Effect of 4-tert-Butylpyridine on the Quasi-Fermi Level of Dye-Sensitized TiO2 Films

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概要

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• We investigated the effect of 4-tert-butylpyridine (TBP) on the quasi-Fermi level (QFL) of dye-sensitized TiO2 films by using a dye-sensitized solar cell (DSC) with three electrodes. The QFL of the TiO2 films increased with increasing TBP concentration, which proves that the TBP-induced increase in open-circuit voltage of the DSC is due to a shift of the QFL to a higher potential. The shifted QFL by TBP at short circuit is demonstrated for the first time which is important information to research additives affecting $J_{\text{SC}}$ in DSCs.

• 2011-04-25

著者

• Yang Xudong

  The International Center for Young Scientists, National Institute for Materials Science, Tsukuba, Ibaraki 305-0047, Japan

• Yanagida Masatoshi

  Advanced Photovoltaics Center and International Center for Materials Nanoarchitectonics, National Institute for Materials Science, Tsukuba, Ibaraki 305-0047, Japan

• Han Liyuan

  Advanced Photovoltaics Center and International Center for Materials Nanoarchitectonics, National Institute for Materials Science, Tsukuba, Ibaraki 305-0047, Japan

• Zhang Shufang

  Advanced Photovoltaics Center and International Center for Materials Nanoarchitectonics, National Institute for Materials Science, Tsukuba, Ibaraki 305-0047, Japan

関連論文

• Effect of 4-tert-Butylpyridine on the Quasi-Fermi Level of Dye-Sensitized TiO2 Films
• Substituent Effects for Perylenedicarboxylic Anhydrides on the Performance of Dye-sensitized Solar Cells : The Simpler, the Better

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