DocumentCode
3343740
Title
Diffusion barriers for CdS/CdTe Solar cells fabricated on flexible substrates
Author
Palekis, V. ; Singh, Karam ; Xianjin Feng ; Morel, Don L. ; Ferekides, Chris S.
Author_Institution
Dept. of Electr. Eng., Univ. of South Florida, Tampa, FL, USA
fYear
2013
fDate
16-21 June 2013
Firstpage
1150
Lastpage
1155
Abstract
Thin film CdS/CdTe solar cells of the substrate configuration have been fabricated on stainless steel substrates. Impurities diffusing from the substrate to the film during fabrication were detrimental to the performance of the cells. SiO2, Si3N4, and MoxNy (molybdenum nitride) diffusion barriers were used in order to study the effect of these barriers on cell performance. The results suggest that cell performance improves with the use of these barriers. MoxNy resulted in the best performance solar cells. A critical step for high efficiency CdTe solar cells is the cadmium chloride heat treatment (CdCl2-HT). Different conditions of the CdCl2-HT were studied in order to optimize the parameters for the treatment of the substrate solar cells.
Keywords
cadmium compounds; diffusion barriers; heat treatment; molybdenum compounds; silicon compounds; solar cells; stainless steel; thin film devices; CdS-CdTe; MoxNy; Si3N4; SiO2; cadmium chloride heat treatment; cell performance; diffusion barriers; flexible substrates; molybdenum nitride; stainless steel substrates; thin film solar cells; Annealing; Films; Impurities; Performance evaluation; Photovoltaic cells; Substrates; cadmium compounds; current-voltage characteristics; heat treatment; photovoltaic cells;
fLanguage
English
Publisher
ieee
Conference_Titel
Photovoltaic Specialists Conference (PVSC), 2013 IEEE 39th
Conference_Location
Tampa, FL
Type
conf
DOI
10.1109/PVSC.2013.6744344
Filename
6744344
Link To Document