dc.creatorSilva, Adriano S.
dc.creatorSoares, Juliana C.
dc.creatorMafud, Ana Carolina
dc.creatorSouza, Sérgio M.
dc.creatorFernandes, Edson G. R.
dc.creatorMascarenhas, Yvonne Primerano
dc.creatorSanches, Edgar A.
dc.date.accessioned2016-06-23T13:39:16Z
dc.date.accessioned2018-07-04T17:09:25Z
dc.date.available2016-06-23T13:39:16Z
dc.date.available2018-07-04T17:09:25Z
dc.date.created2016-06-23T13:39:16Z
dc.date.issued2014-08
dc.identifierJournal of Molecular Structure, Amsterdam : Elsevier BV, v. 1071, p. 1-5, Aug. 2014
dc.identifier0022-2860
dc.identifierhttp://www.producao.usp.br/handle/BDPI/50358
dc.identifier10.1016/j.molstruc.2014.04.039
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1645420
dc.description.abstractThe introduction of polar functional and alkyl groups into the main chain of Polyaniline (PANI) is a mechanism to obtain soluble polymers in a wider variety of organic solvents. Poly(o-ethoxyaniline) (POEA) is a derivative of PANI and its structural difference is the presence of the group (-OC2H5) in the ortho position of the carbon rings. Despite the large number of studies performed with PANI and its derivatives, there are few that focus on a structural study of these materials in doped form (ES). Poly(o-ethoxyaniline) Emeraldine-salt form (POEA-ES) was synthesized in polymerization times of 3, 24 and 48 h. Through XRD measurements were observed that different polymerization times did not cause structural changes in polymer structures. It were found in XRD patterns peaks at 2θ = 8°, 12°, 16°, 24°, 26°, 38°, 44° and 52°. Crystallinity percentage was calculated using the Peak Fitting Module Program and showed that POEA-ES has around 39% of crystallinity. FTIR analysis allowed to identify characteristic absorption bands in the structure of POEA-ES. By Scanning Electron Microscopy (SEM) it was observed micrometric particles of varying sizes, with morphologies similar to interconnected vesicular microspheres. Through LeBail Method, it was observed that crystallites of POEA-ES are present in the order of 26 Å. It was found a conductivity value of 0.3 × '10 POT. -7' S/cm for POEA-ES.
dc.languageeng
dc.publisherElsevier BV
dc.publisherAmsterdam
dc.relationJournal of Molecular Structure
dc.rightsCopyright Elsevier B.V.
dc.rightsrestrictedAccess
dc.subjectPolyaniline
dc.subjectPOEA-ES
dc.subjectFTIR
dc.subjectXRD
dc.subjectLeBail Method
dc.subjectSEM
dc.titleStructural and morphological characterization of poly(o-ethoxyaniline) emeraldine-salt form using FTIR, XRD, LeBail method and SEM
dc.typeArtículos de revistas


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