Transactions on Electrical and Electronic Materials

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Spray-coated Carbon Nanotube Counter Electrodes for Dye-sensitized Solar Cells

  • Lee, Won-Jae (Electric & Magnetic Devices Research Group, Korea Electrotechnology Research Institute) ;
  • Lee, Dong-Yun (Electric & Magnetic Devices Research Group, Korea Electrotechnology Research Institute) ;
  • Kim, In-Sung (Electric & Magnetic Devices Research Group, Korea Electrotechnology Research Institute) ;
  • Jeong, Soon-Jong (Electric & Magnetic Devices Research Group, Korea Electrotechnology Research Institute) ;
  • Song, Jae-Sung (Electric & Magnetic Devices Research Group, Korea Electrotechnology Research Institute)
  • Published : 2005.08.01
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Abstract

Carbon Nanotube(CNTs) counter electrode is a promising alternative to Platinum counter electrode for dye sensitized solar cells (DSSCs). In this study, CNT counter electrodes having different visible light transmittance were prepared on fluorine-doped tin oxide (FTO) glass surface by spray coating method. Microstructural images show that there are CNT-tangled region coated on FTO glass counter electrodes. Using such CNT counter electrodes and screen printed $TiO_2$ electrodes, DSSCs were assembled and its I-V characteristics have been studied and compared. Light energy conversion efficiency of DSSCs increased with decreasing in light transmittance of CNT counter electrode. Efficiency of DSSCs having CNT counter electrode is compatible to that of Pt counter electrode.

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References

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