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题名:
Fabrication and characterization of rhombic silver nanoparticles for biosensing
作者: Zhu Shaoli; Du ChunLEi; Fu Yongqi
刊名: Optical Materials
出版日期: 2009
卷号: 31, 期号:6, 页码:769-774
通讯作者: Zhu Shaoli
文章类型: 期刊论文
中文摘要: Fabrication and characterization of rhombic silver nanoparticles array bEing used as a localized surface plasmon resonance (LSPR)-based nano-biosensor were reported in this paper. The sensor consists of a rhombic Ag nanoparticles array with single particle dimension of not, vert, similar140 nm in-plane width and 47 nm out-of-plane hEight. Characteristics of the nanoparticles such as extinction spectroscopy properties, refractive index sensitivity, and concentration of the target molecules were analyzed. The LSPR-based extinction spectra of the antigen or antibody with lower concentration were detected. The detection results from 100 nM target molecule indicate a larger peak wavelength shift for the rhombic nanoparticles-based nano-biosensor than that of the reported triangular particles-based biosensor. Using a discrete dipole approximation (DDA) algorithm aided design approach we demonstrated that the refractive index sensitivity is 330 nm per refractive index unit for the fabricated rhombic Ag nanoparticles array.
英文摘要: Fabrication and characterization of rhombic silver nanoparticles array bEing used as a localized surface plasmon resonance (LSPR)-based nano-biosensor were reported in this paper. The sensor consists of a rhombic Ag nanoparticles array with single particle dimension of not, vert, similar140 nm in-plane width and 47 nm out-of-plane hEight. Characteristics of the nanoparticles such as extinction spectroscopy properties, refractive index sensitivity, and concentration of the target molecules were analyzed. The LSPR-based extinction spectra of the antigen or antibody with lower concentration were detected. The detection results from 100 nM target molecule indicate a larger peak wavelength shift for the rhombic nanoparticles-based nano-biosensor than that of the reported triangular particles-based biosensor. Using a discrete dipole approximation (DDA) algorithm aided design approach we demonstrated that the refractive index sensitivity is 330 nm per refractive index unit for the fabricated rhombic Ag nanoparticles array.
收录类别: SCI ; Ei
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/4992
Appears in Collections:微电子装备总体研究室(四室微光学) _期刊论文

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作者单位: 中国科学院光电技术研究所

Recommended Citation:
Zhu Shaoli,Du ChunLEi,Fu Yongqi. Fabrication and characterization of rhombic silver nanoparticles for biosensing[J]. Optical Materials,2009,31(6):769-774.
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