Opto-electronic and electrochemical evaluations of particulate wo3 and sno2 in electrocodeposited Zn- tio2 nanocomposites coatings for sensor application

This study synthesized, characterized and determined the electronic optical properties of Zn-TiO2, Zn-TiO2-WO3 Zn-TiO2-SnO2 nano-composite coatings on low carbon steel. It has also effect these corrosion mild steel in saline environment. was with a view to produce an active coating providing alternative hazardous chromium coating. Active multi functional nano crystalline composites were electrolytically fabricated from Zinc bath, its Cation nanoparticulates TiO2, SnO2 WO3 uniformly codeposited Zn matrix. The nano-powders Scanning Electron Microscope/Energy Dispersive Spectrometer (SEM/EDS) analyses for confirmation chemical compositions purity. electrocodeposition bath developed 120 gram per litre ZnCl2, 30 KCl along sides nanopowders. Other additives including cetylpridinum chloride, 2- Butyne 1,4diol added as surfactants Thiourea stabilizer. coated specimens sectioned into parts, some which electrical meters solar simulator determine conductivity response samples respectively. Samples subjected experiment 3.5% NaCl (saline) media their resistance test through Potentiodynamic polarization method. results, generated displayed better 2.45E-01Ω-1m-1 made it sensor material outstanding rate at 0.10116 mm/year. concluded that both matrices Nano Particulate can be use materials but matrix showed presence absence uv light enhanced protection under dark conditions, thus sensor’s material.