Synthesis of FexZn1-xCr2O4 brown ceramic pigment by starch-assisted sol-gel process
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Keywords

Brown pigments
spinel
sol-gel method

How to Cite

1.
Tuyen TN, Quyen NDV, Lam TB. Synthesis of FexZn1-xCr2O4 brown ceramic pigment by starch-assisted sol-gel process. hueuni-jns [Internet]. 2019Jun.6 [cited 2024Mar.28];128(1B):13-9. Available from: https://jos.hueuni.edu.vn/index.php/hujos-ns/article/view/5245

Abstract

In the present paper, the ceramic pigments FexZn1-xCr2O4 (x = 0 ¸ 1) were synthesized with the starch-assisted sol-gel method. The resulting pigments were characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), and CIE L*a*b* color measurement. The results show that FexZn1-xCr2O4 pigments form at sintering temperature of 1100 OC for 60 minutes. The ACr2O4 spinel (A: Zn, Fe) and FeCrO3 perovskite phase with excellent crystallinity appears. The brown color intensity increases gradually with the increase of the number of substituted Fe2+ cations. The pigments meet industrial requirements in terms of physicochemical characteristics.

https://doi.org/10.26459/hueuni-jns.v128i1B.5245
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