Cathodic Electrochemical Modifications Of Cadmium Telluride Surfaces Formation Of Thin Cadmium Layers

D Lincot; J Vedel

doi:10.1117/12.938537

22 November 1986 Cathodic Electrochemical Modifications Of Cadmium Telluride Surfaces Formation Of Thin Cadmium Layers

D Lincot, J Vedel

Proceedings Volume 0659, Materials Technologies for Infrared Detectors; (1986) https://doi.org/10.1117/12.938537
Event: 1986 International Symposium/Innsbruck, 1986, Innsbruck, Austria

Abstract

Cathodic behavior of n-Type Cadmium Telluride is investigated in aqueous acidic and basic solutions by means of cyclic voltametry and in situ reflectanance measurements. The formation of cadmium layers is demonstrated in basic media wohereas no cadmium deposits are observed in acidic solution (pH = 0) under simular treatments. These results are explained by considering the variation with the pH value of the interface parameters (decomposition and hydrogen evolution potentials, band edges positions). It is shown that very uniform cadmium films of various thicknesses up to one micron can be grown on CdTe by this method.

Citation Download Citation

D Lincot and J Vedel "Cathodic Electrochemical Modifications Of Cadmium Telluride Surfaces Formation Of Thin Cadmium Layers", Proc. SPIE 0659, Materials Technologies for Infrared Detectors, (22 November 1986); https://doi.org/10.1117/12.938537

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