TiOx Concentration Dependence of OPV Efficiency Optimization

Anusit Keawprajak; Phimwipha Piyakulawat; Joerg Wlosnewski; Phansak Iamraksa; Chaiyuth Saekung; Udom Asawapirom

doi:10.4028/www.scientific.net/AMR.93-94.517

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 93-94TiOx Concentration Dependence of OPV Efficiency...

TiO_x Concentration Dependence of OPV Efficiency Optimization

Abstract:

Titanium oxide TiOx material is used as electron transporter in organic photovoltaic cells (OPV). The layer was prepared between P3HT:PCBM as the active layer and the and aluminum electrode by spin coating technique. The synthesis and characterization of TiOx is described. Using Raman spectroscopy technique TiOx crystals show anatase structure. Varied concentrations of TiOx and isopropanol solvent were performed. The most optimized device efficiencies up to 2,0% was achieved at a 1:20 ratio, which indicated more than 50% efficiency enhancement comparing with the device without TiOx layer. The major improvement of the cell was originated from photocurrent enhancement.

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Advanced Materials Research (Volumes 93-94)

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517-520

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.93-94.517

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Online since:

January 2010

Authors:

Anusit Keawprajak, Phimwipha Piyakulawat, Joerg Wlosnewski, Phansak Iamraksa, Chaiyuth Saekung, Udom Asawapirom

Keywords:

Anatase, Bulk Heterojunction Solar Cell, Organic Photovoltaics, Sol-Gel (SG), Titanium Oxide

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