Enhanced Photoemission and Photovoltaic Effects in Semitransparent Cs3Sb Photocathodes
- 1 June 1962
- journal article
- research article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 33 (6) , 2110-2112
- https://doi.org/10.1063/1.1728905
Abstract
Measurements were made of photoemission and photovoltaic effects in thin (300–1250 Å) films of Cs3Sb, on a glass substrate, by scanning with a 20 μ‐diam light spot. Enhanced photoemission and photovoltaic effects are obtained in regions within 1 to 3 mm from an Al electrode contact. Enhancement is about 25% with white light, and as much as a factor of 2.5 at 6200 Å. A band model is proposed in which the top of the valence band is fixed with respect to the Fermi level at the vacuum surface, but bends up at the glass substrate and, even more, at the electrodes.This publication has 9 references indexed in Scilit:
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