Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/87922
Type: Artigo de periódico
Title: Controlling Photo-oxidation Processes Of A Polyfluorene Derivative: The Effect Of Additives And Mechanism
Author: Ferreira G.R.
Nowacki B.
Magalhaes A.
DeAzevedo E.R.
De Sa E.L.
Akcelrud L.C.
Bianchi R.F.
Abstract: The control of the photo degradation of a fluorene-vinylene-phenylene based-polymer, poly(9,9-di-hexylfluorenediylvinylene-alt-1,4-phenylenevinylene) (LaPPS16) was achieved by addition of a radical scavenger (RS) (enhancing photo resistance) or a radical initiator (RI) (reducing photo resistance). Photoluminescence, UV-Vis absorption, 1H NMR spectroscopies and gel permeation chromatography (GPC) revealed that the incorporating small amounts of RS or RI is an efficient way to control the rates of the photo-oxidation reactions, and thus to obtain the conjugated polymer with foreseeable degradation rates for applications in blue-light sensitive detectors for neonatal phototherapy. © 2014 Elsevier B.V. All rights reserved.
Editor: Elsevier BV
Rights: fechado
Identifier DOI: 10.1016/j.matchemphys.2014.02.037
Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-84899947571&partnerID=40&md5=b4ef6d4fbdbb89285adfc8bad7aea421
Date Issue: 2014
Appears in Collections:Unicamp - Artigos e Outros Documentos

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