Transparent and UV-shielding ZnO@PMMA nanocomposite films
Transparent and UV-shielding ZnO@PMMA nanocomposite films
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DOI：
10.1016/j.optmat.2013.08.021
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发表时间：
2013-12
影响因子：
3.9
通讯作者：
Yewei Zhang;Zhuang Shendong;Xiaoyong Xu;Jingguo Hu
中科院分区：
文献类型：
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作者：
Yewei Zhang;Zhuang Shendong;Xiaoyong Xu;Jingguo Hu
通过在透明的聚甲基丙烯酸甲酯（PMMA）基体中引入合适的紫外吸收性氧化锌量子点，成功制备了可见光穿透和紫外屏蔽的氧化锌量子点（ZnO QDs）-聚甲基丙烯酸甲酯（PMMA）纳米复合薄膜。首先通过溶胶-凝胶法合成了约5 nm的ZnO量子点。然后将甲基丙烯酸3-（三甲氧基硅基）丙酯（TPM）作为偶联剂结合到ZnO量子点表面，抑制量子点的团聚，促进ZnO量子点与PMMA基体的相容性。这种透明的ZnO@PMMA纳米复合薄膜在可见光范围内表现出显著的紫外吸收能力和高的光学透明性，因此具有直接的实际应用，如紫外屏蔽窗和玻璃。
We fabricated successfully the visible light (VL)-traversing and ultraviolet (UV)-shielding zinc oxide quantum dots (ZnO QDs)–poly(methyl methacrylate) (PMMA) nanocomposite films by incorporating suitable UV-absorbing ZnO QDs into a transparent PMMA matrix. The ZnO QDs of about 5 nm were first synthesized via a sol–gel route. Then the 3-(trimethoxysilyl)propylmethacrylate (TPM) as a coupling agent is bound to the surface of ZnO QDs, inhibiting the agglomeration of QDs and promoting the compatibility between ZnO QDs and PMMA matrix. Such the transparent ZnO@PMMA nanocomposite films exhibit the prominent UV-absorbing capability and the high optical transparency in the visible-wavelength region, thus have direct practical applications such as UV-shielding windows and glasses.