Excited state absorption spectra of dissolved and aggregated distyrylbenzene: A TD-DFT state and vibronic analysis
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2017-07-21
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Oliveira, Eliezer Fernando [UNESP]
Shi, Junqing
Lavarda, Francisco Carlos [UNESP]
Lüer, Larry
Milián-Medina, Begoña
Gierschner, Johannes
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A time-dependent density functional theory study is performed to reveal the excited state absorption (ESA) features of distyrylbenzene (DSB), a prototype π-conjugated organic oligomer. Starting with a didactic insight to ESA based on simple molecular orbital and configuration considerations, the performance of various density functional theory functionals is tested to reveal the full vibronic ESA features of DSB at short and long probe delay times.
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Journal of Chemical Physics, v. 147, n. 3, 2017.