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Ultraweak spectrally resolved thermoluminescence in polymers
Author(s) -
Mandowska Ewa,
Mandowski Arkadiusz,
Świątek Józef
Publication year - 2004
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.200450826
Subject(s) - thermoluminescence , phosphorescence , chlorobenzene , luminescence , polymer , materials science , trapping , wavelength , excitation , photochemistry , optoelectronics , dielectric , optics , analytical chemistry (journal) , fluorescence , chemistry , physics , organic chemistry , ecology , quantum mechanics , composite material , biology , catalysis
Spectrally resolved thermoluminescence (TL) measurements provide a lot of information concerning trapping and recombination states in various dielectric materials. As long‐lived luminescence is typically weak, this technique requires a very sensitive apparatus. This paper describes the measurement system that is used for studying spectrally resolved TL and phosphorescence decay in polymers. Exemplary investigations are presented for poly( N ‐vinylcarbazole) (PVK) thin films. The obtained spectra clearly indicate the influence of solvents (dioxane, chlorobenzene) and excitation wavelengths on TL in PVK samples.