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제123회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Conductivity change of ring structure molecules after encapsulation inside single-walled carbon nanotube

등록일
2019년 1월 30일 14시 33분 33초
접수번호
2907
발표코드
PHYS.P-95 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
4월 19일 (금요일) 11:00~12:30
발표형식
포스터
발표분야
Physical Chemistry
저자 및
공동저자
Junyoung Lee, Jonghee Yang, Whikun Yi*
Department of Chemistry, Hanyang University, Korea
Single-walled carbon nanotubes (SWNTs) have strong potential for molecular electronics due to their unique structural and electronic properties. We used guest molecules, benzene (C6H6), thiophene (C4H4S) and bezenethiol (C6H5SH). To confirm encapsulation we measured X-ray diffraction (XRD) and Raman spectroscopy. The most obvious difference between pristine and encapsulated SWNT was the reduction or disappeared of peak intensity, which is indexed as (10) reflection and Raman peak position shifted by encapsulation of the guest ring molecules. Such a behavior clearly provides the direct proof of the charge transfer between SWNT and guest molecules with benzene and benzenethiol. The molecular encapsulation of benzene, thiophene and benzenethiol has been analyzed via measuring the conductivity. Currents from measuring I-V curves of encapsulated SWNTs was lower than the pristine SWNTs.

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