Partially dyed-TiO2 dispersions for adaptation to the continuous fabrication of photoanodes |
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Authors: | Hyunho Kim Yun Hwa Hwang Gyoujin Cho Donghwan Kim Namsoo Lim Myoungho Pyo |
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Affiliation: | aDepartment of Printed Electronics Engineering in World Class University program, Sunchon National University, Sunchon, Chonnam 540-742, Republic of Korea;bPrinted Electronics Research Center, Paru Co., Sunchon, Chonnam 540-813, Republic of Korea |
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Abstract: | A new fabrication method of photoanodes for dye-sensitized solar cells (DSCs) is proposed using partially N3-dyed-TiO2 nanoparticle dispersions. The photoanode fabrication method presented here is contrasted with a conventional low-temperature compression process, in that a time-consuming dye-adsorption step can be omitted, making DSCs more adaptable to a continuous printing process. The effects of the amount of dye-loadings, the degree of compression, and the film thickness on photovoltaic performances were examined. All processes were conducted at room temperature. The optimized film composed of partially dyed-TiO2 led to sufficient interparticle connections to reach a power conversion efficiency of 5.0% under 100 mW cm−2 AM1.5 illumination. |
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Keywords: | Dye-sensitized solar cell Partially dyed-TiO2 Printing Low temperature |
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