El Instituto Politécnico Nacional
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http://repositoriodigital.ipn.mx/handle/123456789/11592| Título : | Influence of the thiourea/CdCl2 concentration ratio used for the chemical bath deposition of CdS thin films, upon the CdS/CdTe interface recombination velocity in CdTe/CdS/glass structures. |
| Palabras clave : | SOLAR CELL PHOTOACOUSTIC |
| Fecha de publicación : | 16-ene-2013 |
| Editorial : | JOURNAL OF APPLIED PHYSICS |
| Descripción : | In this work we study the influence of the thiourea/CdCl2 concentration ratio used for the chemical
bath deposition of CdS thin films on glass substrates, upon the CdS/CdTe interface recombination
velocity in CdTe/CdS/glass structures, where the CdTe layer was grown on the CdS thin film by
close space vapor deposition CSVT -hot wall technique. The interface recombination velocity was
measured by means of the photoacoustic PA technique in a heat transmission configuration, in
which minority carriers are photoexcited at the CdTe layer after illumination through the substrate
and the CdS thin film. For data processing, a theoretical model was developed for the generation of
the PA signal. We show a reduction in the value of the recombination velocity respecting those
obtained for samples where CdS was grown by CSVT, and we observe that a minimal value appears
for a thiourea/CdCl2 ratio in the CdS deposition solution equal to 5. These results show a good
correlation with those of electrical measurements performed in solar cell devices. INSTITUTO POLITECNICO NACIONAL, CONACYT |
| URI : | http://www.repositoriodigital.ipn.mx/handle/123456789/11592 |
| Otros identificadores : | doi:10.1063/1.3431534 http://hdl.handle.net/123456789/1129 |
| Aparece en las colecciones: | Doctorado |
Ficheros en este ítem:
| Fichero | Descripción | Tamaño | Formato | |
|---|---|---|---|---|
| JAP_Marin_2010.pdf | 40.24 kB | Adobe PDF | Visualizar/Abrir |
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