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Impressum
(c) 2002 BMO

"Cooling of hot para-nitroaniline probed by non-resonant Raman scattering"
Q. An, P. Gilch
Chemical Physics Letters 363 (2002) 397-403


Abstract:
Non-resonant anti-Stokes Raman probing of vibrational excitations following ultrafast (400 fs in methanol) internal conversion of para-nitroaniline is demonstrated. Immediately after this process an anti-Stokes signal blue shifted by 1290 cm-1 with respect to the probe laser pulse at 815 nm appears. The signal which is due to the NO2 stretch vibration moves to an anti-Stokes shift of 1315 cm-1 corresponding to the Stokes position of this vibration in 1 ps. The decay of this signal is slower and occurs within 3 ps. Possible origins of the strong initial red-shift of the anti-Stokes line are discussed.

BMO authors (in alphabetic order):
Peter Gilch
Qingrui Nielson

Assoziierte Projekte:
The flow of vibrational energy in molecules

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Letzte Änderung: 2016-09-14 13:34