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Control on the dispersion of gold nanoparticles in an epoxy network

机译:控制金纳米颗粒在环氧网络中的分散

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摘要

Poly (N-vinyl-2-pyrrolidone) (PVP)-protected gold nanoparticles (NPs) were used as modifiers of epoxy/PVP systems to obtain well dispersed, homogeneous nanocomposites. The presence of the homopolymer significantly enhanced the NPs dispersion grade, probably due to the double role of PVP as complexing agent of the metallic cores and soluble modifier of the epoxy network. Tuning of the optical properties could be attained through the use of nanoparticles with variable shapes and sizes. The homogeneity of the colors and the absence of scattering in the final nanocomposites could found practical applications in the development of new optical devices. (c) 2007 Elsevier B.V. All rights reserved.
机译:聚(N-乙烯基-2-吡咯烷酮)(PVP)保护的金纳米颗粒(NPs)被用作环氧/ PVP系统的改性剂,以获得分散良好的均匀纳米复合材料。均聚物的存在显着提高了NPs的分散度,这可能是由于PVP作为金属核的络合剂和环氧网络的可溶性改性剂的双重作用。通过使用具有可变形状和尺寸的纳米粒子,可以实现光学性质的调节。颜色的均匀性和最终纳米复合材料中不存在散射可以在开发新的光学设备中找到实际应用。 (c)2007 Elsevier B.V.保留所有权利。

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