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Transparent and UV-shielding ZnO@PMMA nanocomposite films

机译:透明和紫外线屏蔽的ZnO @ PMMA纳米复合膜

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摘要

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.
机译:通过将合适的吸收紫外线的ZnO QDs掺入透明的PMMA基质中,我们成功地制造了可见光(VL)横越和屏蔽紫外线(UV)的氧化锌量子点(ZnO QDs)-聚甲基丙烯酸甲酯(PMMA)纳米复合膜。 。首先通过溶胶-凝胶路线合成约5 nm的ZnO QD。然后,将作为偶联剂的甲基丙烯酸3-(三甲氧基甲硅烷基)丙基酯(TPM)结合到ZnO QD的表面,抑制QD的团聚并促进ZnO QD与PMMA基质之间的相容性。这种透明的ZnO @ PMMA纳米复合膜在可见光波长区域具有突出的紫外线吸收能力和较高的光学透明性,因此具有直接的实际应用,如紫外线屏蔽窗和玻璃。

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