Abstract
In this paper, we report on the possibility of obtaining uniform cobalt oxide nanolayers by slot-die printing of the dispersion onto conductive substrates. Dispersions for printing were obtained as a result of ultrasonic treatment of a mixture of cobalt oxide nanopowder with water. Nanopowder was synthesized by wet chemistry followed by heat treatment at a temperature of 200 °C. The resulting powder has platelet morphology. The chemical composition, uniformity, structure and size of the powder and nanolayers of cobalt oxide were studied using X-ray diffraction analysis (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray microanalysis (EDX). The proposed easy and cost-effective method of slot-die printing from dispersion can be prospectively used to the production of cobalt oxide nanolayers for development of thin-film electronics and solar cells.
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