Journal
MATERIALS LETTERS
Volume 65, Issue 19-20, Pages 3016-3019Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2011.06.036
Keywords
Conducting polymer; Nanoparticles; Core shell; Electrical properties; Atomic force microscopy
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Nanosized gold (Au) and polyindole (Pln) composite was prepared via in-situ polymerization of indole, using metal salt chloro-auric acid as an oxidant, in a microemulsion system. The oxidization of indole and the reduction of Au(3+) ions occurred simultaneously in a single step, which resulted in a core shell structure having a coating of polyindole over monodispersed, size-controlled, highly populated, and stable gold nanoparticles. Indole polymerization governed by chloro-auric acid, was monitored using UV-vis absorption spectroscopy. Nanoscale electrical characterization of polyindole nanocomposite was performed using current-sensing atomic force microscopy. The investigated properties of the composite proved its enormous potential in electronic applications and fabrication of nanoscale organic devices. (C) 2011 Elsevier B.V. All rights reserved.
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