Coupled subwavelength gratings for surface-enhanced Raman spectroscopy

Yumin Hou; Jun Xu; Wuxia Li

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Coupled subwavelength gratings for surface-enhanced Raman spectroscopy

机译：用于表面增强拉曼光谱的耦合亚波长光栅

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Dual subwavelength Ag gratings with a small gap of about 15 nm are demonstrated to provide a huge additional SERS enhancement, more than 10~3 fold in scattering efficiency over normal SERS on an Ag film due to the strong plasmon coupling, which is simulated by theoretical calculation. The simulation also shows the advantages of the coupled two-layer gratings over the one-layer grating for SERS measurement. Our study provides a promising and feasible way of structure design for extremely sensitive substrates of SERS.

机译：通过理论上模拟的结果表明，具有约15 nm小间隙的双亚波长Ag光栅可提供巨大的SERS增强，在银膜上的散射效率比普通SERS增强10到3倍以上。计算。该仿真还显示了耦合的两层光栅优于用于SERS测量的一层光栅的优势。我们的研究为极敏感的SERS底物结构设计提供了一种有希望的可行方法。

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《Physical chemistry chemical physics: PCCP》 |2011年第23期|共6页
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Yumin Hou; Jun Xu; Wuxia Li;
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1. Coupled subwavelength gratings for surface-enhanced Raman spectroscopy [J] . Yumin Hou, Jun Xu, Wuxia Li Physical chemistry chemical physics: PCCP . 2011,第23期

机译：用于表面增强拉曼光谱的耦合亚波长光栅
2. Single-order, subwavelength resonant nanograting as a uniformly hot substrate for surface-enhanced Raman spectroscopy [J] . Deng X., Braun G.B., Liu S., Nano letters . 2010,第5期

机译：单阶亚波长共振纳米光栅作为表面增强拉曼光谱的均匀热基质
3. Detection of melamine in milk by surface-enhanced Raman spectroscopy coupled with magnetic and Raman-labeled nanoparticles [J] . Yazgan N.N., Boyaci I.H., Topcu A., Analytical and bioanalytical chemistry . 2012,第7期

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4. Parameters of holographic gratings for surface-enhanced gas Raman spectroscopy [C] . D.V. Petrov, M.A. Kostenko, A.A. Shcherbakov International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics . 2020

机译：表面增强气体拉曼光谱的全息光栅参数
5. Development of Surface-Enhanced Femtosecond Stimulated Raman Spectroscopy as a New Tool to Study Coupled Molecule-Plasmon Systems [D] . Gruenke, Natalie Lynn 2015

机译：飞秒激发拉曼表面增强光谱技术的发展，作为研究分子-等离子体耦合系统的新工具
6. Substrate Oxide Layer Thickness Optimization for a Dual-Width Plasmonic Grating for Surface-Enhanced Raman Spectroscopy (SERS) Biosensor Applications [O] . Stephen J. Bauman, Zachary T. Brawley, Ahmad A. Darweesh, 2017

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7. Subwavelength metal nanogap surface for surface-enhanced Raman spectroscopy [O] . Le Thi Ngoc, Loan 2015

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8. Surface-Enhanced Raman Spectroscopy of Electrochemically Characterized Interfaces; Potential Dependence of Raman Spectra for Thiocyanate at Silver Electrodes. [R] . Weaver, M. J., Barz, F., Gordon, J. G., 1983

机译：电化学表征界面的表面增强拉曼光谱;银电极上硫氰酸盐拉曼光谱的潜在依赖性。

Coupled subwavelength gratings for surface-enhanced Raman spectroscopy

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