Transactions on Electrical and Electronic Materials

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Characteristics of Ti Thin films and Application as a Working Electrode in TCO-Less Dye-Sensitized Solar Cells

  • Joo, Yong Hwan (Department of Electrical Engineering, Chosun University) ;
  • Kim, Nam-Hoon (Department of Electrical Engineering, Chosun University) ;
  • Park, Yong Seob (Department of Electronics, Chosun College of Science and Technology)
  • Received : 2016.12.16
  • Accepted : 2017.04.04
  • Published : 2017.04.25
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Abstract

The structural, electrical and optical properties of Ti thin films fabricated by dual magnetron sputtering were investigated under various film thicknesses. The fabricated Ti thin films exhibited uniform surfaces, crystallinity, various grain sizes, and with various film thicknesses. Also, the crystallinity and grain size of the Ti thin films increased with the increase of film thickness. The electrical properties of Ti thin films improved with the increase of film thickness. The results showed that the performance of TCO-less DSSC critically depended on the film thickness of the Ti working electrodes, due to the conductivity of Ti thin film. However, the maximum conversion efficiency of TCO-less DSSC was exhibited at the condition of 100 nm thickness due to the surface scattering of photons caused by the variation of grain size.

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