Volume 1, Issue 1 (International Journal of Optics and Photonics (IJOP) Vol. 1, No. 1, Summer 2007)                   IJOP 2007, 1(1): 1-6 | Back to browse issues page

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Aldea G, Gutiérrez H, M. Nunzi J, C. Chitanu G, Sylla M, C. Simionescu B. Second Harmonic Generation Diagnostic of Layer by Layer Deposition from Disperse Red 1–Functionalized Maleic Anhydride Copolymer. IJOP. 2007; 1 (1) :1-6
URL: http://ijop.ir/article-1-309-en.html
Romanian Academy, "Petru Poni” Institute of Macromolecular Chemistry Iasi
Abstract:   (1031 Views)

Layer-by-layer (LBL) electrostatic assembly of poly-electrolytes is proving to be an increasingly rich and versatile technique for the formation of multilayered thin films with a wide range of electrical, magnetic, and optical properties. In the present work we synthesized a new nonlinear optical (NLO) maleic acid copolymer containing Disperse Red 1 moieties, built-up multilayer assemblies by alternate adsorption of poly (allylamine hydrochloride) (PAH) and maleic copolymer derivative, and carried out an investigation on their second harmonic generation (SHG) properties. The resulting multilayer assemblies exhibit SHG which arises from the non-centrosymmetric alignment of the chromophore in the copolymer. The SHG signal increases with the number of chromophore-containing polymer layers, up to 5 layers. Further assembly reduces the signal

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Type of Study: Applicable | Subject: General
Received: 2017/06/10 | Accepted: 2017/06/10 | Published: 2017/06/10

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