Recombination luminescence of poly(arylene phthalide) films: 1. Electronic and optical features of poly(arylene phthalide)s |
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| Authors: | V A Antipin D A Mamykin A N Lachinov A A Kovalev S S Ostakhov S N Salazkin V P Kazakov |
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| Institution: | 1.Institute of Organic Chemistry, Ufa Research Center,Russian Academy of Sciences,Ufa,Russia;2.Institute of the Physics of Molecules and Crystals, Ufa Research Center,Russian Academy of Sciences,Ufa,Russia;3.Nesmeyanov Institute of Organoelement Compounds,Russian Academy of Sciences,Moscow,Russia |
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| Abstract: | Features of the luminescence and absorption spectra of poly(biphenylene phthalide), poly(fluorenylene phthalide), and poly(terphenylene
phthalide) films were analyzed. Experimental results obtained for these films by optical methods and thermally stimulated
current spectroscopy were compared. Long-lasting afterglow emission from the films after photoexcitation was observed. Possible
explanations for the observed optical and thermally stimulated processes in the poly(arylene phthalide)s were suggested in
terms of reversible electronic phase transitions induced by external factors in unconjugated polymers. |
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