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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.117  No.1363 (March) (2009)  >  pp.245-248

Journal of the Ceramic Society of Japan
<<Previous article Vol.117  No.1363 (March) (2009)   pp.245 - 248 Next article>>

Synthesis of hematite particles with various shapes by a simple hydrothermal reaction

Qiang DONG2), Dan WANG1), Jianxi YAO1), Nobuhiro KUMADA2), Nobukazu KINOMURA2), Takahiro TAKEI2), Yoshinori YONESAKI2) and Qiang CAI3)
1) State Key Laboratory of Multi-Phase & Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences
2) Department of Research Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi
3) Department of Materials Science and Engineering, TsingHua University


  Hematite particles with various shapes have been synthesized through a simple hydrothermal reaction. The particle shape and size can be controlled by adjusting pH value in the starting solution. The products were characterized by X-ray powder diffraction patterns (XRD), scanning electron microscope (SEM), transmission electron microscope (TEM), high resolution transmission electron microscope (HRTEM), FT-IR, TG-DTA and mass spectrometry of gas species during TG-DTA. The TEM and HRTEM results revealed that large numbers of micropores ranging from 0.5-0.6 nm existed in the surface of spherical particles.


Keyword:
Hematite particles, A simple hydrothermal reaction, Shape and size, PH value, Spherical particles

Received: June 10, 2008
Accepted: October 16, 2008 , Published online: March 01, 2009
Copyright (c) 2009 The Ceramic Society of Japan

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