Electrochemical formation and composition analysis of Zn
x
Cd1-x
Se solid solutions |
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Authors: | M Bouroushian T Kosanovic |
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Institution: | (1) General Chemistry Laboratory, School of Chemical Engineering, National Technical University of Athens, Zografos Campus, 157 80 Athens, Greece |
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Abstract: | The direct growth of ZnSe–CdSe solid solution onto metallic cathodes by electrodeposition from acidic aqueous sulphate solutions
is described. The plating process is studied by simple voltammetry, while the structure and composition of the electrolytic
deposits are investigated by X-ray diffraction. The experimental d-spacing values of the as-grown mixed lattice are compared to data from reference Zn
x
Cd1-x
Se pellets of standard composition, produced by a sintering method. The findings are supplemented with energy-dispersive X-ray
(EDX) elemental analysis. Thereupon, the variation of the mole fraction x in Zn
x
Cd1-x
Se, and the solid phase constitution of the electrodeposits are determined and correlated to the electrochemical conditions
of growth. The resulting films contain admixtures of CdSe compound and metallic Cd. |
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Keywords: | Zinc– cadmium-selenide Electrodeposition X-ray diffraction Solid solutions |
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