Abstract
Novel (Cr,V)-ZrSiO4 jewel green pigments with near-infrared reflection performance were prepared at a low temperature of 900°C. Effects of Cr/Si mole ratio on phase composition, microstructure, Vis–NIR reflection performance, optical properties and thermal stability were studied. The results show that with the increase of Cr/Si mole ratio from 0 to 0.4, the color of the pigment changes from blue to jewel green and then to dark green. When the Cr/Si mole ratio is 0.2, the (Cr,V)-ZrSiO4 jewel green pigment shows the best comprehensive properties, which has rendering performance (L*=56.69, a*=−18.52, b*=−9.28), thermal stability, and near-infrared reflection performance. The properties especially excellent near-infrared reflection performance make it promising functional pigment in heat insulation.
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