Journal
MATERIALS LETTERS
Volume 61, Issue 27, Pages 4967-4971Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2007.03.086
Keywords
inorganic-organic; nanocomposite; optical; electrical
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Nanostructured tin dioxide (SnO2) is synthesized in the form of colloidal sol. Aniline monomer is polymerized in colloidal sol of SnO2 to prepare inorganic-organic hybrid nanocomposites. Optical band gap increases from 3.74 eV to 4.23 eV with increase of polyaniline concentration. The observed nonlinear current-voltage characteristics are satisfactorily explained using the Schottky type barriers. The temperature dependence of conductivity reveals three dimensional Mott's hopping process. (c) 2007 Elsevier B.V. All rights reserved.
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