Abstract
An investigation of fluorescence spectra, quantum yields and decay times in collision-free benzene vapour excited to high excess energies in S1 has been carried out. The laser excitation source provides wavelength tunable picosecond pulses in the range 225–250 nm. At longer wavelengths quantum yields and spectra are normal and lifetimes are single-exponential. In the next region, corresponding to ca. 2800–3800 cm-1 excess energy, the quantum yields decrease sharply and decay curves are non-exponential. Most of the structure in spectra is washed out, only the strong progressions in Vi being visible. In the third region, above 4000 cm-1, the quantum yields decrease but at a slower rate while the observed decay is again exponential.
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© 1984 D. Reidel Publishing Company
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Yoshihara, K., O’Connor, D.V., Sumitani, M., Takagi, Y., Nakashima, N. (1984). Single Vibrational Level Dependence of Picosecond Fluorescence in the Channel 3 Region of Benzene. In: Eisenthal, K.B. (eds) Applications of Picosecond Spectroscopy to Chemistry. NATO ASI Series, vol 127. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-6427-3_15
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DOI: https://doi.org/10.1007/978-94-009-6427-3_15
Publisher Name: Springer, Dordrecht
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