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SERS activity with tenfold detection limit optimization on a type of nanoporous AAO-based complex multilayer substrate
Sui, Chaofan1,2; Wang, Kaige1,2; Wang, Shuang1,2; Ren, Junying1; Bai, Xiaohong3; Bai, Jintao1,2; Wang, Kaige (wangkg@nwu.edu.cn)
作者部门精密物理量测量实验室
2016
发表期刊Nanoscale
ISSN20403364
卷号8期号:11页码:5920-5927
产权排序3
摘要Most of SERS applications are constricted by heterogeneous hotspots and aggregates of nanostructure, which result in low sensitivity and poor reproducibility of characteristic signals. This work intends to introduce SERS properties of a type of SERS-active substrate, Au-CuCl2-AAO, which is innovatively developed on a porous anodic alumina oxide (AAO) template. Spectral measuring results of Rhodamine 6G (R6G) on this substrate optimized by controlling morphology and gold thickness showed that enhancement factor (2.30 × 107) and detection limit (10-10M) were both improved and represented better performance than its template AAO. Homogenous hot spots across the region of interest were achieved by scanning SERS intensity distribution for the band at 1505 cm-1in 5 × 5 μm2area. Furthermore, the promising SERS activity of the flower-patterned substrate was theoretically explained through simulation of the electromagnetic field distribution. In addition, this SERS substrate is proposed for applications within the field of chemical and biochemical analyses. © 2016 The Royal Society of Chemistry.
学科领域工业技术
DOI10.1039/c5nr06771e
收录类别SCI ; EI
语种英语
WOS记录号WOS:000372245900016
引用统计
被引频次:25[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/27871
专题条纹相机工程中心
通讯作者Wang, Kaige (wangkg@nwu.edu.cn)
作者单位1.National Key Laboratory Base of Photoelectric Technology, Functional Materials Co-Sponsored by Province and Ministry, Institute of Photonics Photon-Technology, Northwest University, Xi'an, China
2.International Technology Cooperation Base of Photoelectric Technology, Functional Materials of Ministry of Science and Technology, Northwest University, Xi'an, China
3.Xi'An Institute of Optics and Precision Mechanics Chinese Academy of Science, Key Laboratory of Ultrafast Photoelectric Dignostic Technology, Xi'an, China
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GB/T 7714
Sui, Chaofan,Wang, Kaige,Wang, Shuang,et al. SERS activity with tenfold detection limit optimization on a type of nanoporous AAO-based complex multilayer substrate[J]. Nanoscale,2016,8(11):5920-5927.
APA Sui, Chaofan.,Wang, Kaige.,Wang, Shuang.,Ren, Junying.,Bai, Xiaohong.,...&Wang, Kaige .(2016).SERS activity with tenfold detection limit optimization on a type of nanoporous AAO-based complex multilayer substrate.Nanoscale,8(11),5920-5927.
MLA Sui, Chaofan,et al."SERS activity with tenfold detection limit optimization on a type of nanoporous AAO-based complex multilayer substrate".Nanoscale 8.11(2016):5920-5927.
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