화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.31, 43-46, November, 2015
DOI10.1016/j.jiec.2015.06.025  Export Citation
Facile one-pot chemical approach for synthesis of monodisperse chain-like superparamagnetic maghemite (g-Fe2O3) nanoparticles
Mohamed Abbas1, 2, Md. Nazrul Islam3, B. Parvatheeswara Rao4, M.O. Abdel-Hamed5, and CheolGi Kim1, 6, †
  • 1Department of Emerging Materials Science, Daegu Gyeongbuk Institute of Science and Technology (DGIST), 711-873 Daegu, South Korea
  • 2Ceramics Department, National Research Centre, El-Bohous Street, 12622 Cairo, Egypt
  • 3Center for NanoBioEngineering and Spintronics, Department of Materials Science and Engineering, Chungnam National University, Daejeon 305-764, South Korea
  • 4Department of Physics, Andhra University, Visakhapatnam 530003, India
  • 5Physics Department, Faculty of Science, El-Minia University, Egypt
  • 6, Korea
E-mail:
In this study, we demonstrated a novel and facile chemical approach for synthesis of monodisperse maghemite (g-Fe2O3) nanoparticles. Compared to the reported works for synthesis of maghemite nanoparticles which require the use of much amount of surfactant and complicated procedures, we could develop here an approach in which we did not use any surfactant or deoxygenated condition and further the synthesis process was also completed in a single reaction. X-ray diffraction analysis of the sample confirms single phase fully crystalline spinel structure. Transmission electron microscopy images reveal that the shape of the synthesized maghemite nanoparticles is a mix of spherical and cube with chain-like patterns and the average particles size is of 25 nm. The obtained maghemite (g-Fe2O3) nanoparticles showed high magnetic moment of 65 emu/g with superparamagnetic properties. Owing to the high moment, mono disperse superparamagnetic nature of the sample, the synthesized maghemite nanoparticles are useful for biomedical applications.
Keywords:Maghemite (g-Fe2O3);Chemical method;Monodisperse;Chain-like;Superparamagnetic
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