期刊
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
卷 6, 期 18, 页码 3682-3687出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpclett.5b01613
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资金
- National Research Foundation of Korea (NRF) - Korean Government (MSIP) [2009-0081571]
- Spanish Ministerio de Economia y Competitividad (MINECO) [CTQ2014-58801]
- Comunidad de Madrid [S2013/MIT-3007, S2013/MIT-284]
- Campus of International Excellence (CEI) UAM+CSIC
- European Commission [FP7-PEOPLE-2012-IEF-331795]
- MINECO
- EC via the COFUND program AMAROUT
Combined structural, photophysical, and quantum-chemical studies at the quantum mechanics/molecular mechanics (QM/MM) level precisely reveal the structure-property relationships in a mixed-stack donor-acceptor cocrystal, which displays vibronically structured fluorescence, strongly red-shifted against the spectra of the parent donor and acceptor, with high quantum yield despite the pronounced CT character of the emitting state. The study elucidates the reasons for this unusual combination, quantifies the ordering and nature of the collective excited singlet and triplet state manifold, and details the deactivation pathways of the initially created Franck-Condon state.
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