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首页> 外文期刊>The journal of physical chemistry, C. Nanomaterials and interfaces >Full Color Plasmonic Nanostructured Surfaces and Their Sensor Applications
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Full Color Plasmonic Nanostructured Surfaces and Their Sensor Applications

机译:全彩等离子纳米结构化表面及其传感器应用

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In this Article, we report on plasmonic nanostructured surfaces with almost all colors by nanosphere lithography. The feature sizes of the plasmonic nanostructures can be controlled by O2 reactive ion etching and gold evaporation conditions. The optical properties of the plasmonic nanostructured surfaces can be easily tuned in the visible light region by changing etching time, and the color of plasmonic nanostructured surfaces does not change with the viewing angle up to 45°. More importantly, such surfaces show high bulk sensitivity to the refractive index variation, and they can be used as label-free, real-time biosensors to detect biomacro-molecules.
机译:在本文中,我们通过纳米球体光刻技术报告了几乎所有颜色的等离子体纳米结构表面。等离子体纳米结构的特征尺寸可以通过O 2反应离子蚀刻和金蒸发条件来控制。通过改变蚀刻时间,可以容易地在可见光区域中调整等离子体纳米结构表面的光学特性,并且等离子体纳米结构表面的颜色不会随着视角的变化而变化,直至45°。更重要的是,此类表面对折射率变化表现出很高的整体敏感性,因此它们可以用作无标记的实时生物传感器来检测生物大分子。

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