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Studies of high-efficient and low-cost dye-sensitized solar cells |
Qingqing MIAO, Mingxing WU, Wei GUO, Tingli MA( ) |
State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China |
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Abstract Dye-sensitized solar cell (DSSC) is a new type of photoelectric device. To commercialize DSSC successfully, it is necessary to further improve the efficiency of energy conversion and reduce its cost. Nitrogen-doped (N-doped) TiO2 photoanode, the carbon counter electrode (CE), and a new type of hybrid photoanode were investigated in this study. The conversion efficiency of the DSSC reached by 10.10% as the DSSC was fabricated with the N-doped photoanode, and this efficiency is much higher than that of the undoped-DSSC with 8.90%; as the low-cost carbon was used as CE, the efficiency of the DSSC was 7.50%, it was as samilar as that of Pt CE (7.47%); the hybrid DSSC with multilayer photoanode by the film-transfer technique achieved a panchromatic response and a superposed short circuit current density (JSC) by using two complementary dyes.
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Keywords
high-efficiency
dye-sensitized solar cell (DSSC)
hybrid
nitrogen-doped (N-doped) TiO2
carbon counter electrode (CE)
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Corresponding Author(s):
MA Tingli,Email:tinglima@dlut.edu.cn
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Issue Date: 05 March 2011
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