采用溶剂热合成法,制备了仙人球状Ag/TiO2颗粒,经γ-甲基丙烯酰氧基丙基三甲氧基硅烷(KH570)对其进行表面修饰后,通过乳液聚合法制备了Ag/TiO2@PMMA复合超材料.经透射电子显微镜(TEM)分析证明改性后的Ag/TiO2颗粒成功地装载在聚甲基丙烯酸甲酯(PMMA)内,形成复合核壳颗粒Ag/TiO2@PMMA；经扫描电子显微镜(SEM)分析证实复合核壳颗粒排列均匀,单分散性良好.光学性能测试表明,该复合材料在可见光波段波长为530 nm附近出现了单一透射峰,峰高约为6％,并且在此波长下具有纳米平板聚焦现象,聚焦强度为4％.
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