초록

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Abstract ▼ AI-Helper

$TiO_2$ thin films were spin coated on commercial Nickel-Silver with 2%Ti-naphthanate toluene solution by sol-gel process. The thin films were heat-treated at $500^{\circ}C$ for 2min and then decorative-protective coating was obtained. The conditions for gold colored coating, a...

$TiO_2$ thin films were spin coated on commercial Nickel-Silver with 2%Ti-naphthanate toluene solution by sol-gel process. The thin films were heat-treated at $500^{\circ}C$ for 2min and then decorative-protective coating was obtained. The conditions for gold colored coating, and the morphology, microstructure and color of the coating surface were have been characterized by Optical microscope, Photospectrometer and XRD. The heating temperature of colored-$TiO_2$ coating was $500^{\circ}C$ and was preferable. The average thickness of 1 time coating was $0.24{\mu}m$ and the total thickness increased linearly as a function of the coating time. The color of amorphous colored-$TiO_2$ coating was changed from gold to dark redish gold with coating time. 'L' as lightness and 'b' were decreased to red, but 'a' was decreased to blue after increase with coating time.