인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한양대학교 청정에너지연구소 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제12권 제4호
- 발행연도
- 2011.8
- 수록면
- 392 - 397 (6page)
이용수
초록· 키워드
Multi-walled carbon nanotubes (MWNTs) were synthesized by catalytic chemical vapor deposition (CCVD) using acetylene as the carbon source and Fe-supported zeolite (FAU) templates. The effect of the catalyst content and the reaction time on the synthesis of CNTs were investigated through transmission electron microscopy (TEM), thermogravimetic (TG) analysis, and Raman spectroscopy. A number of MWNTs synthesized for 1 h had inner and outer tube diameters in the range of 3.8-5.0 nm and 6.3-8.8 nm, respectively, which were smaller than those of conventional thick MWNTs. With increasing iron content in the zeolite, the carbon yield showed a monotonic increasing tendency, reaching 63.1% as the iron content was up to 0.12 mol%.
With prolonged reaction times such as 30 minutes, 1 h, 2 h, and 3 h, the inner diameter of the CNTs remained constant while the outer diameter became larger and larger, with the carbon yield after the reaction of 3 h reaching 63.1%.
#Carbon nanotubes
#Carbon nanotubes
#Catalytic chemical vapor deposition
#Catalytic chemical vapor deposition
#Zeolite
#Zeolite
#Template
#Template
#Catalyst
#Catalyst
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