he electroactive and photoactive properties of conjugated systems have attracted the interest of many laboratories, both for a basic understanding of their photophysics as well as for possible applications in organic-based optoelectronic devices, ?-sexithienyl has been recognized as a model compound for a basic understanding of the electronic properties of conjugated materials. We report on ultrafast pump-probe measurements on ultra-high vacuum deposited thin films of ?-sexithienyl, Femtosecond transient spectroscopy experiments were performed at low temperatures and over a wide wavelength range of the probe beam (from 420 nm up to 680 nm). The dynamics of the photoexcited species are discussed in the frame of the excitonic model.
Femtosecond Transient Absorption Spectroscopy in alpha-sexithienyl thin films
1999
Abstract
he electroactive and photoactive properties of conjugated systems have attracted the interest of many laboratories, both for a basic understanding of their photophysics as well as for possible applications in organic-based optoelectronic devices, ?-sexithienyl has been recognized as a model compound for a basic understanding of the electronic properties of conjugated materials. We report on ultrafast pump-probe measurements on ultra-high vacuum deposited thin films of ?-sexithienyl, Femtosecond transient spectroscopy experiments were performed at low temperatures and over a wide wavelength range of the probe beam (from 420 nm up to 680 nm). The dynamics of the photoexcited species are discussed in the frame of the excitonic model.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.


