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Thin films of poly(vinylidene fluoride–trifluoroethylene) copolymer were prepared by spin casting from methylethylketone solutions onto SiO 2 , Si, and quartz slides substrates. The films were optically transparent in the 1.5–4.5eV (830–280nm) photon energy range and found to be uniform and smooth as determined using near ultraviolet–visible spectrum and atomic force microscopy, respectively...
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