Coherence from fluorescence correlations: Oscillatory femtosecond fluorescence in pentacene/p-terphenyl

Abstract

Correlation of femtosecond wave packets and fluorescence interference in a conjugated polymer: Towards the measurement of site homogeneous dephasing

Probing phase relaxation by measuring fluorescence interference: polarization beating and electron–phonon coupling in conjugated polymers

“…The observation of this ultrafast coherence relies on the correlation of two wavepackets (WPs) that are prepared by double-pulse excitation and probed via second-order fluorescence interference [8,9] using tuned excitation/probing pulses.…”

“…Data processing via single channel single photon counting: Amp-amplifier, PMphotomultiplier, Ct-counter, PC-Peltier Cooler, Comppersonal Computer for data acquisition and control of experiment (t p ; monochromator, etc. ); see Ref [9]. for further details.…”

Standard molar enthalpies of formation and of sublimation of the terphenyl isomers

“…Some of these terphenyl derivatives have quite relevant biological activities, behaving as immune suppressants, antioxidants, neuroprotectives, cytotoxic, anti-thrombosis and anticoagulants [1]. Terphenyls have been the object of extensive research over the years, enhancing their characteristics and applications such as, the ability to form polyphenylene conducting polymers [2][3][4][5], use in organic light emitting diodes (OLEDs), field-effect transistors (FETs) and nonlinear optical devices [6][7][8][9], usage as ultraviolet organic lasers [10], host organic material for dopants [11][12][13][14][15][16], in catalysis [17,18], enzyme simulation [19], metal-organic frameworks [20] and modelling glass forming systems [3,21,22]. These vast applications require the knowledge of the energetics involving these polyphenyl oligomers as well as its relation with their structures.…”

Quantum Interference Spectroscopy of Rubidium-Helium Exciplexes Formed on Helium Nanodroplets

“…Different variants of WP interferometry have also been applied to simple molecules [11][12][13][14][15] and even to molecular crystals [16]. Using pump-probe spectroscopy with phase-locked pulses the dynamics of electronic as well as vibrational coherence of Cl 2 molecules embedded in solid Ar has been investigated [15].…”

“…Direct measurement of QI oscillations has allowed to study the dynamics of atomic Rydberg states, electronic spin and nuclear spin WPs of free atoms in the gas phase [3,4,5,6,7,8], of atoms on surfaces [9], and of atoms attached to helium nanodroplets [10]. Different variants of WP interferometry have also been applied to simple molecules [11,12,13,14,15] and even to molecular crystals [16]. Using pump-probe spectroscopy with phaselocked pulses the dynamics of electronic as well as vibrational coherence of Cl 2 molecules embedded in solid Ar has been investigated [15].…”