Abstract
Polyvinyl alcohol – CdS compounds doped with different concentrations of Cu, Al and Mn were produced. It is expected that these compounds have one-dimensional (polymeric) structure. Their luminescence spectra were investigated with the aim of use of luminescence for the structure characterization through comparison of luminescent properties of compounds and other CdS based materials. It was found that addition of copper leads to luminescence quenching while intensity of luminescence of compound doped with manganese reaches maximum at some concentration of additive and aluminum does not influence noticeably on the luminescence intensity of the compound. Luminescence spectra were not significantly changed at the doping. They are different from spectrum of crystalline CdS and similar to luminescence of CdS dissolved in glass. It was also found that luminescence of compounds is highly polarized, luminescence of glass is less polarized and luminescence of crystal CdS is not polarized.
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