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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제20권 제4호
- 발행연도
- 2019.1
- 수록면
- 388 - 394 (7page)
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In this study, high-purity single-walled carbon nanotubes (SWCNTs) were prepared by removing the unreacted metal constituents and amorphous carbon impurities using a post-annealing process. Unlike conventional thermal processing techniques, this technique involved different gas atmospheres for efficient removal of impurities. A heat treatment was conducted in the presence of chlorine, oxygen, and chlorine + oxygen gases. The nanotubes demonstrated the best characteristics, when the heat treatment was conducted in the presence of a mixture of chlorine and oxygen gases. The scanning electron microscopy, transmission electron microscopy, ultraviolet absorbance, and sheet resistance measurements showed that the heat treatment process efficiently removed the unreacted metal and amorphous carbon impurities from the as-synthesized SWCNTs. The high-purity SWCNTs exhibited improved electrical conductivities. Such high-purity SWCNTs can be used in various carbon composites for improving the sensitivity of gas sensors.
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참고문헌 (46)
참고문헌 신청
M. S. Dresselhaus / 2001 / Carbon Nanotubes / Springer
Agus Edy Pramono / 2019 / Properties of wear rate and electrical conductivity of carbon ceramic composites / Journal of Ceramic Processing Research 20(1):1~7
S. A. X. Stango / 2019 / Ceram. Int 45:69~81
C.-Y. Liu / 1999 / Electrochem. Solid State Lett 2:577~578
W. B. Choi / 1999 / Appl. Phys. Lett 75:3129
Agus Edy Pramono / 2019 / Properties of wear rate and electrical conductivity of carbon ceramic composites / Journal of Ceramic Processing Research 20(1):1~7
S. A. X. Stango / 2019 / Ceram. Int 45:69~81
C.-Y. Liu / 1999 / Electrochem. Solid State Lett 2:577~578
W. B. Choi / 1999 / Appl. Phys. Lett 75:3129
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