CuInTe2 and In-rich telluride chalcopyrites thin films obtained by electrodeposition techniques

In order to obtain single-phase thin films of the system Cu-In-Te with optoelectronic properties adequate for solar cells, electrodeposition techniques were used on substrates of molybdenum supported by glass. Different annealings in Te atmosphere have been done that affect the Te concentration and...

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Bibliographic Details
Published in:Solar energy materials and solar cells 2007-04, Vol.91 (7), p.621-628
Main Authors: ORTS, J. L, DIAZ, R, HERRASTI, P, RUEDA, F, FATAS, E
Format: Article
Language:English
Subjects:
Applied sciences
Energy
Exact sciences and technology
Natural energy
Photovoltaic conversion
Solar cells. Photoelectrochemical cells
Solar energy
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Summary:In order to obtain single-phase thin films of the system Cu-In-Te with optoelectronic properties adequate for solar cells, electrodeposition techniques were used on substrates of molybdenum supported by glass. Different annealings in Te atmosphere have been done that affect the Te concentration and In/Cu atomic ratio. Single chalcopyrite phase appears in two ranges of composition where the In/Cu atomic ratio varies between 0.21-0.76 and 0.90-3.46, respectively. Morphology, cell lattice parameters and electrical resistance for single-phase samples depend strongly on the composition in the annealed samples. The cell parameters ranges are a=6.141-6.183A and c=12.201-12.375A.
ISSN:0927-0248
1879-3398
DOI:10.1016/j.solmat.2006.11.014