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Materials 2010, 3(7), 3794-3817; doi:10.3390/ma3073794

Hydrothermal Synthesis of Metal Oxide Nanoparticles in Supercritical Water

1
Research Center for Compact Chemical System, National Institute of Advanced Industrial Science and Technology, Nigatake-4-2-1, Miyagino-ku, Sendai, 983-8551, Japan
2
Nanosystem Research Institute, National Institute of Advanced Industrial Science and Technology, Azuma-1-1-1, Tsukuba, Ibaragi, 305-8565, Japan
*
Author to whom correspondence should be addressed.
Received: 2 June 2010 / Revised: 17 June 2010 / Accepted: 21 June 2010 / Published: 25 June 2010
(This article belongs to the Special Issue Supercritical Fluids)
View Full-Text   |   Download PDF [1637 KB, 30 June 2010; original version 25 June 2010]   |  

Abstract

This paper summarizes specific features of supercritical hydrothermal synthesis of metal oxide particles. Supercritical water allows control of the crystal phase, morphology, and particle size since the solvent's properties, such as density of water, can be varied with temperature and pressure, both of which can affect the supersaturation and nucleation. In this review, we describe the advantages of fine particle formation using supercritical water and describe which future tasks need to be solved.
Keywords: supercritical water; particle formation; nano-particle; micronization; hydrothermal synthesis supercritical water; particle formation; nano-particle; micronization; hydrothermal synthesis
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Hayashi, H.; Hakuta, Y. Hydrothermal Synthesis of Metal Oxide Nanoparticles in Supercritical Water. Materials 2010, 3, 3794-3817.

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