✦ LIBER ✦

Phosphorescence of C60 in rare gas matrices

✍ Scribed by A. Sassara; G. Zerza; M. Chergui

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 594 KB
Volume: 261
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(96)00975-x

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✦ Synopsis

The phosphorescence of C6o in Kr and Xe matrices is reported. It consists of a progression of bands of monotonically decreasing intensity which belong to the hg(1) mode but in Xe weaker contributions from the tlu, t2u ' h u and gu modes are also present. In Xe matrices, the phosphorescence stems from a distribution of sites extending up to 150 cm-t to the red of the main and most prominent one having its origin at 12714 cm -1. The phosphorescence lifetime is 16 ___ 1 l~s in Xe and 60 _ 5 Ixs in Kr. The phosphorescence is attributed to the 3T2s state, whose gas phase energy we estimate to be 12925 + 10 cm-t from the gas-to-matrix shift.

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