Rotational coherence spectroscopy of 9,9′-bianthyrl and its van der Waals complexes with Ar and H2O
作者： Takashige Fujiwara , Yo Fujimura , Okitsugu Kajimoto
DOI: 10.1016/0009-2614(96)00951-7
关键词: Photon counting 、 Spectroscopy 、 Excited state 、 Fluorescence 、 Chemistry 、 Atomic physics 、 Signal 、 van der Waals force 、 Coherence (signal processing)
摘要: Abstract The excited state structure and dynamics of 9,9′-bianthryl its Ar/H 2 O complexes have been studied using rotational coherence spectroscopy (RCS). intensity the decay RCS signal were found to be dependent on torsional level bianthryl, reflecting change constants with levels. For Ar H complexes, no signals observed in a time-correlated single photon counting (TCSPC) experiment, though small detected by pump-probe time-resolved fluorescence depletion measurement. smallness for complex is mostly attributed structural reasons — deviation from symmetric top hybrid-type transition unfavorable signals. complex, loss due rapid conversion electronic responsible absence TCSPC measurements.
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