由紫外线固化有机无机复合材料制成的机械坚固且柔韧的抗反射涂层

IF 5.1 2区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Ceramics International Pub Date : 2024-09-23 DOI:10.1016/j.ceramint.2024.09.297

Yu Lei Liu , Jian Yong Huang , Liang Bin Li , Chang Feng Liu , Hai Chao Qi , Jing Bin Hou , Chao Li , Heng Li , Yan Feng

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引用次数: 0

摘要

将中空二氧化硅纳米粒子与有机树脂混合，制备出机械坚固且柔韧的减反射涂层是一个不错的选择。本文利用聚丙烯酸模板制备了尺寸可调、分散性好且均匀的中空二氧化硅纳米粒子，其中中空二氧化硅纳米粒子的尺寸可在 60 至 370 nm 之间调节。将中空二氧化硅纳米粒子与紫外线固化的硅倍半氧烷溶胶复合，制备出折射率分别为 1.11、1.20、1.27 和 1.36 的四组复合涂层。每种涂层都能显著降低 PET 基底的反射率，并能使 PET 基底的最低反射率分别达到 1.63 %、1.26 %、0.96 % 和 1.45 %。其中，反射率最低的涂层可将 PET 基底在 400-1000 纳米波段的平均反射率从 5.92 % 降至 2.02 %。此外，有机树脂还能将中空的二氧化硅纳米粒子连接在一起，从而提高涂层的机械坚固性。铅笔硬度计的测试结果表明，复合涂层的机械性能得到了显著改善。中空 SiO2 纳米粒子与有机树脂的复合减反射涂层不仅在柔性基底材料中具有优异的减反射性能，而且在光伏玻璃、建筑玻璃等领域也有很大的应用前景。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Mechanically robust and flexible antireflection coatings from UV-cured organic-inorganic composites

It is a good choice to mix hollow SiO₂ nanoparticles with organic resins to prepare mechanically robust and flexible anti-reflective coating. In this paper, hollow SiO₂ nanoparticles with adjustable size, good dispersion and homogeneity were prepared by polyacrylic acid template, in which the size of the hollow silica nanoparticles can be adjusted between 60 and 370 nm. Hollow SiO₂ nanoparticles were compounded with UV-cured silsesquioxanes sol to prepare four sets of composite coatings with refractive indices of 1.11, 1.20, 1.27 and 1.36. Each of these coatings can result in a significant reduction in the reflectance of the PET substrate and can result in the lowest reflectance of the PET substrate to 1.63 %, 1.26 %, 0.96 % and 1.45 %, respectively. Among them, the coating with the lowest reflectance result can reduce the average reflectivity of the PET substrate in the 400–1000 nm band from 5.92 % to 2.02 %. In addition, the organic resins can connect the hollow SiO₂ nanoparticles together to improve the mechanically robust of the coating. The results of the pencil hardness tester showed that the mechanical properties of the composite coating were significantly improved. The composite anti-reflective coating with hollow SiO₂ nanoparticles and organic resin not only has excellent anti-reflective performance in flexible substrate materials, but also has great application prospects in photovoltaic glass, architectural glass and other fields.

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来源期刊

Ceramics International 工程技术-材料科学：硅酸盐

CiteScore

9.40

自引率

15.40%

发文量

4558

审稿时长

25 days

期刊介绍： Ceramics International covers the science of advanced ceramic materials. The journal encourages contributions that demonstrate how an understanding of the basic chemical and physical phenomena may direct materials design and stimulate ideas for new or improved processing techniques, in order to obtain materials with desired structural features and properties. Ceramics International covers oxide and non-oxide ceramics, functional glasses, glass ceramics, amorphous inorganic non-metallic materials (and their combinations with metal and organic materials), in the form of particulates, dense or porous bodies, thin/thick films and laminated, graded and composite structures. Process related topics such as ceramic-ceramic joints or joining ceramics with dissimilar materials, as well as surface finishing and conditioning are also covered. Besides traditional processing techniques, manufacturing routes of interest include innovative procedures benefiting from externally applied stresses, electromagnetic fields and energetic beams, as well as top-down and self-assembly nanotechnology approaches. In addition, the journal welcomes submissions on bio-inspired and bio-enabled materials designs, experimentally validated multi scale modelling and simulation for materials design, and the use of the most advanced chemical and physical characterization techniques of structure, properties and behaviour. Technologically relevant low-dimensional systems are a particular focus of Ceramics International. These include 0, 1 and 2-D nanomaterials (also covering CNTs, graphene and related materials, and diamond-like carbons), their nanocomposites, as well as nano-hybrids and hierarchical multifunctional nanostructures that might integrate molecular, biological and electronic components.