Characterization of CBD-CdS layers with different S/Cd ratios in the chemical bath and their relation with the efficiency of CdS/CdTe solar cells

O. Vigil-Galán, A. Morales-Acevedo, F. Cruz-Gandarilla, M. G. Jiménez-Escamilla, J. Aguilar-Hernández, G. Contreras-Puente, J. Sastré-Hernández, E. Sánchez-Meza, M. L. Ramón-Garcia

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33 Citas (Scopus)

Resumen

In previous papers we have reported the improvement of the efficiency of CdS/CdTe solar cells by varying the thiourea/CdCl2 ratio (Rtc) in the chemical bath solution used for the deposition of the CdS layers. In this work, a more complete study concerning the physical properties of Chemical Bath Deposited (CBD) CdS layers studied by photoluminescence, X-ray diffraction and optical spectroscopy are correlated to the I-V characteristics under AM 1.5 sunlight and the spectral response of CdS/CdTe solar cells. It is confirmed that the optimum Rtc for the CBD CdS films is Rtc = 5, since in this case the best solar cells were obtained and these films show the better optical and structural characteristics.

Idioma originalInglés
Páginas (desde-hasta)6085-6088
Número de páginas4
PublicaciónThin Solid Films
Volumen515
N.º15 SPEC. ISS.
DOI
EstadoPublicada - 31 may. 2007

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