摘要
采用液相共沉淀法制备了Bi0.9M0.1VO4 (M = Zn、Y、La、Sm)黄色颜料。采用测色分光光度计、X-射线衍射仪、扫描电子显微镜、紫外/可见光反射光谱和红外光谱等分析手段研究了不同金属离子掺杂对BiVO4基颜料的结构与呈色性能的影响。结果表明,Zn2+掺杂未改变BiVO4的单斜晶系结构,样品黄色度(b*)和颜色饱和度(C*)相对纯BiVO4颜料明显提高,呈现鲜艳的绿相黄色。La3+掺杂样品以单斜相为主,同时存在四方相,颜料b*值降低,呈现红相黄色。采用Y3+和Sm3+掺杂时,样品完全由四方相组成,b*值显著降低,呈现淡黄色。Zn2+掺杂可减小颜料晶粒粒径和提高分散性,而La3+掺杂晶粒以片状结构为主,团聚现象明显。
Doped Bi0.9M0.1VO4 (M = Zn, Y, La, Sm) yellow pigments were prepared by aqueous coprecipitation method. The in fluence of different metal ions doping on the phase structure, color performance and morphology of prepared BiVO4-based pigments was investigated by means of colorimetric spectrophotometer, X-ray diffraction (XRD), scanning electron microscopy (SEM), ultraviolet/visible light reflectance spectroscopy and infrared spectroscopy analyses. Results show that the Zn 2+ doped sample has the same monoclinic scheelite structure as the pure BiVO 4 pigment. The yellow hue (b*) and chroma (C*) of the sample were increased obviously with the doping of 10 mol% Zn2+. The obtained pigment shows bright greenish yellow. The La3+ doped sample is mainly composed of monoclinic crystalline phase with minor tetragonal phase, and shows a hazy yellow with reduced b* value. With Y 3+ and Sm3+ doping, the phase structure is completely changed to be tetragonal, which leads to faint yellow. The Zn 2+ doping can reduce the grain size and improve the dispersity of pigment powder, while the La 3+ doped sample mostly consists of plate particles with serious aggregation.
作者
陶锐
江瑜华
刘华锋
张小珍
陈仁华
常启兵
汪永清
TAO Rui;JIANG Yuhua;LIU Huafeng;ZHANG Xiaozhen;CHEN Renhua;CHANG Qibing;WANG Yongqing(School of Materials Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333403, Jiangxi, China;Jiangxi Jinhuan Pigments Co., Ltd., Yichun 336000, Jiangxi, China)
出处
《陶瓷学报》
CAS
北大核心
2019年第3期371-376,共6页
Journal of Ceramics
基金
国家自然科学基金(51772136)
江西省重点研发计划项目(20181ACE50017)
江西省研究生创新项目
关键词
钒酸铋
黄色颜料
金属离子
掺杂
共沉淀法
bismuth vanadate
yellow pigment
metal ion
doping
coprecipitation method
