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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- Korean Society for Precision Engineering International Journal of Precision Engineering and Manufacturing International Journal of Precision Engineering and Manufacturing Vol.9 No.3
- 발행연도
- 2008.6
- 수록면
- 18 - 21 (4page)
이용수
초록· 키워드
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The study deals with the effects of parameters in the synthesis of carbon nanotubes in liquid nitrogen to find the most appropriate conditions such as electrical voltage and time that give carbon nanotubes with large volume and less proportion of impurity, which is a non-nanotubed carbon. The experiment employed the method of arcdischarge between graphite cathode and anode which are immersed in liquid nitrogen. The electrical DC current of 60A and 70A were applied with the time period ranging from 10 seconds to 25 seconds. It was found that the electrical current of 60A and 13 seconds arc-discharge time allowed the largest volume of carbon nanotubes generation. The longer time leads to more impurities around the carbon nanotubes. By the filtration of CNTs-suspended solution using 0.2 micrometers porous paper filter and the characterization using TEM. the carbon nanotubes synthesized in the study were approximately 25 layers multi-walled nanotubes with the average diameter of 18.2 nanometers.
목차
1. Introduction
2. Experimental apparatus and method
3. Results
4. Conclusions
REFERENCES
참고문헌 (15)
참고문헌 신청
1. [학술지(정기간행물)] - Powell, W. H. / 2002 / Nomenclature for the C60-Ih and C70-D5h(6)fullerenes / Pure and Applied Chemistry 74 (4) : 629 ~ 695
2. [학술지(정기간행물)] - Fonseca, A / 1998 / Synthesis of single-and multi-wall carbon nanotubes over supported catalysts / Applied Physics A: Materials Science & Processing 67 (1) : 11 ~ 20
3. [학술지(정기간행물)] - 이준석 / 2005 / Arbitrary Cutting of a single CNT tip in Nanogripper using Electrochemical Etching / International Journal of Precision Engineering and Manufacturing 6 (2) : 46 ~ 49
4. [학술지(정기간행물)] - Hyung-Woo Lee, , , , , , / 2005 / Direct Fabrication of the Scanning Probe Tip with Multi-Walled Carbon Nanotubes Using Dieletrophoresis / International Journal of Precision Engineering and Manufacturing 6 (2) : 50 ~ 54
5. [학술지(정기간행물)] - Punbusayakul, N / 2007 / Double-Walled Carbon Nanotube Electrodes for Electrochemical Sensing / Electrochem. Solid-State Lett 10 (5) : F13 ~ F17
2. [학술지(정기간행물)] - Fonseca, A / 1998 / Synthesis of single-and multi-wall carbon nanotubes over supported catalysts / Applied Physics A: Materials Science & Processing 67 (1) : 11 ~ 20
3. [학술지(정기간행물)] - 이준석 / 2005 / Arbitrary Cutting of a single CNT tip in Nanogripper using Electrochemical Etching / International Journal of Precision Engineering and Manufacturing 6 (2) : 46 ~ 49
4. [학술지(정기간행물)] - Hyung-Woo Lee, , , , , , / 2005 / Direct Fabrication of the Scanning Probe Tip with Multi-Walled Carbon Nanotubes Using Dieletrophoresis / International Journal of Precision Engineering and Manufacturing 6 (2) : 50 ~ 54
5. [학술지(정기간행물)] - Punbusayakul, N / 2007 / Double-Walled Carbon Nanotube Electrodes for Electrochemical Sensing / Electrochem. Solid-State Lett 10 (5) : F13 ~ F17
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