Failure of reciprocity in light-induced changes in hydrogenated amorphous silicon alloys
- 1 September 1984
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 45 (5), 569-570
- https://doi.org/10.1063/1.95283
Abstract
From a study of the effect of light exposure on photoconductivity and solar cell performance of hydrogenated amorphous silicon alloys for different exposure time and intensity, we show that the light-induced changes do not obey reciprocity. Degradation is larger at high intensity light exposure for a shorter time than at low intensity exposure for a longer time even though the product of the exposure time and light intensity is kept a constant. A model that can explain the failure of reciprocity is discussed.Keywords
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