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Organic-ligand-assisted hydrothermal synthesis of ultrafine and hydrophobic ZnO nanoparticles

Published online by Cambridge University Press:  31 January 2011

Tahereh Mousavand ,
Satoshi Ohara ,
Takashi Naka ,
Mitsuo Umetsu ,
Seiichi Takami  and
Tadafumi Adschiri
Seiichi Takami
Affiliation:
Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
Tadafumi Adschiri*
Affiliation:
WPI, Advanced Institute for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai 980-8577, Japan
*
a)Address all correspondence to this author. e-mail: ajiri@tagen.tohoku.ac.jp
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Abstract

In this study, we report the synthesis of uniform and narrowly size-distributed ZnO nanoparticles with sizes of approximately 3 nm; the nanoparticles were prepared by means of organic-ligand-assisted hydrothermal conditions with various organic modifiers. The results obtained herein revealed that among the various functional groups tested (alcohols, aldehydes, carboxylic acids, and amines), only hexanol effectively controlled the nucleation and crystal growth of spherical ZnO nanoparticles. The use of hexanol also caused the surface of the ZnO particles to change from hydrophilic to hydrophobic, which would enhance the dispersion of these particles in polymer matrices, paints, cosmetics, and other organic application media.

Keywords

NanostructureHydrothermalOxide
Type
Articles
Information
Journal of Materials Research , Volume 25 , Issue 2 , February 2010 , pp. 219 - 223
Copyright
Copyright © Materials Research Society 2010

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References

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