TRANSPARENT AND FLEXIBLE TOLUENE SENSOR WITH ENHANCED SENSITIVITY USING ADSORPTION CATALYST-FUNCTIONALIZED GRAPHENE

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초록

We have developed a highly sensitive, transparent and flexible toluene sensor using cobalt-metalloporphyrin (Co-MPP)-functionalized graphene as sensing material. The functionalization of MPP enhanced responsiveness (Delta R/R-i) over 200% compared to pristine graphene toward 10 ppm of toluene molecules at room temperature, while it still revealed optical transmittance and mechanical flexibility.

키워드

CARBON NANOTUBES; CHEMICAL SENSORS; LAYER GRAPHENE; LARGE-AREA; FILMS
제목
TRANSPARENT AND FLEXIBLE TOLUENE SENSOR WITH ENHANCED SENSITIVITY USING ADSORPTION CATALYST-FUNCTIONALIZED GRAPHENE
저자
Choi, Jungwook; Pyo, Soonjae; Lee, Kyounghoon; Ko, Hee-Jin; Kim, Jongbaeg
DOI
10.1109/MEMSYS.2013.6474291
발행일
2013-01
유형
Proceedings Paper
저널명
26TH IEEE INTERNATIONAL CONFERENCE ON MICRO ELECTRO MECHANICAL SYSTEMS (MEMS 2013)
권
2013
페이지
512 ~ 515