Two-Photon Photogeneration in Amorphous Selenium
- 23 July 1973
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 31 (4) , 220-223
- https://doi.org/10.1103/physrevlett.31.220
Abstract
Two-photon photogeneration has been observed in amorphous selenium. The field dependence of this uniform bulk photogeneration process saturates at low fields and fits a Poole-Frenkel model down to 300 V/cm. The previously reported strong field dependence of the generation efficiency at low fields for strongly absorbed light is attributed to surface recombination.Keywords
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