Solar Cells Made by Chalcopyrite Materials
- 1 January 1980
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 19 (S3)
- https://doi.org/10.7567/jjaps.19s3.5
Abstract
After a discussion of the material characteristics, which are necessary for high efficiency solar cells, some chalcopyrite materials are indicated as promising photovoltaic absorbers. Among these, CuInSe2, CuInSe1.66 Te0.34 and CuGaSe0.65 Te1.35 from the I-II-VI group and CdSiAs2 from the II-IV-V group seem to have a greater probability of success owing to their good lattice matching with CdS or ZnCdS. A brief review of the results obtained to date on single crystals and thin film solar cells is given, and this is followed by a description of a new technique, called Quasi-Rheotaxy, which allows one to obtain large grain thin films on amorphous low cost substrates. Quasi-Rheotaxy, which we used to grow ∼10 µm grain thin films of the above mentioned I-III-VI chalcopyrite materials could substancially contribute to achieving low cost high efficiency thin film solar cells.Keywords
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