A strategy to design highly efficient porphyrin sensitizers for dye-sensitized solar cells |
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| Authors: | Chang Yu-Cheng Wang Chin-Li Pan Tsung-Yu Hong Shang-Hao Lan Chi-Ming Kuo Hshin-Hui Lo Chen-Fu Hsu Hung-Yu Lin Ching-Yao Diau Eric Wei-Guang |
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| Institution: | Department of Applied Chemistry and Institute of Molecular Science, National Chiao Tung University, Hsinchu 300, Taiwan. |
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| Abstract: | We designed highly efficient porphyrin sensitizers with two phenyl groups at meso-positions of the macrocycle bearing two ortho-substituted long alkoxyl chains for dye-sensitized solar cells; the ortho-substituted devices exhibit significantly enhanced photovoltaic performances with the best porphyrin, LD14, showing J(SC) = 19.167 mA cm(-2), V(OC) = 0.736 V, FF = 0.711, and overall power conversion efficiency η = 10.17%. |
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