Photo-induced polymerization of polyaniline
A straightforward route to prepare polyaniline is presented in which photons and metallic ions replace conventional oxidants to promote polymerization of aniline monomer. The photopolymerization methods yield a composite material that has been characterized by its UV, visible and Raman spectroscopic analysis and by scanning electron microscopy and X-ray microanalysis as well. Intriguing forms of silver wires embedded in polyaniline are observed, typically of 1 {mu}m wide and up to 100 {mu}m long. It is shown that the morphology of the resulting conducting polymer strongly depends on the excitation wavelength, while a globular morphology is found for the UV synthesis and a fibrillar one is found for visible light excitation.
- OSTI ID:
- 20748689
- Journal Information:
- Materials Characterization, Vol. 50, Issue 2-3; Conference: Brazilian Materials Research Society symposia on current trends in nanostructured materials, semiconductor Materials, thin films, and biomaterials, Rio de Janeiro (Brazil), 7-10 Jul 2002; Other Information: DOI: 10.1016/S1044-5803(03)00080-9; PII: S1044580303000809; Copyright (c) 2003 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input: International Atomic Energy Agency (IAEA); ISSN 1044-5803
- Country of Publication:
- United States
- Language:
- English
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