Light-induced degradation at the silicon/silicon dioxide interface

Gruenbaum, P. E.; Sinton, R. A.; Swanson, R. M.
April 1988
Applied Physics Letters;4/25/1988, Vol. 52 Issue 17, p1407
Academic Journal
Single-crystal silicon point-contact solar cells show a degradation in their efficiency after being exposed to concentrated sunlight. This change has been linked to an increase in the surface recombination velocity. A similar effect is produced by carrier injection under forward bias. The annealing kinetics, the role of ultraviolet light, and possible causes for the creation of surface states are discussed.


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