Effect of Sr2+ doping on the preparation and properties of γ-Ce2S3 red pigment
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Sr2+-doped γ-Ce2S3 red pigment was prepared via the combination of coprecipitation and sulfurization process. The effects of the Sr2+/Ce3+ mole ratio, x, on the synthesis of γ-Ce2S3, crystal structure, color performance, and temperature stability were systematically studied. The results show that a pure γ-Ce2S3 can be obtained at 900 °C for 150 min with a Sr2+ dopant. As the Sr2+/Ce3+ mole ratio, x, increases, the band gap of the samples gradually increases and the chromaticity of the samples gradually shifts from red to orange. When the mole ratio, x, is 0.15, the pigment sample has the highest quality red color: L* = 33.14, a* = 33.42, b* = 22.16. The pigment with this composition remains in γ phase when heated at 350 °C for 30 min in air, and maintains an excellent red color: L* = 32.65, a* = 30.35, b* = 19.23.
This work was supported by the National Natural Science Foundation of China (no. 51462010), the Natural Science Foundation of Jiangxi Province (no. 20161BAB206132, no. 20171ACB20022), and the Science and technology program Foundation of Jingdezhen (no. 2017GYZD019-012).
- 5.S. Peng, Y. Gao, B.L. Lei, J.Q. Wu, J. China Ceram. 54, 38–47 (2018)Google Scholar
- 6.J. Flahaut, K.A. Gschneider Jr., L. Eyring, Handbook on the physics and chemistry of rare earths, 1st edn. (Elsevier, Amsterdam, 1979), p. 1Google Scholar
- 10.M.Y. Chu, H.S. Shen, S.T. Huang, J. Sun, J.Y. Shen, J. Chin. Rare Earths Soc. 6, 680–683 (2002)Google Scholar
- 13.X.J. Wu, S.Y. Yu, S.H. Zeng, H.Q. Su, Y.H. Wang, Z. Cao, J. Chin. Rare Earth. Soc. 6, 714–717 (2011)Google Scholar
- 14.M.M. Zhou, S.L. Po, China Patent: C.N. Patent 10160872 (2008)Google Scholar
- 22.W.J. Hu, S.Q. Tang, Z.F. Zhu, Modern color science and application, 1st edn. (Beijing Institute of Technology Press, Beijing, 2007), pp. 69–71Google Scholar
- 23.Z.H. Chen, Y.M. Li, Y. Shen, Z.X. Xie, Z.G. Ma, Y.Q. Gao, J. Chin. Ceram. Soc. 46, 413–419 (2018)Google Scholar
- 25.Z.F. Zhu, G.H. Chen, H. Liu, J. Funct. Mater. 44, 1825–1828 (2013)Google Scholar