Abstract
Langmuir-Blodgett (LB) film formation has been investigated for two different types of polymers in which nonlinear optical (NLO) moieties are attached in the side chain of polymethacrylate (PMA) and polyvinylalcohol (PVA) backbones. The LB films, where the polymer backbone is polymethacrylate were characterized by pressure-area isotherms, polarized UV-visible spectra and second harmonic generation measurements. The NLO moieties in the side chain are inclined to the plane of the substrate at a shallow angle. The second order nonlinear coefficient and molecular hyperpolarizability were also calculated.
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