화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Applied Chemistry for Engineering, Vol.25, No.6, 581-585, December, 2014
Export Citation
수용성 고분자로 Wrapping된 그래핀 치환체와 PEDOT/PSS 복합체의 합성 및 특성
Preparation and Characterization of PEDOT/PSS Hybrid with Graphene Derivative Wrapped by Water-soluble Polymer
박노일, 이슬비1, 이성민1, 정대원†
  • 수원대학교 공과대학 신소재공학과
  • 1(주)에버켐텍
No Il Park, Seul Bi Lee1, Seong Min Lee1, and Dae-won Chung†
  • Department of Polymer Engineering, College of Engineering, Suwon University, Gyeonggi-do 445-743, Korea
  • 1EverChemTech Co., Ltd, Gyeonggi-do 441-813, Korea
E-mail:
초록
Reduced graphene oxide (RGO)를 수용성 고분자인 poly(styrene sulfonate) (PSS)로 wrapping한 수분산성 그래핀 치환체인 G-PSS와 전도성 고분자인 poly(3,4-ethylenedioxythiophene)/poly(styrene sulfonate) (PEDOT/PSS)의 복합화에 관하여 연구하였다. G-PSS의 존재 하에서 PEDOT/PSS의 제자리 화학 중합 반응을 수행하여 복합체(GP)를 얻었다. 생성물의 XPS, IR 및 Raman 분석을 통하여 모노머인 EDOT의 중합이 원활하게 진행되어 PEDOT/PSS가 생성됨과 동시에 그래핀과 복합화되었다는 것을 확인할 수 있었다. 또한 GP는 4.46 × 10^(2) S/m의 전도도를 나타냈으며, 0.5%의 농도까지 물에 분산이 되어 G-PSS보다 전기적 특성 및 수분산성 모두 우수하였다.
We conducted investigation on the hybridization of poly(3,4-ethylenedioxythiophene)/poly(styrene sulfonate) (PEDOT : PSS) with graphene derivative (G-PSS), which has been prepared by wrapping reduced graphene oxide (RGO) with PSS. In situ polymerization of PEDOT/PSS in the presence of G-PSS afforded the PEDOT/PSS and graphene hybrid (GP). The analysis of XPS, IR and Raman spectroscopies for GP showed that PEDOT/PSS was successfully synthesized and hybridized with graphene. Compared to the G-PSS, GP showed an enhanced electrical conductivity of 4.46 × 10^(2) S/m with a good wter-dispersity.
Keywords:graphene hybrid;PEDOT/PSS;water-soluble polymer;graphene oxide
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