폴리머 (Polymer(Korea))

  • 제39권3호
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  • Pages.461-467
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  • 2015
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  • 0379-153X(pISSN)
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  • 2234-8077(eISSN)
한국고분자학회 (The Polymer Society of Korea)
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DOI QR코드

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이미다졸과 계면활성제가 기상중합법으로 제조된 PEDOT 박막의 광-전기적 특성에 미치는 영향

Effect of Imidazole and Surfactant on the Opto-Electrical Properties of PEDOT Thin Films via Vapor Phase Polymerization

  • 카드카 로산 (공주대학교 천안공과대학 신소재공학부) ;
  • 임진형 (공주대학교 천안공과대학 신소재공학부)
  • Khadka, Roshan (Division of Advanced Material Engineering, Kongju National University) ;
  • Yim, Jin-Heong (Division of Advanced Material Engineering, Kongju National University)
  • 투고 : 2014.09.30
  • 심사 : 2014.11.19
  • 발행 : 2015.05.25
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⟨ 이전 논문 다음 논문 ⟩

초록

본 논문은 ferric p-toluenesulfonate를 산화제에 약 염기인 이미다졸과 poly(ethylene glycol)-poly(propylene glycol)-poly(ethylene glycol) (PEG-PPG-PEG) 계면활성제를 동시 첨가하여 기상중합법으로 제조된 poly(3,4-ethylenedioxythiophene) (PEDOT) 박막의 광-전기적 특성 향상에 대한 것이다. 여러 가지 조건에서 제조된 PEDOT 박막 특성과 산화제의 첨가제로 사용된 약 염기와 계면활성제의 조합 효과의 상관관계를 규명하고자 하였다. 이미다졸과 PEG-PPG-PEG로 구성된 첨가제를 사용하여 제조된 PEDOT 박막은 $1300S{\cdot}cm^{-1}$ 이상의 전도성을 가졌다. PEG-PPG-PEG계 계면활성제의 분자량이 기상 중합을 이용한 PEDOT 박막의 특성에 미치는 영향도 조사하였다.

This paper reports the combined effects of the triblock copolymer surfactant poly(ethylene glycol)-poly(propylene glycol)-poly(ethylene glycol) (PEG-PPG-PEG) and imidazole on the opto-electrical and mechanical properties of poly(3,4-ethylenedioxythiophene) (PEDOT)-based thin films prepared via vapor phase polymerization (VPP) using ferric p-toluenesulfonate as a catalyst. Various PEDOT-based thin films were synthesized using PEG-PPG-PEG and imidazole alone and in combination to compare and correlate their effects on film properties. The improved conductivity of the PEDOT films was higher than $1300S{\cdot}cm^{-1}$ when the surfactant and imidazole were used together. The PEG-PPG-PEG chain length was also varied to identify the best conditions for the VPP-based preparation of PEDOT thin films.

키워드

과제정보

연구 과제 주관 기관 : National Research Foundation of Korea (NRF)

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피인용 문헌

  1. Influence of base inhibitor and surfactant on the electrical and physicochemical properties of PEDOT-SiO2 hybrid conductive films vol.23, pp.6, 2015, https://doi.org/10.1007/s13233-015-3079-0