Please use this identifier to cite or link to this item: https://physrep.ff.bg.ac.rs/handle/123456789/516
Title: The study of optical and photodielectric properties of polymethyl methacrylate and tris-(8-hydroxy-quinoline) aluminum (Alq3) composites
Authors: Vuković, Danijela
Škipina, Blanka
Maletić, Slavica 
Cerović, Dragana D.
Duvenhage, Mart Mari
Luyt, Adriaan Stephanus
Mirjanić, Dragoljub
Dudić, Duško
Keywords: dielectric properties;optical and photovoltaic applications;optical properties
Issue Date: 15-Oct-2021
Journal: Journal of Applied Polymer Science
Abstract: 
Polymer composite films of tris-(8-hydroxy-quinoline) aluminum (Alq3) and polymethyl methacrylate (PMMA) at two different concentrations were investigated. Dielectric properties of the samples were measured in broad frequency range and results show an increase in specific conductance and susceptance by adding Alq3 in PMMA. Changes in dielectric spectra caused by irradiation of the samples with LED lamps at different wavelengths were also recorded. The samples were examined by UV–Vis and Fourier transform infrared spectroscopy. The interaction between Alq3 and the polymer matrix was observed in the photoluminescence spectroscopy spectra. The doping of the PMMA with different concentrations of the Alq3 leads to the unique photodielectric properties of the resulting composite, and that is the main result of this study. Due to its interesting optical and photodielectric properties, PMMA/Alq3 film may find application in solar cells and optoelectronics.
URI: https://physrep.ff.bg.ac.rs/handle/123456789/516
ISSN: 0021-8995
DOI: 10.1002/app.50992
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