Zhou Aiqiu, Xu Xiaohong, Yao Weifeng, Zeng Fanliang, Song Bangqiang. Preparation of Nano Bi12TiO20 Powders and Their Optical Absorption Characteristic[J]. Chinese Journal of Chemical Physics , 2004, 17(3): 305-308. doi: 10.1088/1674-0068/17/3/305-308
Citation: Zhou Aiqiu, Xu Xiaohong, Yao Weifeng, Zeng Fanliang, Song Bangqiang. Preparation of Nano Bi12TiO20 Powders and Their Optical Absorption Characteristic[J]. Chinese Journal of Chemical Physics , 2004, 17(3): 305-308. doi: 10.1088/1674-0068/17/3/305-308

Preparation of Nano Bi12TiO20 Powders and Their Optical Absorption Characteristic

doi: 10.1088/1674-0068/17/3/305-308
Funds:  Project supported by the Shandong Distinguished Middle-aged and Young Scientist Encourage and Reward.
  • Received Date: 2004-02-18
  • Nano-cystal Bi12 TiO20 powders have been prepared by the chemical solution decomposition( CSD)method using bismuth nitrate and titanium butoxide as the starting precusors. The powders were characterized by the thermogravimetry and differential thermal analysis(TG-DTA),X-ray diffractometry(XRD)and transmission electron microscopy(TEM). The formation mechanism of Bi12TiO20 naocrystal has been analyzed. The UV-Vis diffuse reflectance spectra of the prepared Bi12TiO20 powders were measured to determine their optical absorption characteristic. The results showed that pure nano-crystal Bi12TiO20 powders could be easily prepared from stoichiometric precursor solutions at the annealing temperature 1550℃. A broad optical absorption band between 560-385 nm (about 2. 2-3. 22 eV)was observed for the prepared nano-crystal Bi12TiO20 powders.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Preparation of Nano Bi12TiO20 Powders and Their Optical Absorption Characteristic

doi: 10.1088/1674-0068/17/3/305-308
Funds:  Project supported by the Shandong Distinguished Middle-aged and Young Scientist Encourage and Reward.

Abstract: Nano-cystal Bi12 TiO20 powders have been prepared by the chemical solution decomposition( CSD)method using bismuth nitrate and titanium butoxide as the starting precusors. The powders were characterized by the thermogravimetry and differential thermal analysis(TG-DTA),X-ray diffractometry(XRD)and transmission electron microscopy(TEM). The formation mechanism of Bi12TiO20 naocrystal has been analyzed. The UV-Vis diffuse reflectance spectra of the prepared Bi12TiO20 powders were measured to determine their optical absorption characteristic. The results showed that pure nano-crystal Bi12TiO20 powders could be easily prepared from stoichiometric precursor solutions at the annealing temperature 1550℃. A broad optical absorption band between 560-385 nm (about 2. 2-3. 22 eV)was observed for the prepared nano-crystal Bi12TiO20 powders.

Zhou Aiqiu, Xu Xiaohong, Yao Weifeng, Zeng Fanliang, Song Bangqiang. Preparation of Nano Bi12TiO20 Powders and Their Optical Absorption Characteristic[J]. Chinese Journal of Chemical Physics , 2004, 17(3): 305-308. doi: 10.1088/1674-0068/17/3/305-308
Citation: Zhou Aiqiu, Xu Xiaohong, Yao Weifeng, Zeng Fanliang, Song Bangqiang. Preparation of Nano Bi12TiO20 Powders and Their Optical Absorption Characteristic[J]. Chinese Journal of Chemical Physics , 2004, 17(3): 305-308. doi: 10.1088/1674-0068/17/3/305-308

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