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Preparation and Characterization of Fine Indium Tin Oxide Powders by a Hydrothermal Treatment and Postannealing Method

Published online by Cambridge University Press:  31 January 2011

K. Yanagisawa ,
C. P. Udawatte  and
S. Nasu
K. Yanagisawa*
Affiliation:
Research Laboratory of Hydrothermal Chemistry, Faculty of Science, Kochi University, Akebono-cho 2–5-1, Kochi-shi 780-8520, Japan
C. P. Udawatte
Affiliation:
Research Laboratory of Hydrothermal Chemistry, Faculty of Science, Kochi University, Akebono-cho 2–5-1, Kochi-shi 780-8520, Japan
S. Nasu
Affiliation:
Division of Materials Physics, Department of Physical Science, School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
*
a)Address all correspondence to this author. e-mail: [email protected]
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Abstract

Indium tin oxide powder with an In to Sn mole ratio of 95:5 was successfully prepared from a coprecipitated In–Sn hydroxide gel by hydrothermal processing followed by calcination at relatively low temperatures (∼500 °C). Hydrothermal treatment of the In–Sn coprecipitated gel at 300 °C for 24 h led to the formation of a single phase of tin-doped indium oxyhydroxide (InOOH:Sn). Under hydrothermal conditions the oxyhydroxide phase appeared well crystallized with particles ∼80 nm in size. Calcination of the oxyhydroxide phase above 450 °C in air yielded a substitutional-vacancy-type solid solution of In2Sn1−xO5−y.

Type
Articles
Information
Journal of Materials Research , Volume 15 , Issue 6 , June 2000 , pp. 1404 - 1408
Copyright
Copyright © Materials Research Society 2000

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References

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