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dc.contributor.authorGao, Fangen
dc.contributor.authorLiang, Wanzhenen
dc.contributor.authorZhao, Yangen
dc.identifier.citationGao, F., Liang, W., & Zhao, Y. (2009) Vibrationally Resolved Absorption and Emission Spectra of Rubrene Multichromophores: Temperature and Aggregation Effects. Journal of Physical Chemistry A, 113(46), 12847–12856.en
dc.description.abstractWe present a theoretical study on the temperature-dependent absorption and photoluminescence spectroscopy of rubrene multichromophores by combining the time-dependent long-range-corrected density functional theory with the exciton model. The spectra of rubrene multichromophores up to heptamers are calculated, and the effects of exciton−phonon coupling and temperature on the photophysical properties of both H- and J-aggregated oligomers are addressed. It is found that the spectral behavior of rubrene aggregates is very much dependent on aggregation details. As the temperature increases, higher excitonic states become populated, and low-energy dark states in H-aggregated oligomers become observable gradually while the peak intensities near the 0−0 transition decrease for J-aggregated oligomers.en
dc.relation.ispartofseriesJournal of physical chemistry Aen
dc.rights© 2009 American Chemical Societyen
dc.subjectDRNTU::Engineering::Materials::Photonics and optoelectronics materialsen
dc.titleVibrationally resolved absorption and emission spectra of rubrene multichromophores : temperature and aggregation effectsen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science & Engineeringen
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