نتایج جستجو برای: cathodic electrodeposition
تعداد نتایج: 7548 فیلتر نتایج به سال:
Gd2O3 nanoparticles were prepared by a two–step process; cathodic electrodeposition followed by heat-treatment method. First, Gd(OH)3 nanoparticles was galvanostatically deposited from nitrate bath on the steel substrate by pulse current (PC) mode. The deposition experiments was conducted at a typical on-time and off-time (ton=1ms and toff=1ms) for 60 min. The electrodeposited precursor was the...
Effect of nano TiO2 particles on the corrosion properties of an epoxy based coatings was investigated. Coatings and nano Titania were applied on standard phosphated steel panels by cathodic electrodeposition simultaneously. The coated panels were immerged in 3.5 NaCl solution for 2880 hours 120 days. The SEM and EIS technique were used to investigate the electrodeposion of nano Titania particle...
Cathodic Potentiostatic Electrodeposition and Capacitance Characterization of Manganese Dioxide Film
Underpotential deposition, i.e. the cathodic deposition above reversible potential E(Men+/Me), produces an atomic layer of a metal on semiconductor electrode, such as e.g. bismuth telluride. This phenomenon allows electrodeposition superlattices formed building blocks layered structure joined by biatomic interlayer. work outlines optimized pulse controlled (Bi2)m(Bi2Te3)n films produced under m...
comparison of the effects of two substrates and additives on pulse current electrodeposition of au nanoparticles showed that using indium-tin oxide instead of cu and cysteine instead of potassium iodide can improve morphology, current efficiency, photocatalytic effect and increase the number of nanocrystals. the examinations using the field-emission scanning-electron-microscope (fe-sem) showed ...
Several Ge(II) and Ge(IV) compounds were investigated as possible reagents for the electrodeposition of Ge from liquid CH(3)CN and CH(2)F(2) and supercritical CO(2) containing as a co-solvent CH(3)CN (scCO(2)) and supercritical CH(2)F(2) (scCH(2)F(2)). For Ge(II) reagents the most promising results were obtained using [NBu(n)(4)][GeCl(3)]. However the reproducibility was poor and the reduction ...
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