한국입자에어로졸학회지 (Particle and aerosol research)

  • 제9권4호
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  • Pages.209-219
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  • 2013
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  • 1738-8716(pISSN)
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  • 2287-8130(eISSN)
한국입자에어로졸학회 (Korean Association for Particle and Aerosol Research)
권호 표지
DOI QR코드

DOI QR Code

Flame Synthesis of Silica-Coated Iron Oxide Nanoparticles and Their Characterization

  • Jun, Kimin (School of Mechanical and Aerospace Engineering, Seoul National University) ;
  • Yang, Sangsun (School of Mechanical and Aerospace Engineering, Seoul National University) ;
  • Lee, Jeonghoon (School of Mechanical Engineering, Korea University of Technology and Education) ;
  • Pikhitsa, Peter V. (Global Frontier Center for Multiscale Energy Systems, Seoul National University) ;
  • Choi, Mansoo (School of Mechanical and Aerospace Engineering, Seoul National University)
  • 투고 : 2013.11.04
  • 심사 : 2013.12.26
  • 발행 : 2013.12.30
⟨ 이전 논문 다음 논문 ⟩

초록

We have used the modified diffusion flame burner to synthesize silica coated iron oxide nanoparticles having enhanced superparamagnetic property. Silica-encapsulated iron oxide particles were directly observed using a high resolution transmission electron microscope. From the energy dispersive X-ray spectroscopy (EDS) and zeta potential measurements, the iron oxide particles were found to be completely covered by a silica coating layer. X-ray photoelectron spectroscopy (XPS) and X-ray diffraction (XRD) measurements revealed that the iron oxide core consists of ${\gamma}-Fe_2O_3$ rather than ${\alpha}-Fe_2O_3$. Our magnetization measurements support this conclusion. Biocompatibility test of the silica-coated iron oxide nanoparticles is also conducted using the protein adsorption onto the coated particle.

키워드

참고문헌

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