用反相微乳液法合成Fe3O4/CdS纳米复合微粒.用UV-Vis、PL、VSM和TEM对产物进行了表征,并对其结合机理进行了简单分析,认为主要以化学键结合和表面类齿轮切合作用所致.还研究了不同的合成条件对复合材料性能的影响.结果表明,随着微乳液水核尺寸增大,荧光发射光谱逐渐红移,同时壳层厚度先增后减.复合材料中磁性组份比重过大会引起荧光的迅速减弱,磁性先驱物与量子点先驱物物质的量比为0.25～0.5时比较合适.
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