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대한화학회 제105회 학술발표회 및 총회 Covalent polymer functionalization of Graphene nanosheets with conjugated polymers: Novel Hybrid materials

등록일
2010년 2월 12일 10시 43분 38초
접수번호
0132
발표코드
39P180포 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
금 <발표Ⅳ>
발표형식
포스터
발표분야
재료화학
저자 및
공동저자
NANJUNDAN ASHOK KUMAR, 정연태
부경대학교 이미지시스템공학과, Korea
Recent years have witnessed great advances in the functionalization chemistries of carbon based nanomaterials, which is a rapidly and continuously growing. Graphene sheets are now considered to be a valuable synthon in nano materials chemistry due to its unexplored properties. There are a number of polymers having importance and playing a significant role in the semiconductor industry which are yet to be investigated of its role with graphene. Among them conducting and conjugated polymers are an important class of polymers which has great prospects with semiconductor industries and molecular electronics. Here, we report the covalent functionalization strategy to graft the conjugated polymer propylene dioxythiophene with graphite oxide as novel nanocomposites. FTIR spectroscopy was employed to characterize the change in surface functionalities which revealed that the PProDOT was covalently grafted to the MWNTs while TGA was used to study the weight gain. The morphology micrographs of the grafted PProDOT on GNS as evidenced by TEM showed apparent effect on the structure of the sheets as a result of surface modification. Our experimental results indicate that the complex exhibited improved thermal stability. Due to the wide role and importance of PProDOT in electrochromic devices, these hybrids are expected to have practical and great potential applications for high performance devices.

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