Preparation and characterization of low temperature sintering nanocrystalline TiO2 prepared via the sol-gel method using titanium(IV) butoxide applicable to flexible dye sensitized solar cells

Author:

Bazargan M. Hossein1,Byranvand M. Malekshahi2,Kharat A. Nemati2

Affiliation:

1. Iranian Research Organization for Science and Technology (IROST), Tehran. Iran

2. School of Chemistry, University College of Science, University of Tehran, Tehran, Iran

Abstract

Abstract Low temperature nanocrystalline titanium dioxide particles were prepared via the sol-gel method using titanium(IV) butoxide for fabrication of flexible dye sensitized solar cells. The prepared sample was characterized using X-ray powder diffraction, specific surface area, transmission electron microscopy, scanning electron microscopy and atomic force microscopy. Results confirm that the synthesized sample was highly crystalline anatase TiO2 with an average particle size of 35 nm. The measured specific surface area for TiO2 powder and average surface roughness for TiO2 film were 61.11 m2 g−1 and 17.25 nm respectively. The prepared nano-scale TiO2 was then employed to fabricate flexible dye sensitized solar cell via the low temperature sintering and operated with a platinum counter electrode. The solar energy conversion efficiency for the cell fabricated with TiO2 nanoparticles was about 0.85%.

Publisher

Walter de Gruyter GmbH

Subject

Materials Chemistry,Metals and Alloys,Physical and Theoretical Chemistry,Condensed Matter Physics

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