Abstract
The synthesis of copper nanostructures from solutions in the presence of oxidizing additives on the surface of opaque and transparent substrates was performed upon laser irradiation at 532nm. Organic alcohols such as ethanol and ethylene glycol were used as the reducing agents whereas potassium bromate was employed in order to demonstrate the influence of inorganic oxidizing additives on the process of the copper laser-induced synthesis from aqueous solutions. The presence of these additives increases the copper deposition rate during the synthesis which is a grand challenge of implementation of laser-induced liquid-phase metal deposition technique. The scanning electron microscopy, energy-dispersive analysis and impedance spectroscopy reveal that the synthesized copper structures from solutions containing potassium bromate composed of densely agglomerated nanocrystals.
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