SYNTHESIS AND CHARACTERIZATION OF α-Fe2O3@ATO NANOCOMPOSITE PARTICLES

Yin-Cun Zhu and Ji-Sen Jiang ()
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Yin-Cun Zhu: Department of Physics, Center of Functional Nanomaterials and Devices, East China Normal University, Shanghai 200062, P. R. China
Ji-Sen Jiang: Department of Physics, Center of Functional Nanomaterials and Devices, East China Normal University, Shanghai 200062, P. R. China

Surface Review and Letters (SRL), 2008, vol. 15, issue 05, 545-550

Abstract: α-Fe2O3@ATO (antimony doped tin oxide) nanocomposite particles with core–shell structure were prepared by homogeneous precipitation method using monodispersed α-Fe2O3(hematite) nanoparticles as cores,SnCl4· 5H2OandSbCl3as the precursor of the shell. The morphology and structure of the nanocomposite particles were studied with transmission electron microscopy and X-ray diffraction, respectively. The electricity properties of the nanocomposite were also investigated in terms of coating amount, molar ratio of elementSbtoSn, and heat treatment conditions. The results showed that the conditions of ATO/α-Fe2O3(weight ratio) = 70%,n(Sb)/n(Sn) = 10%, calcined at 700°C for 1 h were optimal for the conductivity of the nanocomposite.

Keywords: ATO; α-Fe2O3; nanocomposite; core–shell structure; conductivity (search for similar items in EconPapers)
Date: 2008
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DOI: 10.1142/S0218625X08011755

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