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Multilayer for antireflection coating applications using metal nanoparticles to provide ultraviolet blocking
Journal of Nanophotonics ( IF 1.5 ) Pub Date : 2020-09-22 , DOI: 10.1117/1.jnp.14.036016
Sunil Deka 1
Affiliation  

Abstract. We propose the use of metal nanoparticles (NPs) [(silver (Ag)] embedded heterogeneous composite material made of titanium dioxide (TiO2) for antireflection coating (ARC) while partially blocking the transmission of near-ultraviolet (UV) radiation across the thin-film arrangement. The proposed structure consists of two layers of porous TiO2 thin film of specific thickness and volume fraction to attain antireflection property with Ag NPs embedded in the upper layer to optimize the UV blocking potentiality within the range of 320 to 400 nm. The calculations indicate that 10-nm Ag NPs with volume fraction of 0.01 and film thickness (51-nm top layer and 102-nm bottom layer) give the best results for blocking of near-UV radiation. Decreasing the aspect ratio of the prolate nanospheriod gives better UV blocking intensity.

中文翻译:

多层用于抗反射涂层应用,使用金属纳米粒子提供紫外线阻挡

摘要。我们建议使用金属纳米粒子 (NPs) [(银 (Ag)] 嵌入由二氧化钛 (TiO2) 制成的异质复合材料作为抗反射涂层 (ARC),同时部分阻止近紫外线 (UV) 辐射穿过薄层的传输。 -膜排列。所提出的结构由两层特定厚度和体积分数的多孔 TiO2 薄膜组成,以获得抗反射性能,Ag NPs 嵌入上层以优化 320 至 400 nm 范围内的紫外线阻挡潜力。计算表明,体积分数为 0.01 和薄膜厚度(51-nm 顶层和 102-nm 底层)的 10-nm Ag NPs 提供了阻挡近紫外辐射的最佳结果。降低长长的纳米球体的纵横比给出更好的紫外线阻挡强度。
更新日期:2020-09-22
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