Experimental and theoretical study of photo- and electroluminescence of divinyldiphenyl and divinylphenanthrene derivatives / L. G. Samsonova [et al.]
Уровень набора: Spectrochimica Acta Part A: Molecular and Biomolecular SpectroscopyЯзык: английский.Страна: .Резюме или реферат: Electronic absorption and luminescence spectra of four new compounds of divinyldiphenyl anddivinylphenanthrene derivatives are investigated experimentally in tetrahydrofuran solutions and thin films obtainedby thermal vacuum deposition and by spin coating of these substances embedded into polyvinylcarbazolematrix. Molecular geometry optimizations and electronic spectra have been calculated in the framework of XMCQDPT2/6-31G(d, p) and TDDFT/B3LYP/6-31G (d, p) levels of theory. We have fabricated and studied OLED deviceswith the structure ITO/PEDOT:PSS/NPD/L/Ca/Al and ITO/PEDOT:PSS/PVK + L/Ca, where L is theluminophore. It is demonstrated that the photo-and electroluminescence spectra of divinyldiphenyl are not identicaland undergo strong changes depending on the method of sample preparation..Примечания о наличии в документе библиографии/указателя: [References: p. 64 (33 tit.)].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | exciplexes | линейные молекулы | фотолюминесценция | электролюминесценция | эксимеры Ресурсы он-лайн:Щелкните здесь для доступа в онлайнTitle screen
[References: p. 64 (33 tit.)]
Electronic absorption and luminescence spectra of four new compounds of divinyldiphenyl anddivinylphenanthrene derivatives are investigated experimentally in tetrahydrofuran solutions and thin films obtainedby thermal vacuum deposition and by spin coating of these substances embedded into polyvinylcarbazolematrix. Molecular geometry optimizations and electronic spectra have been calculated in the framework of XMCQDPT2/6-31G(d, p) and TDDFT/B3LYP/6-31G (d, p) levels of theory. We have fabricated and studied OLED deviceswith the structure ITO/PEDOT:PSS/NPD/L/Ca/Al and ITO/PEDOT:PSS/PVK + L/Ca, where L is theluminophore. It is demonstrated that the photo-and electroluminescence spectra of divinyldiphenyl are not identicaland undergo strong changes depending on the method of sample preparation.
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