CROSS-DISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY |
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Efficient Natural Dye-Sensitized Solar Cells Based on Spin-Coated TiO2 Anode Materials |
YU Xiao-Hong1, SUN Zhao-Zong1, LIAN Jie1**, LI Yi-Tan2, CHEN Yan-Xue2, GAO Shang1, WANG Xiao1, WANG Ying-Shun1, ZHAO Ming-Lin1 |
1Department of Optical Engineering, Shandong University, Jinan 250100 2School of Physics, Shandong University, Jinan 250100
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Cite this article: |
YU Xiao-Hong, SUN Zhao-Zong, LIAN Jie et al 2013 Chin. Phys. Lett. 30 118801 |
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Abstract TiO2 anode materials are prepared on ITO glass by spin-coated method. Dye-sensitized solar cells are assembled with these anodes and natural dyes extracted from radix ophiopogonis by different solvents. The formation and characterization of anode materials are confirmed by field-emission scanning electron microscopy, x-ray diffraction, UV-visible absorption spectroscopy. Photovoltaic testing results show that energy conversion efficiency could reach 1.67% with fill factor of 0.51, open-circuit voltage of 457 mV, and short-circuit photocurrent density of 7.2 mA/cm2. The short-circuit photocurrent density can reach 7.6 mA/cm2 with efficiency of 1.33.
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Received: 10 April 2013
Published: 30 November 2013
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PACS: |
88.40.hj
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(Efficiency and performance of solar cells)
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78.55.Mb
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(Porous materials)
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84.60.Jt
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(Photoelectric conversion)
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