화학공학소재연구정보센터
학회 한국공업화학회
학술대회 2010년 가을 (10/27 ~ 10/29, 대전컨벤션센터)
권호 14권 2호
발표분야 무기재료
제목 Effects of activation and vanadium catalyst on multi-walled carbon nanotube for highly sensitive gas sensor
초록 Vanadium catalyst doped activated multi-walled carbon nanotubes (V-AMCNTs) were prepared as the material for highly sensitive gas sensor. Vanadium oxides were dissolved in potassium hydroxide (KOH) solution. Multi-walled carbon nanotubes were activated by using vanadium ionized KOH solution to improve the adsorption sites of target gas. The defect sites were observed on the surface of V-AMCNTs by TEM images. The sensitivity of NO gas was improved about 3.8 times based on effects of enlarged surface area and introduced vanadium catalyst in MWCNTs.
저자 강석창, 임지선, 이영석
소속 충남대
키워드 gas sensor; vanadium catalyst; carbon nano tube; activation; pore structure
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