Ultrafast Formation of Nonemissive Species via Intermolecular Interaction in Single Crystals of Conjugated Molecules

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Ultrafast Formation of Nonemissive Species via Intermolecular Interaction in Single Crystals of Conjugated Molecules

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Title: Ultrafast Formation of Nonemissive Species via Intermolecular Interaction in Single Crystals of Conjugated Molecules
Author: Loi, M. A.; Mura, A.; Bongiovanni, G.; Cai, Qingsheng, 1966-; Martin, Christopher M., 1973-; Chandrasekhar, Holalkere R.; Chandrasekhar, Meera; Graupner, W.; Garnier, F.
Keywords: interchain interaction
ultrafast formation of intermolecular species
Date: 2001-01-22
Publisher: American Physical Society
Citation: Phys. Rev. Lett. 86, 732-735 (2001)
Abstract: We investigate the influence of interchain interactions on the photoluminescence processes in a sexithiophene single crystal by applying hydrostatic pressure. We perform transient photoluminescence spectroscopy in the time domain of 100 fs for pressures up to 60 kbar. The combined use of steady-state and time-resolved optical spectroscopies allows us to show that the pressure-induced quenching of the photoluminescence is caused by an ultrafast ( 100 fs) formation of intermolecular species.
URI: http://hdl.handle.net/10355/8151
ISSN: 0031-9007

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