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Composites made by incorporation of SiO 2 or TiO 2 nanoparticles into poly(p-phenylene vinylene) (PPV) have been fabricated and their optical and electrical properties have been investigated. The UV–vis absorption band of the composite films showed a large blue-shift with SiO 2 nanoparticles, but only little difference with TiO 2 nanoparticles. Photoluminescence (PL)...
Thin films of poly(2-methoxy-5-(2′-ethyl-hexyloxy)-phenylene vinylene) (MEH-PPV) were deposited from solutions prepared with different solvents, on alumina–1%Mg substrates with different pore sizes from 18 to 118nm to study the effects of the size on the optical properties of the polymer. The photoluminescence (PL) spectra of films cast from solutions using chloroform, toluene or xylene are almost...
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