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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Improved Adhesion of Solar Cell Cover Glass with Surface-Flourinated Coating Using Atmospheric Pressure Plasma Treatment

상압 플라즈마 표면처리를 통한 태양광모듈 커버글라스와 불소계 코팅의 응착력 향상

  • Kim, Taehyeon (Department of Electronic Engineering, Inha University) ;
  • Park, Woosang (Department of Electronic Engineering, Inha University)
  • 김태현 (인하대학교 전자공학과) ;
  • 박우상 (인하대학교 전자공학과)
  • Received : 2018.01.15
  • Accepted : 2018.01.31
  • Published : 2018.05.01
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Abstract

We propose a method for improving the reliability of a solar cell by applying a fluorinated surface coating to protect the cell from the outdoor environment using an atmospheric pressure plasma (APP) treatment. An APP source is operated by radio frequency (RF) power, Ar gas, and $O_2gas$. APP treatment can remove organic contaminants from the surface and improve other surface properties such as the surface free energy. We determined the optimal APP parameters to maximize the surface free energy by using the dyne pen test. Then we used the scratch test in order to confirm the correlation between the APP parameters and the surface properties by measuring the surface free energy and adhesive characteristics of the coating. Consequently, an increase in the surface free energy of the cover glass caused an improvement in the adhesion between the coating layer and the cover glass. After treatment, adhesion between the coating and cover glass was improved by 35%.

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References

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