The Photoluminescence Decay of Organic Crystals
- 1 August 1962
- journal article
- Published by IOP Publishing in Proceedings of the Physical Society
- Vol. 80 (2), 355-361
- https://doi.org/10.1088/0370-1328/80/2/302
Abstract
The photoluminescence decay of single (1 cm3) organic crystals has been observed over the time interval 0-250 nsec, using a pulsed light source, fast photomultiplier and pulse-sampling oscilloscope. The initial decay is exponential with decay time TO: anthracene (fresh surface) 25.8 nsec, naphthalene 82 nsec, p-terphenyl 6.2 nsec, trans-stilbene 6.0 nsec. The decay of anthracene with an aged surface approximates to two successive exponentials with TI N 16 nsec, TZ N 32 nsec. The decays of trans-stilbene, anthracene (fresh surface) and p- terphenyl are exponential over 100nsec (- 17decay periods), 250nsec and 100 nsec respectively.Keywords
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