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Science 27 September 1968:
Vol. 161. no. 3848, pp. 1342 - 1343
DOI: 10.1126/science.161.3848.1342
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Articles

Excited Singlet Absorption in 1,2-Benzanthracene by the Use of Nanosecond Laser Photolysis and Spectroscopy

J. R. Novak 1 and M. W. Windsor 1

1 Chemical Sciences Department, TRW Systems, One Space Park, Redondo Beach, California 90278

Using the technique of laser photolysis and spectroscopy, we have observed excited singlet state absorption bands in 1,2-benzanthracene at 560 and 520 nanometers. The bands decay in less than 50 nanoseconds and are replaced by the known absorption spectrum of the lowest triplet state.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)