Photogeneration of free carriers near 4000 Å at 77 °K in anthracene crystals
- 15 April 1975
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 62 (8) , 3269-3270
- https://doi.org/10.1063/1.430879
Abstract
A new mechanism of free charge creation in the singlet absorption region at low temperature in anthracene single crystals is suggested. At 77 °K an important photocurrent appears in both a and b polarized light, preceding the usual conduction due to free singlet exciton annihilation. This photoconduction is attributed to the interaction of charged defects with trapped excitons.Keywords
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