마이크로에멀젼법을 이용하여 실리카 코팅된 나노 Fe3O4 분말의 합성과 분석연구
Fabrication and Characterization of Silica Coated Fe3O4 Nanoparticles in Reverse Micro Emulsion
유리(요업(세라믹)기술원 산업도자실); 김유진(한국세라믹기술원); 피재환(한국세라믹기술원); 황광택(한국세라믹기술원); 양희승(한국세라믹기술원 엔지니어링세라믹센터); 김경자(한국세라믹기술원)
47권 2호, 113~116쪽
초록
The silica coated Fe3O4 nanoparticles have been synthesized using a micro-emulsion method. The Fe3O4 nanoparticles with the sizes 6 nm in diameter were synthesized by thermal decomposition method. Hydrophobic Fe3O4 nanoparticles were coated silica using surfactant and tetraethyl orthosilicated (TEOS) as a SiO2 precursor. Shell thickness of silica coated Fe3O4 can be controlled (11~20 nm) through our synthetic conditions. The Fe3O4 and silica coated Fe3O4 nano powders were characterized by transmission electron microscopy (TEM), x-ray diffraction (XRD) and vortex magnetic separation (VMS).
Abstract
The silica coated Fe3O4 nanoparticles have been synthesized using a micro-emulsion method. The Fe3O4 nanoparticles with the sizes 6 nm in diameter were synthesized by thermal decomposition method. Hydrophobic Fe3O4 nanoparticles were coated silica using surfactant and tetraethyl orthosilicated (TEOS) as a SiO2 precursor. Shell thickness of silica coated Fe3O4 can be controlled (11~20 nm) through our synthetic conditions. The Fe3O4 and silica coated Fe3O4 nano powders were characterized by transmission electron microscopy (TEM), x-ray diffraction (XRD) and vortex magnetic separation (VMS).
- 발행기관:
- 한국세라믹학회
- 분류:
- 재료공학