DERS substrate based on NERS-SERS interaction in integrated microfluidic detection

Xiao Cheng; Chen Zhibin; Qin Mengze; Zhang Dongxiao; Fan Lei

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DERS substrate based on NERS-SERS interaction in integrated microfluidic detection

机译：基于狭窄的微流体检测中的NERS-SERS相互作用的DERS基板

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The systematic simulation study of a structure with nanogap-enhanced Raman scattering and surface-enhanced Raman scattering (NERS-SERS) substrate is presented. This double-enhanced Raman scattering (DERS) substrate with coupling between the localized surface plasmons of noble metal nanosphere colloids and surface plasmon polaritons of a 1D sinusoidal noble metal nanograting is analyzed. With the excitation light wavelength at 785 nm, the key structure parameters of noble metal nanospheres and sinusoidal noble metal nanogratings are deduced by FDTD. With the optimal DERS substrate, the SERS enhancement factor (EF) can be 9 orders of magnitude as possible. The DERS substrate was fabricated, and an extra SERS effect was demonstrated by experiments. This DERS substrate will be integrated with microfluidics in the next work, with the purpose of in situ, real-time, continuous detection of trace water soluble gas-phase or airborne agents, such as trace explosives in air. (C) 2018 Optical Society of America.

机译：提出了一种利用纳米盖增强拉曼散射和表面增强拉曼散射（NERS-SERS）基板的结构的系统模拟研究。分析了该双增强拉曼散射（DERs）基板，其贵金属纳米粒胶体和表面等离子体纳米半导体的局部表面等离子体的局部表面等离子体与1D正弦贵金属纳米人的表面等离子体之间的耦合。在785nm处激发光波长，通过FDTD推导出贵金属纳米球的关键结构参数和正弦贵金属纳米植物。利用最佳DERS基板，SERS增强因子（EF）可以是尽可能的9个级。通过实验证明了DERS基板，并通过实验证明了额外的SERS效果。该DER衬底将在下一步工作中与微流体集成，目的是原位，实时，连续检测痕量水溶性气相或空气传播剂，例如空气中的痕量炸药。（c）2018年光学学会。

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来源
《Applied optics》 |2018年第12期|共8页
作者
Xiao Cheng; Chen Zhibin; Qin Mengze; Zhang Dongxiao; Fan Lei;
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Army Engn Univ Dept Elect &

Opt Engn Shijiazhuang Campus Heping West Rd 97 Shijiazhuang 050003 Hebei Peoples R China;

Army Engn Univ Dept Elect &

Opt Engn Shijiazhuang Campus Heping West Rd 97 Shijiazhuang 050003 Hebei Peoples R China;

Army Engn Univ Dept Elect &

Opt Engn Shijiazhuang Campus Heping West Rd 97 Shijiazhuang 050003 Hebei Peoples R China;

Army Engn Univ Dept Elect &

Opt Engn Shijiazhuang Campus Heping West Rd 97 Shijiazhuang 050003 Hebei Peoples R China;

Army Engn Univ Dept Elect &

Opt Engn Shijiazhuang Campus Heping West Rd 97 Shijiazhuang 050003 Hebei Peoples R China;

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DERS substrate based on NERS-SERS interaction in integrated microfluidic detection

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