Investigations of the Correlation between the Preparation Method and the Properties of Anilinic Derivative Functionalised Polymer Thin Films for Non-Linear Optical Applications

Anca Stanculescu; Marcela Socol; Ana Maria Albu; O. Rasoga; Florin Stanculescu; I. Ionita; Ionut Enculescu

doi:10.4028/www.scientific.net/MSF.636-637.798

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HomeMaterials Science ForumMaterials Science Forum Vols. 636-637Investigations of the Correlation between the...

Investigations of the Correlation between the Preparation Method and the Properties of Anilinic Derivative Functionalised Polymer Thin Films for Non-Linear Optical Applications

Abstract:

This paper presents a study of two copolymers, maleic anhydride and methylmethacrilate/maleic anhydride and vinyl benzyl chloride, functionalised with polar chromophoric groups such as 2,4 dinitroaniline. Thin films have been prepared by vacuum evaporation and spin coating methods on silicon and glass substrates. UV-VIS, FTIR, XRD and Photoluminescence Spectroscopy have been used to comparatively investigate the effect of the preparation method on the properties of the thin films obtained with functionalized copolymer. SEM has evidenced differences in the morphologies of the layers suggesting a degradation of the polymeric chain during the evaporation process to fragments that conserve unchanged the chromophoric group. This explains the presence of two types of non-linear phenomena, the second harmonic emission and two-photon luminescence emissions for both vacuum evaporated and spin coated films.

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Periodical:

Materials Science Forum (Volumes 636-637)

Pages:

798-804

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.636-637.798

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Online since:

January 2010

Authors:

Anca Stanculescu, Marcela Socol, Ana Maria Albu, O. Rasoga, Florin Stanculescu, I. Ionita, Ionut Enculescu

Keywords:

Functionalised Polymer, Non-Linear Optical Materials, Spin Coating, Vacuum Evaporation

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