폴리머 (Polymer(Korea))

  • 제38권4호
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  • Pages.525-529
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  • 2014
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  • 0379-153X(pISSN)
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  • 2234-8077(eISSN)
한국고분자학회 (The Polymer Society of Korea)
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동시-기상중합법을 이용한 Poly(3,4-ethylenedioxythiophene)(PEDOT)-TiO2 하이브리드 박막 제조

Preparation of PEDOT-TiO2 Composite Thin Film by Using Simultaneous Vapor Phase Polymerization

  • 고영수 (공주대학교 천안공과대학 신소재공학부) ;
  • 한용현 (공주대학교 천안공과대학 신소재공학부) ;
  • 임진형 (공주대학교 천안공과대학 신소재공학부)
  • Ko, Young Soo (Division of Advanced Materials Engineering, Kongju National University) ;
  • Han, Yong-Hyeon (Division of Advanced Materials Engineering, Kongju National University) ;
  • Yim, Jin-Heong (Division of Advanced Materials Engineering, Kongju National University)
  • 투고 : 2014.02.07
  • 심사 : 2014.03.03
  • 발행 : 2014.07.25
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초록

반도체 특성을 가지는 금속산화물이 포함된 poly(3,4-ethylenedioxythiophene)(PEDOT)-$TiO_2$ 하이브리드 전도성 박막을 동시-기상중합법을 이용하여 성공적으로 제조하였다. PEDOT-$TiO_2$ 박막은 PEDOT 박막에 비하여 내스크래치성, 연필경도와 같은 기계적 물성과 전기/광학적 특성을 향상시킬 수 있었다. 동시-기상중합으로 제조된 하이브리드 박막은 FTS 산화제에 의한 졸-젤 반응으로 물리화학적으로 안정한 가교구조의 $TiO_2$ 층이 균일하게 형성되어 PEDOT 박막자체의 전기/광학적 손실을 수반하지 않고 기계적 물성을 높일 수 있었다. 동시-기상중합을 통하여 제조된 하이브리드 박막은 PEDOT 박막에 비하여 평탄한 표면구조를 가졌으며, 이로 인하여 상대적으로 높은 전기전도도를 가진다.

PEDOT-$TiO_2$ hybrid conductive thin film including semiconductive metal oxide was successfully prepared via simultaneous vapor phase polymerization (VPP). The mechanical properties such as pencil hardness and anti-scratch property as well as optoelectrical properties of PEDOT-$TiO_2$ hybrid thin film could be improved as compared with pristine PEDOT thin film. Physicochemically stable crosslinked $TiO_2$ layer derived from a sol-gel process by FTS was generated in the PEDOT thin film layer by simultaneous VPP, resulting in improving mechanical properties of the hybrid thin films without any deterioration of their original optoelectrical properties. PEDOT-$TiO_2$ hybrid thin film showed better electrical conductivity as compared with PEDOT film. It might be due to the fact that the surface morphology of hybrid thin film prepared by simultaneous VPP showed smoother than that of pristine PEDOT thin film.

키워드

과제정보

연구 과제 주관 기관 : 한국연구재단

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피인용 문헌

  1. 투명 폴리이미드 기판에 코팅된 PEDOT계 전도성 박막의 특성분석 vol.42, pp.1, 2014, https://doi.org/10.7317/pk.2018.42.1.67