Fabrication of Porous TiO2 Electrodes from P25 Powder by Chemical Technique for Dye-Sensitized Solar Cells

Yuan Yan; Jin Zhong Wang; Quan Hong Chang

doi:10.4028/www.scientific.net/AMR.706-708.122

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 706-708Fabrication of Porous TiO2 Electrodes from P25...

Fabrication of Porous TiO₂ Electrodes from P25 Powder by Chemical Technique for Dye-Sensitized Solar Cells

Abstract:

We presented a novel chemical technique to prepare TiO₂ screen-printing from commercially available P25 powder to fabricate high performance and transparent porous TiO₂ electrodes for dye-sensitized solar cells (DSCs). In this new method, acetic acid was modified on TiO₂ surface as dispersant to overcome the aggregation problem and achieve efficient dispersion of P25 powder in water; The modified TiO₂ powder was configured into viscous paste by flocculating reaction with hydrochloric acid. The porous transparent films over 12μm thickness without cracking and peeling-off were fabricated on FTO substrates. A remarkably conversion efficiency of 8.1% was achieved.

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Periodical:

Advanced Materials Research (Volumes 706-708)

Pages:

122-125

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.706-708.122

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Online since:

June 2013

Authors:

Yuan Yan, Jin Zhong Wang, Quan Hong Chang

Keywords:

Chemical Dispersion, Dye Sensitized Solar Cell (DSSC), Flocculation, P25 Powder, Porous TiO₂ Electrodes

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