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In this study, yellow ceramic nano pigments based on ZrO₂ (zirconium oxide) were synthesized by solid state method using different value of Fe₂O₃ as dopant. The pigments were dispersed in solvent by a planetary ball mill and then the inks were printed on the ceramic surface using screen printing method. The samples were analyzed using scanning electron microscopy (SEM), X-ray diffraction spectrum (XRD) and CIE Lab Colorimetric Analysis. Results showed that by changing the amount of Fe₂O₃ dopant from 0.07 to 0.2 gr, the average particle size changed from 170 to134 nm. The colorimetric results revealed that after increasing Fe₂O₃ dopant, the amount of a* parameter increased from 1.21 to 6.72, b* from 34.72 to 47.53, while L* parameter (lightness) reduced. After printing of pigments on the ceramic surface, the average particle size of each sample decreased; also, the L* (lightness) and a* (red) increased while b* (yellow) decreased.

Keywords: Solid-state method, Yellow nano-pigment, Zirconium oxide, Iron oxide, Colorimetry

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