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Synthesis of PbTiO3/organic hybrid from metalorganic compounds

Published online by Cambridge University Press:  31 January 2011

Toshinobu Yogo ,
Hiroyuki Ukai ,
Wataru Sakamoto  and
Shin-ichi Hirano
Toshinobu Yogo
Affiliation:
Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464–8603, Japan
Hiroyuki Ukai
Affiliation:
Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464–8603, Japan
Wataru Sakamoto
Affiliation:
Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464–8603, Japan
Shin-ichi Hirano
Affiliation:
Department of Applied Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464–8603, Japan
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Abstract

A nanocrystalline PbTiO3 particle/organic hybrid was synthesized through hydrolysis and polymerization of metalorganic compounds below 100 °C. The PbTiO3 precursor was synthesized from lead methacrylate and titanium isopropoxide. The formation of a Pb–Ti complex alkoxide was confirmed by H and Pb nuclear magnetic resonance spectroscopy. Hydrolyzed Pb–Ti alkoxide was polymerized, yielding the PbTiO3 particles/oligomer hybrid. The organic matrix included nano-sized crystalline particles, depending on the hydrolysis conditions. The nanocrystalline particles were identified to be lead titanate by electron diffraction and energy-dispersive x-ray analysis. The dielectric constant of the nanometer-sized PbTiO3/oligomer hybrid was 5.2 at 10 kHz.

Type
Articles
Information
Journal of Materials Research , Volume 14 , Issue 8 , August 1999 , pp. 3275 - 3280
Copyright
Copyright © Materials Research Society 1999

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References

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