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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Hydrophobic Properties on RF-sputtered PTFE Films coated on UV-treated Glass Substrates

UV 처리된 유리기판위에 RF-스퍼터된 PTFE 박막들의 발수 특성

  • 손진운 (울산대학교 전기전자정보시스템공학부) ;
  • 윤현오 (대구가톨릭대학교 전자공학과) ;
  • 배강 (대구가톨릭대학교 전자공학과) ;
  • 손선영 (대구가톨릭대학교 전자공학과) ;
  • 김화민 (대구가톨릭대학교 전자공학과)
  • Published : 2010.01.01
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Abstract

Surface properties of polytetrafluoroethylene(PTFE) films fabricated by rf-magnetron sputtering system with UV surface treatment were investigated to increase water contact angle for their hydrophobic property. We found that the surface morphology and water contact angles of PTFE film modified as a function of the UV treatment times using UV-irradiation were influenced. The water contact angle of PTFE film with optimized UV treatment time for 15 minute showed a high hydrophobicity compared with the film without any surface treatment. We thought that it was due to the energy change of PTFE surface with an adhesion improvement to the glass surface as a smoothing a rough surface with needle-shape and/or the enhancement of an interface property as a removing some defects on the surface like a cleaning effect.

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