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|Type:||Artigo de periódico|
|Title:||Controlling photo-oxidation processes of a polyfluorene derivative: The effect of additives and mechanism|
de Sa, EL
|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, H-1 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. (C) 2014 Elsevier B.V. All rights reserved.|
|Editor:||Elsevier Science Sa|
|Citation:||Materials Chemistry And Physics. Elsevier Science Sa, v. 146, n. 3, n. 212, n. 217, 2014.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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