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Studying Properties of Composite Nano-PAA-Au Array for the Optimal SERS Sensitivity
Sui, Chaofan1; Zhao, Wenxuan1; Wang, Kaige1; Ba, Hanqing1; Wang, Shuang1; Bai, Xiaohong2; Bai, Jintao1; Wang, KG (reprint author), Northwest Univ, Inst Photon & Photon Technol, Natl Key Lab Base Photoelect Technol & Funct Mat, Xian 710069, Shaanxi, Peoples R China.
作者部门精密物理量测量实验室
2018-04-01
发表期刊PLASMONICS
ISSN1557-1955
卷号13期号:2页码:631-638
产权排序2
摘要The composite structure of nano-porous anodic alumina (nano-PAA) coated with noble metal layer has been demonstrated to be one kind of high-sensitive surface-enhanced Raman scattering (SERS)-active substrate. However, the experimental investigations on influences of parameters were restricted by correlation between variables. And in relevant simulation studies, nano-tips at intersections of unit edges on the surface and the metal attaching to inside walls of nano-holes which are crucial for the enhancement of electric field were commonly idealized. To obtain the optimal structure of nano-PAA-Au array for SERS applications, numerical evaluations of the electric field distributions and intensities at hotspots were carried out on a proposed precise model. The influence of structure and excitation parameters which determined the electromagnetic enhancement have been systematically investigated. The numerical data shows that the intensity and distribution of surface electric field is evidently affected by both the characteristics of nano-tips and the metal attaching to the inside wall of holes. In addition, the designed substrate was synthesized accordingly and demonstrated to be higher sensitive with an achieved enhancement factor of 1.04 x 10(7). The study would be helpful in designing high-sensitive SERS-active substrates.
文章类型Article
关键词Surface-enhanced Raman Scattering Localized Surface Plasmon Resonance Nano-paa-au Array Electromagnetic Enhancement
学科领域Chemistry, Physical
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1007/s11468-017-0554-9
收录类别SCI
关键词[WOS]ENHANCED RAMAN-SCATTERING ; SUBSTRATE ; SILVER ; NANOSTRUCTURES ; SPECTROSCOPY ; FABRICATION ; MOLECULES ; RESONANCE ; TEMPLATE
语种英语
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science
项目资助者National Natural Science Foundation of China(61378083) ; International Cooperation Foundation of the National Science and Technology Major Project of the Ministry of Science and Technology of China(2011DFA12220) ; Major Research Plan of the National Natural Science Foundation of China(91123030) ; Key Laboratory Project of Shaanxi Education Department(14JS106 ; Natural Science Foundation of Shaanxi Province(2010JS113) ; Major Fundamental Research Project of Natural Science Fundamental Research Program of Shaanxi Province(2016ZDJC-15) ; 16JS102)
WOS类目Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS记录号WOS:000428074500034
引用统计
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/30022
专题精密物理量测量实验室
通讯作者Wang, KG (reprint author), Northwest Univ, Inst Photon & Photon Technol, Natl Key Lab Base Photoelect Technol & Funct Mat, Xian 710069, Shaanxi, Peoples R China.
作者单位1.Northwest Univ, Inst Photon & Photon Technol, Natl Key Lab Base Photoelect Technol & Funct Mat, Xian 710069, Shaanxi, Peoples R China
2.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Key Lab Ultrafast Photoelect Diagnost Technol, Xian 710119, Shaanxi, Peoples R China
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Sui, Chaofan,Zhao, Wenxuan,Wang, Kaige,et al. Studying Properties of Composite Nano-PAA-Au Array for the Optimal SERS Sensitivity[J]. PLASMONICS,2018,13(2):631-638.
APA Sui, Chaofan.,Zhao, Wenxuan.,Wang, Kaige.,Ba, Hanqing.,Wang, Shuang.,...&Wang, KG .(2018).Studying Properties of Composite Nano-PAA-Au Array for the Optimal SERS Sensitivity.PLASMONICS,13(2),631-638.
MLA Sui, Chaofan,et al."Studying Properties of Composite Nano-PAA-Au Array for the Optimal SERS Sensitivity".PLASMONICS 13.2(2018):631-638.
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