Journal
MATERIALS CHEMISTRY AND PHYSICS
Volume 92, Issue 1, Pages 134-137Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2005.01.033
Keywords
nanocomposite materials; chemical synthesis; CeO2 nanoparticles; polyaniline
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Polyaniline/nano-CeO2 composite microspheres with an average diameter of 7 mu m have been synthesized in a toluene/water emulsion solely stabilized by CeO2 nanoparticles (Pickering emulsion). Various experimental techniques were employed to characterize the polyaniline/nano-CeO2 composite microspheres. The microspheres are flaky polyaniline/nano-CeO2 composite particles; in the microspheres, polyaniline was amorphous while the CeO2 nanoparticles maintained their cubic crystal structure; CeO2 nanoparticles were partly enwrapped by polyaniline. A mechanism for the formation of the polyaniline/nano-CeO2 composite microspheres was proposed. (c) 2005 Elsevier B.V. All rights reserved.
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