrystallization of [Ti(OH)(6)](2-) octahedral fragments, and part dissolution and aggregation of the rutile TiO2 nanorods. Furthermore, the dye-sensitized solar cell (DSSC) performance of the synthesized rutile nanocrystals was also characterized, which showed a superior photovoltaic performance, compared to the benchmark P25 TiO2.
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