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Ultrafast photoinduced processes in indole–water clusters

✍ Scribed by H. Lippert; V. Stert; L. Hesse; C.P. Schulz; I.V. Hertel; W. Radloff

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
608 KB
Volume
376
Category
Article
ISSN
0009-2614

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✦ Synopsis

Applying femtosecond laser pulses at the wavelength of 250 nm the photoinduced processes in indole(H 2 O) n and D D -indole(D 2 O) n clusters have been studied. An ultrafast ($50 fs) decay of the initially excited pp à state is tentatively attributed to the internal conversion to the dark pr à state. Subsequent processes are characterized for n ¼ 1; 2 by a single-exponential signal decay on the ps time scale, while for larger clusters (n P 3) no significant time dependence is observed. The strong differences with respect to the photophysics of indole(NH 3 ) n clusters are discussed.

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