화학공학소재연구정보센터
학회 한국고분자학회
학술대회 2013년 가을 (10/11 ~ 10/12, 창원컨벤션센터)
권호 38권 2호
발표분야 Molecular Self-Assembly from Small Molecules and Liquid Crystals to Macromolecules
제목 Biomineralization with N-doped carbon nanotube
초록 Here we introduce a new biomimetic mineralization route employing N-doped carbon nanotubes (NCNTs) as highly stable template materials. NCNTs are a new type of carbon nanotubes (CNTs), where N atoms partially substitute a part of carbon atoms in the graphitic side wall of CNTs. The electron rich nitrogen may enhance the electrical conductivity as well as the surface energy of CNTs. More specifically, the substitutionally doped quaternary and pyridinic N atoms in the graphitic plane of NCNTs are exploited as the nucleation site for biomimetic mineralization. Taking advantage of the nitrogen doped sites along the CNT backbone, silica (SiO2) and calcium carbonate (CaCO3) nanoshells can be readily deposited on a vertical NCNT array. Owing to the superior material properties of NCNTs and straightforward processing via biomimetic mineralization, our approach offers a new opportunity for carbon-based mineral nanocomposites.
저자 리동준1, 김상욱2, 이원준1
소속 1KAIST, 2IBS
키워드 Biomimetic mineralization; N-doped carbon nanotube
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