Reduction of recombination current in CdTe/CdS solar cells
- 25 September 1995
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 67 (13) , 1896-1898
- https://doi.org/10.1063/1.114369
Abstract
A study of the current–voltage behavior of recombination current in CdTe/CdS solar cells has shown that the reverse saturation current, J0, and the diode quality factor, A, are correlated. Our better devices typically have low values of both A and J0. Spectral response data indicate that devices with a gradual decline in quantum efficiency beginning at about 600 nm show better performance than devices with a sharp drop at the CdS band gap of 510 nm, which is interpreted as an indication that mixing between CdS and CdTe during processing reduces the amount of recombination current at the interface.Keywords
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