| 학회 |
한국공업화학회 |
| 학술대회 |
2014년 가을 (11/12 ~ 11/14, 엑스코(대구)) |
| 권호 |
18권 2호 |
| 발표분야 |
고분자-포스터 |
| 제목 |
Fabrication of water-dispersible and highly conductive PSS-doped PANI/graphene nanocomposites using high-molecular weight PSS dopant and their application to H2S detection |
| 초록 |
This work describes the fabrication of poly(4-styrenesulfonic acid)-doped polyaniline/graphene (PSS-doped PANI/graphene) nanocomposites and their use as sensing elements for hydrogen sulfide (H2S) detection. PSS with a weight average molecular weight (Mw) of 1.96×106 was synthesized using low-temperature free-radical polymerization. The high Mw of PSS resulted in relatively large particle sizes and smooth surfaces of the PSS-doped PANI. These physical characteristics, in turn, resulted in low interparticle resistance and high conductivity. PSS-doped PANI/graphene composites containing 30-wt% graphene showed the highest conductivity (168.4 S cm–1) and the lowest minimum detection level (MDL) for H2S gas (1 ppm). |
| 저자 |
조성훈, 장정식
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| 소속 |
서울대 |
| 키워드 |
polyaniline; poly(4-styrenesulfonic acid); conducting polymer; graphene; H2S sensor |
| E-Mail |
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