以CoCl2·6H2O和AlCl3为原料,NaOH为沉淀剂,采用水热法合成尖品石型纳米钻蓝色料.主要研究合成温度和保温时间对CoAl2O4色料主晶相、呈色的影响,采用XRD,TEM,FTIR,TG-DTA分光光度计等分析测试技术对合成产物进行表征.结果表明,在245℃/20h能制备出纯度较高的纳米CoAl2O4,其晶型完整、粒度均匀,粒径多为70nm左右,此时的色饱和度和色度值也达最佳.
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