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The optical properties of poly [2-methoxy-5-(2'-ethyl-hexyloxy)-p-phenylene vinylene] (MEH-PPV) are studied by examining and analyzing the photoluminescence, ultraviolet–visible absorption and Fourier transform infrared spectra of the polymer films annealed in nitrogen or air atmospheres at different temperatures. The PL peak positions of the annealed spin-coating films are red-shifted markedly because...
Binary and ternary europium complexes with dibenzplymethane (DBM) and 1,10-phenanthroline (phen) were synthesized and doped into a sol-gel luminescence thin film and polyvinylbutyral (PVB) film. The luminescent spectra and lifetime of the films were measured. The final results showed that Eu(III) characteristic emission bands were observed in the spectra of all the doped films. Longer lifetimes and...
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