Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Enhancement of Photoelectric Efficiency in a Dye-sensitized Solar Cell Using Hollow TiO2 Nanoparticles as an Overlayer

  • Lee, Kyoung-No (Department of Metallurgy and Materials Science, Hanyang University) ;
  • Kim, Woo-Byoung (Department of Energy Engineering, Dankook University) ;
  • Lee, Caroline Sunyong (Department of Metallurgy and Materials Science, Hanyang University) ;
  • Lee, Jai-Sung (Department of Metallurgy and Materials Science, Hanyang University)
  • Received : 2013.03.26
  • Accepted : 2013.04.20
  • Published : 2013.06.20
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Abstract

$TiO_2$ hollow nanoparticles (HNPs) and their light scattering effect which influences on the photoelectric conversion efficiency of a dye-sensitized solar cell (DSSC) were investigated. When only HNPs were employed in DSSC as the anode layer material, the conversion efficiency (e.g., 0.96%) was the lowest, possibly due to scattering loss of incident light. However, DSSC fabricated by using HNPs as a scattering overlayer on the $TiO_2$ nanoparticles (P-25), showed higher conversion efficiency (4.02%) than that without using HNPs (3.36%).

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