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	Near-infrared plasmonic absorption of three-dimension disk/hole cavity nanoantenna for high-performance biosensing
	Fan, Jiaorong ; Li, Zhongyuan ; Yang, Hui ; Ma, Pengcheng ; Wu, Wengang
	2015
英文摘要	We experimentally demonstrate perfect near-infrared absorption of three-dimensional plasmonic disk/hole nanoresonator array, consisting of a metallic nanodisk-antenna layer hovering above a nanohole metallic layer. Each nanodisk structure is supported by/is located on a SiO2nanopillar from each hole. In good agreement with theoretical predictions, such a metamaterial plasmonic structure exhibits ��99% absorbance at ��=800 nm. We also show that the structure can serve as a high-performance refractive index sensing with a sensitivity of 889 nm per refractive-index unit and a figure of merit of 4.8. The near-infrared response of the localized surface plasmon resonance sensors on the standard streptavidin-biotin binding events is investigated. ? 15CBMS-0001.; EI; 1804-1806
语种	英语
出处	19th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2015
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/449617]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Fan, Jiaorong,Li, Zhongyuan,Yang, Hui,et al. Near-infrared plasmonic absorption of three-dimension disk/hole cavity nanoantenna for high-performance biosensing. 2015-01-01.

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