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|Type:||Artigo de periódico|
|Title:||Structural and electrochromic study of polypyrrole synthesized with azo and anthraquinone dyes|
|Abstract:||The electrochromic properties of polypyrrole (PPy) synthesized with two different dyes, Remazol Black B (RB) and Dianix Red (DR), have been investigated concerning the influence of dye molecules on polymer structure ordering and electrochromic characteristics. The polymers have been electrochemically prepared. Structural characterization by X-ray diffraction (XRD) and Raman spectroscopy has shown the improvement of PPy chain ordering by dye molecules, which provides an easy mass transport at the interface, a better electronic charge transfer in the bulk, and resulting better electrochromic properties. (c) 2006 Elsevier B.V. All rights reserved.|
|Editor:||Elsevier Science Sa|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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