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J. Korean Ceram. Soc. > Volume 39(5); 2002 > Article
Journal of the Korean Ceramic Society 2002;39(5): 467.
doi: https://doi.org/10.4191/kcers.2002.39.5.467
페이스트를 이용한 탄소나노튜브의 수직배양법 연구
이재걸, 문주호, 이동구1
연세대학교 세라믹공학과
1금오공과대학교 신소재시스템공학부
Process Development of Aligning Carbon Nanotube from the Paste
Jae-Kul Lee, Joo-Ho Moon, Dong-Gu Lee1
Department of Ceramic Engineering, Yonsei University
1School of Material and System Engineering, Kumoh National University of Technology
ABSTRACT
Long Carbon Nanotubes(CNTs) were cut by diamond lapping film followed by observation using SEM. The paste was prepared by mixing shortened CNT powder, ${alpha}$-terpineol used as a solvent, and ethylcellulose as a binder. This paste was deposited on glass substrate by screen printing and extruded by syringe. After screen printing, several post-treatments were performed to control the alignment of CNTs perpendicular to the substrate. The deposited CNTs were scratched by sand paper or diamond lapping film. It was also treated by attachment followed by an immediate detachment using the adhesive tape. SEM observation indicates that excellent vertical alignment of CNTs could be achieved by simple post-treatments from the screen printed-CNTs paste. Similar alignment of CNTs is also observed in the as-extruded CNTs paste.
Key words: Carbon nanotubes, Alignment, Screen printing, Syringe extrusion
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