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High efficiency monobasal solid-state dye-sensitized solar cell with mesoporous TiO2 beads as photoanode |
Heng WANG, Peng XIANG, Mi XU, Guanghui LIU, Xiong LI, Zhiliang KU, Yaoguang RONG, Linfeng LIU, Min HU, Ying YANG, Hongwei HAN() |
Michael Gr?tzel Center for Mesoscopic Solar Cells, Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China |
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Abstract A monobasal solid-state dye-sensitized solar cell (ssDSC) with mesoporous TiO2 beads was developed and an efficiency of 4% was achieved under air mass (AM) 1.5 illumination. Scattering properties and electron diffusion coefficients of TiO2 mesoporous beads and P25 nano-particles were investigated. The results show that TiO2 mesoporous beads display higher scatterance than P25 nano-particles, and TiO2 mesoporous beads have higher electron diffusion coefficients (2.86 × 10-5 cm2?s-1) than P25 nano-particles (2.26 × 10-5 cm2?s-1).
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Keywords
dye-sensitized solar cells (DSCs)
mesoporous beads
scattering
electron diffusion coefficients
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Corresponding Author(s):
HAN Hongwei,Email:hongwei.han@mail.hust.edu.cn
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Issue Date: 05 December 2013
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