Photoelectrochemical characterization of CuGaSe2 and Cu(Ga, In)Se2 films
β Scribed by Anna Kisilev; Victor Marcu; David Cahen; Hans W. Schock; Rommel Noufi
- Publisher
- Elsevier Science
- Year
- 1990
- Weight
- 476 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0379-6787
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In-rich CuIn(Ga)Se 2 thin films are characterized by optical and electrical measurements. The results are consistently explained in the Shklovskij/Efros model appropriate for highly defective and highly compensated semiconductors. The dominant radiative recombination is of tail-impurity type at low
## Abstract Cu(In,Ga)Se~2~(CIGS) films were characterized by timeβresolved photoluminescence (TRPL) on performances of solar cells. Open circuit voltage and efficiency of the solar cells increased with increasing the TRPL lifetimes meausred at 77 K and room temperature. The results at 77 K show tha