Applied Science and Convergence Technology

The Korean Vacuum Society (한국진공학회)
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PEDOT:PSS Thin Films with Different Pattern Structures Prepared Using Colloidal Template

  • Yu, Jung-Hoon (Department of Chemistry, Sungkyunkwan University) ;
  • Lee, Jin-Su (Department of Chemistry, Sungkyunkwan University) ;
  • Nam, Sang-Hun (Institute of Basic Science, Sungkyunkwan University) ;
  • Boo, Jin-Hyo (Department of Chemistry, Sungkyunkwan University)
  • Received : 2014.09.16
  • Accepted : 2014.09.30
  • Published : 2014.09.30
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Abstract

Organic solar cells have attracted extensive attention as a promising approach for cost-effective photovoltaic devices. However, organic solar cell has disadvantage of low power conversion efficiency in comparison with other type of solar cell, due to the recombination ratio of hole and electron is too large in the active layer. Thus we have change the surface structure of PEDOT:PSS layers to improve the current density by colloidal lithography method using various-size of polystyrene sphere. The two types of coating method were applied to fabricate the different pattern shape and height, such as spin coating and drop casting. Using the organic solvent, we easily eliminate the PS sphere and could make the varied pattern shapes by controlling the wet etching time. Also we have measured the electrical properties of patterned PEDOT:PSS film to check whether it is suitable for organic photovoltaics.

Keywords

References

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