Room-Temperature Deposition of Nano-TiO2 Coating by Vacuum Cold Spraying Using TiCl4-Aagglomerated Nano-TiO2 Powder for Flexible Dye-Sensitized Solar Cell

Sheng Qiang Fan; Chang Jiu Li; Guan Jun Yang; Jin Cheng Gao; Ling Zi Zhang; Cheng Xin Li; Yu Yue Wang

doi:10.4028/www.scientific.net/KEM.373-374.742

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 373-374Room-Temperature Deposition of Nano-TiO2 Coating...

Room-Temperature Deposition of Nano-TiO₂ Coating by Vacuum Cold Spraying Using TiCl₄-Aagglomerated Nano-TiO₂ Powder for Flexible Dye-Sensitized Solar Cell

Abstract:

TiCl4 treatment was used to chemically agglomerate TiO2 primary nano-particles to form a nanostructured powder in size of submicrometer. Nanocrystalline TiO2 coatings were fabricated by vacuum cold spraying at room temperature using the powder and were employed to assemble dye-sensitized solar cells. TiO2 coating of 10-20μm in thickness was deposited successfully on both F-doped tin oxide (FTO) conducting glass and plastic conducting substrate. The assembled solar cell with an FTO conducting glass yielded a short-circuit current density of 9.7 mA/cm2 and an energy conversion efficiency of 3.3%. Using the plastic substrate, the cell efficiency was 1.9%. These results suggest that TiCl4-treated nanocrystalline TiO2 agglomerates can be used to deposit TiO2 coating by vacuum cold spraying at low temperature for flexible dye-sensitized solar cells.

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Periodical:

Key Engineering Materials (Volumes 373-374)

Pages:

742-745

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.373-374.742

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Online since:

March 2008

Authors:

Sheng Qiang Fan, Chang Jiu Li, Guan Jun Yang, Jin Cheng Gao, Ling Zi Zhang, Cheng Xin Li, Yu Yue Wang

Keywords:

Dye Sensitized Solar Cell (DSSC), Low-Temperature Fabrication, Nano-TiO₂, Vacuum Cold Spraying

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