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Ghanaatshoar M, Maleki S, asemi M. Influence of the pH on structural and optical properties of TiO2 nanoparticles: applicable in dye sensitized solar cells. ICOP & ICPET _ INPC _ ICOFS 2014; 20 :261-264
URL: http://opsi.ir/article-1-154-en.html
URL: http://opsi.ir/article-1-154-en.html
1- Laser and Plasma Research Institute, Shahid Beheshti University
Abstract: (7339 Views)
In this paper, TiO2 nanoparticles are prepared by sol gel method and the effect of initial solution pH on the structural and optical properties as well as particle size is investigated. Results show that pH<3 leads to anatase structure which is highly desirable in dye sensitized solar cells. In addition, for pH=2 we get the smallest particle size that is more suitable for dye solar cell applications. The obtained optical band gap energy for these nanoparticles is about 3.95 eV.
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