Title :
The effects of CdS processing and glass substrates on the performance of CdTe solar cells
Author :
Ferekides, C.S. ; Dugan, K. ; Ceekala, V. ; Killian, J. ; Oman, D. ; Swaminathan, R. ; Morel, D.L.
Author_Institution :
Dept. of Electr. Eng., Univ. of South Florida, Tampa, FL, USA
Abstract :
Cadmium sulfide films prepared by RF sputtering and close spaced sublimation (CSS) have been used for the fabrication of CdTe/CdS thin film solar cells on borosilicate glass substrates. The CdTe layer was prepared by CSS at high processing temperatures (600°C). CdS films prepared by the chemical bath deposition process (CBD) were deposited on tin oxide coated soda lime glass substrates. For these devices the CSS CdTe films were prepared at low substrate temperatures (<550°C). Devices prepared at low processing temperatures (CdTe-CSS/CdS-CBD) on soda lime glass substrates exhibited efficiencies in excess of 13% as measured under AM 1.5 conditions at the National Renewable Energy Laboratory
Keywords :
II-VI semiconductors; cadmium compounds; electrodeposition; electrodeposits; semiconductor device testing; semiconductor growth; semiconductor thin films; solar cells; sputter deposition; sputtered coatings; substrates; 600 C; CdTe-CdS; CdTe/CdS thin film solar cells; RF sputtering; borosilicate glass substrates; chemical bath deposition process; close spaced sublimation; fabrication; processing temperature; soda lime glass substrates; substrate temperature; Cadmium compounds; Cascading style sheets; Chemical processes; Fabrication; Glass; Photovoltaic cells; Radio frequency; Sputtering; Substrates; Temperature;
Conference_Titel :
Photovoltaic Energy Conversion, 1994., Conference Record of the Twenty Fourth. IEEE Photovoltaic Specialists Conference - 1994, 1994 IEEE First World Conference on
Conference_Location :
Waikoloa, HI
Print_ISBN :
0-7803-1460-3
DOI :
10.1109/WCPEC.1994.519817
