Hydrothermal synthesis of different TiO2 nanostructures: structure, growth and gas sensor properties |
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| Authors: | Long Huang Tianmo Liu Hejing Zhang WeiWei Guo Wen Zeng |
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| Affiliation: | 1. College of Materials Science and Engineering, Chongqing University, Chongqing, 400044, People’s Republic of China
2. National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing, 400044, People’s Republic of China
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| Abstract: | A type of titanium precursor, H-exchanged titanate nanobelts, was used to prepare nanosized anatase titanium dioxide (TiO2) with various morphologies by hydrothermal method. Nanorods, nanobelts, nano-polyhedrons and nanoparticles were successfully synthesized. We found that CTAB and EDTA-4Na+ play critical roles in synthesizing the nanorods and nano-polyhedrons. All the samples exhibit rapid response and recovery time to ethanol, but Nanorods, nanobelts and nano-polyhedrons show lager response than nanoparticles. |
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