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Using functionalized nonlinear optical chromophores to prepare NLO-active polycarbonate films

AutorGonzález-Lainez, M.; Jiménez-Ruiz, M. ; Martínez de Baroja, Natalia; Garín, Javier; Orduna, Jesús; Villacampa, Belén; Blesa, María Jesús
Fecha de publicación2015
EditorElsevier
CitaciónDyes and Pigments 119: 30-40 (2015)
ResumenNovel functionalized second order nonlinear optical (NLO) chromophores have been prepared with functionalized aniline as electron donor, thiophene or isophorone as a π-spacer and 1,3-diethyl-2-thiobarbituric acid as electron acceptor. The films prepared from dyes with alkylsilyl bulky groups gave better performance than the corresponding non functionalized chromophores due to the reduction of the intermolecular electrostatic interactions. The incorporation of chromophores 4 and 10 in a polycarbonate matrix allowed the preparation of good optical-quality films. Nonlinear coefficients d33 and d31 as high as 17 and 5.6 pm V−1, respectively, were obtained. Moreover, the temporal stability of these host-guest films was confirmed up to eight months (>80%).
URIhttp://hdl.handle.net/10261/147848
DOI10.1016/j.dyepig.2015.02.026
Identificadoresdoi: 10.1016/j.dyepig.2015.02.026
e-issn: 1873-3743
issn: 0143-7208
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