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Acta Phys. -Chim. Sin.  2001, Vol. 17 Issue (02): 177-180    DOI: 10.3866/PKU.WHXB20010218
Note     
Preparation of TiO2 Nanoparticles by Hydrothermal Method and its Application for Photoelectrochemical Cell
Gao En-Qin;Zhang Li;Yang Mai-Zhi;Cai Sheng-Min
College of Chemistry and Molecular Engineering,Peking University,Beijing 100871;Suzhou Teacher′s College,Su Zhou 234000
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Abstract  By varying the hydrolysis and hydrothermal processing parameters in preparing TiO2 nanoparticles different sizes of TiO2 nanoparticles are obtained.(1) At higher autoclaving temperature,lower pH and longer autoclaving period,larger sizes of TiO2 nanoparticles are prepared.(2) The nanoporous electrodes made from sintering smaller TiO2 nanoparticles show relatively poor IPCE and low absorption in UVVis spectrum,(3) Higher IPCE can be achieved with TiO2 nanoporous electrodes made from sintering larger TiO2 nanoparticles.These electrodes are suitable for studying behavior of the photoelectrochemistry of dye sensitized nanoporous electrodes.

Key wordsHydrothermal method      TiO2 nanoparticle      Dye sensitization       Photoelectrochemistry     
Received: 01 May 2000      Published: 15 February 2001
Corresponding Authors: Cai Sheng-Min     E-mail: caism@pku.edu.cn
Cite this article:

Gao En-Qin;Zhang Li;Yang Mai-Zhi;Cai Sheng-Min. Preparation of TiO2 Nanoparticles by Hydrothermal Method and its Application for Photoelectrochemical Cell. Acta Phys. -Chim. Sin., 2001, 17(02): 177-180.

URL:

http://www.whxb.pku.edu.cn/10.3866/PKU.WHXB20010218     OR     http://www.whxb.pku.edu.cn/Y2001/V17/I02/177

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