Influence of Yb-Doped Nanoporous TiO2 Films on Photovoltaic Performance of Dye-Sensitized Solar Cells
XU Wei-Wei, DAI Song-Yuan, HU Lin-Hua, LIANG Lin-Yun, WANG Kong-Jia
Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031
Influence of Yb-Doped Nanoporous TiO2 Films on Photovoltaic Performance of Dye-Sensitized Solar Cells
XU Wei-Wei;DAI Song-Yuan; HU Lin-Hua;LIANG Lin-Yun;WANG Kong-Jia
Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031
关键词 ：
84.60.Jt ,
68.55.Jk ,
68.55.Ln
Abstract ： Yb-doped TiO2 pastes with different Yb/TiO2 weight ratios are prepared in the sol-gel process to obtain dye-sensitized solar cells (DSCs). The nanocrystalline size of Yb-TiO2 becomes smaller and the lattice parameters change. Lattice distortion is observed and dark current is detected. It is found that a part of Yb existing as insulating oxide Yb2 O3 state acts as barrier layers at the electrode--electrolyte interface to suppress charge recombination. A Yb-doped TiO2 electrode applied in DSCs leads to a higher open-circuit voltage and a higher fill factor. How the Yb-doped TiO2 films affect the photovoltaic response of DSCs is discussed.
Key words ：
84.60.Jt
68.55.Jk
68.55.Ln
出版日期: 2006-08-01
:
84.60.Jt
(Photoelectric conversion)
68.55.Jk
68.55.Ln
(Defects and impurities: doping, implantation, distribution, concentration, etc.)
引用本文:
XU Wei-Wei;DAI Song-Yuan; HU Lin-Hua;LIANG Lin-Yun;WANG Kong-Jia. Influence of Yb-Doped Nanoporous TiO2 Films on Photovoltaic Performance of Dye-Sensitized Solar Cells[J]. 中国物理快报, 2006, 23(8): 2288-2291.
2 Films on Photovoltaic Performance of Dye-Sensitized Solar Cells. Chin. Phys. Lett., 2006, 23(8): 2288-2291.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2006/V23/I8/2288
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2006, Vol. 23 
