Sodium-doping of ZnTe film by close-spaced sublimation for back contact of CdTe solar cell
Low resistivity p-type ZnTe film was formed by close-spaced sublimation utilizing sodium compounds as sodium source for doping. Sodium was incorporated during film deposition with ZnTe sources containing various amount of Na2Te, Na3PO4, or NaCl. Film resistivity of less than 1 Omega cm with hole concentration of 6 x 10(17) cm(-3) was achieved by doping with Na2Te. However, doping with Na3PO4 or NaCl was less effective in reducing the resistivity of ZnTe film due to low carrier concentration. Hole mobility was correlated with the microstructure of the ZnTe film, which strongly depends on the kind and content of sodium compound in the source. (C) 2010 Elsevier B.V. All rights reserved.
- Publisher
- ELSEVIER SCIENCE BV
- Issue Date
- 2011-01
- Language
- English
- Article Type
- Article; Proceedings Paper
- Keywords
SHALLOW ACCEPTORS; THICKNESS; CDS/CDTE
- Citation
CURRENT APPLIED PHYSICS, v.11, no.1, pp.109 - 112
- ISSN
- 1567-1739
- Appears in Collection
- MS-Journal Papers(저널논문)
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