Evaluation of the minority carrier diffusion length and edge surface‐recombination velocity in GaAsp/nsolar cells

Autor: Roshanak Hakimzadeh, Sheila G. Bailey, Hans J. Möller
Rok vydání: 1992
Předmět:
Zdroj: Journal of Applied Physics. 72:2919-2922
ISSN: 1089-7550
0021-8979
DOI: 10.1063/1.351494
Popis: The hole minority carrier diffusion length (Lp) and the edge surface‐recombination velocity (Vs) were measured as a function of distance (x) from the p‐n junction in GaAs p/n concentrator solar cells. The measured Vs values were used in a theoretical expression for the normalized electron beam‐induced current. A fit of the experimental data was used to determine Lp. Lp measured in irradiated cells showed a marked reduction as compared to the unirradiated cells. Our results were compared to results obtained in previous studies that did not account for Vs.
Databáze: OpenAIRE