화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Chemical Engineering Research, Vol.50, No.4, 729-732, August, 2012
Export Citation
다중벽 탄소나노튜브와 다양한 나노입자 복합체의 In-situ 합성법개발 및 구조제어연구
Study about the In-situ Synthesis and Structure Control of Multi-walled Carbon Nanotubes and their Nanocomposites
박호석†
  • 경희대학교 화학공학과, 449-701 경기도 용인시 기흥구 서천동 1
Ho Seok Park†
  • Department of Chemical Engineering, College of Engineering, Kyung Hee University, 1 Seochon-dong, Giheung-gu, Yongin-si, Gyeonggi 446-701, Korea
E-mail:
초록
본 논문에서 이온성액체를 이용한 초음파화학을 통해서 칼코젠 나노입자를 in-situ로 합성하여서 다중벽 탄소나노튜브(MWCNT) 위에 도포하였다. 1-Butyl-3-methylimidazolium tetrafluoroborate (BMimBF4) 이온성액체를 이용해서 MWCNT의 표면을 기능화하였다. 합성된 MWCNT/BMimBF4/CdTe, MWCNT/BMimBF4/ZnTe, MWCNT/BMimBF4/ZnSe 나노복합체를 TEM과 EDS를 이용해서 분석하였다. 특히, MWCNT/BMimBF4/CdTe, MWCNT/BMimBF4/ZnTe, and MWCNT/BMimBF4/ZnSe 나노복합체는 각각 요철과 같거나, 거칠거나 부드러운 코어-쉘 형태와 같은 특이한 구조를 보여주었다. 본 연구는 반응속도가 다른 전구체로부터 얻어진 이성분 반도체 나노입자를 합성과 동시에 탄소나노튜브에 도포할 수 있는 새로운 합성법을 제시한다.
Herein we report the in-situ synthesis and direct decoration of chalcogenide naoparticles (NPs) onto multiwalled carbon nanotubes (MWCNTs) through an ionic liquid-assisted sonochemical method (ILASM). The as-obtained MWCNT/BMimBF4/CdTe, MWCNT/BMimBF4/ZnTe and MWCNT/BMimBF4/ZnSe nanocomposites were characterized by TEM images and EDS spectra. In particular, the morphologies of nanocomposites such as bump-like, rough, and smooth core-shell structures were strongly influenced by the type of precursors and the interactions with MWCNT. This synthetic strategy opens a new way to directly synthesize and deposit semiconducting NPs (s-NPs) onto CNTs, which consist of binary components obtained from two precursors with different reaction rates.
Keywords:Carbon Nanotube;Nanocomposite;Chalcogenide Nanoparticles;Nanostructure;Ionic Liguid
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