利用热气流法制备的宏观平行取向介孔二氧化硅薄膜为载体,经氨基硅烷APTS对孔道进行表面修饰后,在介孔孔道中原位生成了金纳米线.研究结果表明:由于介孔孔道的限制效应,在氯金酸的乙醇溶液中浸泡较长时间后,利用氢气还原可获得长径比较大的金纳米线.Z扫描测试表明,这种金纳米线-介孔二氧化硅复合薄膜材料具有明显的非线性光学特性.在532 nm的激光下,它还表现出明显的各向异性,有望在新型光学器件方面得到应用.
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