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多孔氧化铝膜的制备及其光学性质

, PP. 50-52

Keywords: 周期结构金属薄膜,多孔氧化铝膜,表面等离子激元波,透过率增强

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Abstract:

提出了一种制备具有周期结构金属薄膜的新方法---阳极氧化法制备多孔氧化铝膜.以草酸为电解液,制备出了几种表面孔径不同的多孔氧化铝膜,并在其表面镀银制得样品.用场发射扫描电镜观察多孔氧化铝膜的表面形貌,并采用光谱仪测定了样品的透射光谱.研究发现,由于表面等离子激元波(surfaceplasmonpolaritons,spps)的作用,在可见光波段观察到了透过率异常增强现象.

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