한국표면공학회지 (Journal of the Korean institute of surface engineering)

  • 제56권1호
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  • Pages.55-61
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  • 2023
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  • 1225-8024(pISSN)
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  • 2288-8403(eISSN)
한국표면공학회 (The Korean Institute of Surface Engineering)
권호 표지
DOI QR코드

DOI QR Code

방열소재 응용을 위한 알루미나 분말 표면 위 탄소나노튜브의 직접 성장 거동 고찰

Investigation of direct growth behavior of carbon nanotubes on alumina powders to use as heat dissipation materials

  • 이종환 (강원대학교 대학원 신소재공학과) ;
  • 한현호 (강원대학교 대학원 신소재공학과) ;
  • 정구환 (강원대학교 대학원 신소재공학과)
  • Jong-Hwan Lee (Department of Advanced Materials Science and Engineering, Graduate School of Kangwon National University) ;
  • Hyun-Ho Han (Department of Advanced Materials Science and Engineering, Graduate School of Kangwon National University) ;
  • Goo-Hwan Jeong (Department of Advanced Materials Science and Engineering, Graduate School of Kangwon National University)
  • 투고 : 2022.12.20
  • 심사 : 2023.01.09
  • 발행 : 2023.02.28
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초록

As a preliminary study to produce functional nanocomposites in a heat dissipation device, we performed the direct synthesis of carbon nanotubes (CNTs) on the surface of alumina (Al2O3) powders. A thermal chemical vapor deposition (TCVD) system was used to grow CNTs directly on the Al2O3 surface. In order to investigate the growth behavior of CNTs, we varied both furnace temperature of the TCVD ranging from 700 to 850 ℃ and concentration of the ferritin-dissolved DI solution from 0.1 to 2.0 mg/mL. From the previous results, the gas composition and duration time for CNT growth were fixed as C2H4 : H2 = 30 : 500 (vol. %) and 10 min, respectively. Based on the analysis results, the optimized growth temperature and ferritin concentration were found to be 825 ℃ and 0.5 mg/mL, respectively. The obtained results could be adopted to achieve mass production of nanocomposites with heat dissipation functionality.

키워드

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