Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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DSSCs Efficiencies of PEG Additive In TiO2 Paste

TiO2 Paste에 PEG 첨가에 따른 DSSC의 효율 특성

  • Kwon, Sung-Yeol (Department of Electrical Engineering, Pukyong National University) ;
  • Yang, Wook (Department of Electrical Engineering, Pukyong National University) ;
  • Zhang, Zi-Heng (Department of Electrical Engineering, Graduate School Pukyong National University)
  • 권성열 (부경대학교 전기공학과) ;
  • 양욱 (부경대학교 전기공학과) ;
  • 장자항 (부경대학교 대학원 전기공학과)
  • Received : 2014.09.19
  • Accepted : 2014.10.10
  • Published : 2014.11.01
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Abstract

Photo electrode is an important component of DSSC, so this paper did some research on it. Through the method of adding PEG additive into $TiO_2$ paste, the electrical characteristics and efficiencies of DSSCs with photo electrode surface area were studied. In the case of not adding PEG in $TiO_2$ paste, $26{\mu}m$ thickness $TiO_2$ photo electrode shows 5.081% efficiency. The highest short circuit current density was $10.476mA/cm2^$. The structure of porous $TiO_2$ film can be controlled through changing the PEG additive amount in $TiO_2$ paste and the molecular weight of PEG. When the additive amount of PEG 20,000 in $TiO_2$ paste reaches 5%, the peak efficiency with $26{\mu}m$ thickness $TiO_2$ photo electrode was 5.387% and its highest current density were $11.084mA/cm^2$.

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References

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