Cobalt oxide has been grown using low cost electrospray deposition. The characterization of the obtained films showed that our method, using the above solution,only yielded Co3O4. If the goal is to obtain granular Cobalt oxide has been grown using low cost electrospray deposition. The characterization of the obtained films showed that our method, using the above solution, only yielded Co3O4. If the goal is to obtain granular surfaces, the best films were obtained at a substrate temperature of 250 1C with granular shaped grains. At higher temperatures, flake like structures are obtained, which could be preferred for catalytic applications because of the smaller grain size. The annealing at 400 1C did not enhance the crystalline properties but it did release some stress from around the grains as verified by Raman spectroscopy. The quality of the films could be considered acceptable if we consider that the deposition method is relatively a low tech process. Electrospraying is one of the most adapted techniques to industry, notably with the possibility of producing large surfaces where high qualities are not necessarily required.
Cobalt oxide has been grown using low cost electrospray deposition. The characterization of the obtained films showed that our method, using the above solution,only yielded Co3O4. If the goal is to obtain granular Cobalt oxide has been grown using low cost electrospray deposition. The characterization of the obtained films showed that our method, using the above solution, only yielded Co3O4. If the goal is to obtain granular surfaces, the best films were obtained at a substrate temperature of 250 1C with granular shaped grains. At higher temperatures, flake like structures are obtained, which could be preferred for catalytic applications because of the smaller grain size. The annealing at 400 1C did not enhance the crystalline properties but it did release some stress from around the grains as verified by Raman spectroscopy. The quality of the films could be considered acceptable if we consider that the deposition method is relatively a low tech process. Electrospraying is one of the most adapted techniques to industry, notably with the possibility of producing large surfaces where high qualities are not necessarily required.
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