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穆云云,刘红梅,李行,韩佳,黄翠莺,王蒙,翟天瑞,张新平.基于金-银合金材料的波导耦合金属光子晶体传感特性研究[J].稀有金属材料与工程(英文),2019,48(9):2879~2884.[Mu Yunyun,Liu Hongmei,Li Hang,Han Jia,Huang Cuiying,Wang Meng,Zhai Tianrui and Zhang Xinping.Sensing Characteristics of the Gold-Silver Alloy Nanoparticles Assembled Waveguided Metallic Photonic Crystals[J].Rare Metal Materials and Engineering,2019,48(9):2879~2884.]
Sensing Characteristics of the Gold-Silver Alloy Nanoparticles Assembled Waveguided Metallic Photonic Crystals
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Received:April 12, 2018??Revised:May 31, 2018
DOI:
Key words:?gold-silver alloy nanoparticles??the waveguided metallic photonic crystals??Fano resonance??biosensors
Foundation item:国家自然科学基金(11304005),北京市教委项目(KM201510005030)
Author NameAffiliation
Mu Yunyun,Liu Hongmei,Li Hang,Han Jia,Huang Cuiying,Wang Meng,Zhai Tianrui and Zhang Xinping??
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Abstract:
??????By improving Brust method, we synthesize 1-hexanthiol modified gold-silver alloy nanoparticles with an atomic composition of Ag0.66Au0.33. By using the alloy nanoparticles as “building block”, we successfully assemble one-dimensional waveguided alloy photonic crystals through a solution processible method. Under the same conditions, the sensitivity of the biosensor built with the waveguided alloy photonic crystals is 2.5 times that of the similar structure made of pure gold. Gold-silver alloy nanoparticles assembled waveguided metallic photonic crystals exhibits potential application in biosensors due to its low-cost fabrication process and simple testing methods.