The Features of the Photoconductivity Activation of CdTe Thin Films by Cadmium Halide Mixtures

The effect of the annealing temperature in the presence of mixtures of cadmium chloride and cadmium iodide of different compositions on the electrophysical properties of CdTe thin films is studied. This process, in which, as a rule, cadmium chloride is used, is called activation . It allows us to si...

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Bibliographic Details
Published in:Moscow University chemistry bulletin 2020-03, Vol.75 (2), p.82-86
Main Authors: Lutsenko, D. S., Gapanovich, M. V., Novikov, G. F.
Format: Article
Language:English
Subjects:
Activation
Cadmium
Cadmium chloride
Cadmium tellurides
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Composition
Photoconductivity
Photovoltaic cells
Solar cells
Thin films
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Summary:The effect of the annealing temperature in the presence of mixtures of cadmium chloride and cadmium iodide of different compositions on the electrophysical properties of CdTe thin films is studied. This process, in which, as a rule, cadmium chloride is used, is called activation . It allows us to significantly improve the efficiency of solar cells based on CdTe. It is found that the temperature of this process can be reduced from 450 to 300°C by replacing CdCl 2 with a mixture of the composition of ~60 mol % CdCl 2 to ~40 mol % CdI 2 .
ISSN:0027-1314
1935-0260
DOI:10.3103/S0027131420020078