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题名:
Tuning Optical Properties of Rhombic Hybrid Au-Ag Nanoparticles: A Discrete Dipole Approximation Calculation
作者: Zhu, Shaoli1; Du, Chunlei2; Fu, Yongqi3; Liu, Aiqun1
刊名: JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE
出版日期: 2009-05-01
卷号: 6, 期号:5, 页码:1034-1038
关键词: Rhombic Particle Array ; Hybrid Nanostructure ; Spectroscopy ; DDA
文章类型: Article
英文摘要: Optimization of metallic nanoparticles was presented in this paper by aid of computational numerical calculation. The optical extinction spectra of rhombic hybrid Au-Ag nanoparticles have been calculated by the discrete dipole approximation (DDA) aided design method. Both material and the thickness of the particles can be used to effectively tune localized surface plasmon resonance. On the basis of the calculated extinction spectra, the crucial parameters of the nanostructure arrays such as thickness can be determined. Using this DDA aided approach, a hybrid Au-Ag nanoparticles array is put forth and designed with the optimized parameter of thickness of metal thin films (h(Au) = 5 nm, and h(Ag) = 25 nm). This study shows that the material of the particles have significant effect on the optical properties. The DDA aided design method can provide the optimized structure parameters for the hybrid nanostructures.
WOS标题词: Science & Technology ; Physical Sciences ; Technology
类目[WOS]: Chemistry, Multidisciplinary ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
研究领域[WOS]: Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
关键词[WOS]: METAL ISLAND FILMS ; PLASMON RESONANCE ; SILVER NANOPARTICLES ; NANOCRYSTALS ; SPECTRA
收录类别: SCI
语种: 英语
WOS记录号: WOS:000265745000011
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/3307
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: 1.Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
2.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610209, Sichuan Prov, Peoples R China
3.Univ Elect Sci & Technol China, Sch Phys Elect, Chengdu 610054, Sichuan Prov, Peoples R China

Recommended Citation:
Zhu, Shaoli,Du, Chunlei,Fu, Yongqi,et al. Tuning Optical Properties of Rhombic Hybrid Au-Ag Nanoparticles: A Discrete Dipole Approximation Calculation[J]. JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE,2009,6(5):1034-1038.
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