Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)

The Korean Institute of Electrical Engineers (대한전기학회)
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The effect of annealing on the Characteristics of CdTe thin film

태양전지용 CdTe박막의 열처리에 따른 특성

  • 남준현 (성균관대학교 전기공학과) ;
  • 이재형 (성균관대학교 전기공학과) ;
  • 박용관 (성균관대학교 전기공학과)
  • Published : 1995.11.18
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Abstract

In this paper, structual, optical properties of CdTe thin films and photovoltaic properties of thin film CdS/CdTe solar cell prepared by thermal vacuum evaporation were studied. The crystal structure of CdTe films was zircblend type with preferential orientation of the (111)plane parallel to the substrate. The heat treatment appears to stabilize this structure. The result of optical absorption and transmittance show that solar radiation with energy larger than bandgap is almost completely absorbed within an about $2{\mu}m$ thickness of the evaporated CdTe layer and transmittance of the CdTe film was larger with increasing annealing temperature. It was found that CdS/CdTe solar cell characteristics were improved by the heat treatment.

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