| 학회 |
한국재료학회 |
| 학술대회 |
2007년 가을 (11/02 ~ 11/02, 성균관대학교) |
| 권호 |
13권 2호 |
| 발표분야 |
에너지환경재료 |
| 제목 |
Study on structural and electrochemical property of annealed multi-walled carbon nanotubes |
| 초록 |
We have studied the effect of annealed multi-walled carbon nanotubes (MWNTs). MWNTs on the p-type Si substrate were synthesized by thermal chemical vapor deposition (CVD) using Fe catalysts. The growth temperature was 900 ℃ with C2H2 and NH3 gases. The rapid thermal annealing (RTA) treatment on the MWNTs was carried out at the growth temperature (900 ℃) for 1 minute with N2 gas ambient. The structural of MWNTs were investigated by field-emission scanning electron microscopy (FE-SEM), transmission electron microscope (TEM), Raman spectroscopy. In the raman spectrum, it was found that the annealed MWNTs had decreased defect and amorphous carbon, and the I(D)/I(G) ratio of annealed MWNTs was considerably decreased. The electrochemical properties of the MWNTs were investigated by electrochemical impedance spectroscopy (EIS) at the atmosphere. In this study, it was found that annealing treatment of MWNTs was effected on properties of it. And EIS measured that, the reaction time of the frequency of annealed MWNTs was faster than that of unannealed MWNTs and the total resistivity of the annealed electrode had much lower than that of unannealed MWNTs. |
| 저자 |
이수경1, 황숙현2, 문준희1, 김금채2, 이동윤1, 김도현2, 전민현1
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| 소속 |
1인제대, 2매뉴팩쳐링 (연) |
| 키워드 |
MWNTs; electrochemical property; RTA; thermal CVD
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| E-Mail |
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