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聚醋酸乙烯酯/纳米zno颗粒复合材料的等离子聚合及其光学性能

Keywords: 复合材料,?等离子聚合,?表面改性,?纳米zno

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Abstract:

?采用等离子镀膜方法在纳米zno颗粒表面沉积一层有机薄膜,制备出聚合物/zno复合材料。用高分辨透射电子显微镜(hrtem)、傅立叶变换红外光谱(ftir)、光致发光光谱(pl)和紫外--可见吸收光谱(uv--vis)对其形貌、结构和性能进行表征,研究了聚合物/zno复合材料的光学性能以及聚合物与纳米zno颗粒的结合强度。结果表明,用等离子镀膜法可在纳米zno颗粒表面沉积一层醋酸乙烯酯(vac)聚合物薄膜,薄膜与无机纳米zno颗粒以共价键形式结合,结合牢固。这层聚合物薄膜改变了纳米zno的表面性能,导致聚合物/zno复合材料的紫外--可见吸收能力增强而光致发光性能降低。

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