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Laser & Optoelectronics Progress, Volume. 58, Issue 23, 2314011(2021)

Surface Enhanced Raman Scattering Substrates Based on Femtosecond Laser Structured Polytetrafluoroethylene

Xufei Liu1, Dan'ao Han2, Hui Guo3, and Yonglai Zhang2、*
Author Affiliations
  • 1State Grid Jilin Electric Power Co., Ltd., Changchun, Jilin 130000, China
  • 2College of Electronic Science and Engineering, Jilin University, Changchun, Jilin, 130012, China
  • 3State Grid Jilin Electric Power Research Institute, Changchun, Jilin 130021, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (6)
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    References (38)
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    Laser preparation of surface enhanced Raman substrate. (a) Illustration of sample processing; (b) laser processing route

    Fig. 1. Laser preparation of surface enhanced Raman substrate. (a) Illustration of sample processing; (b) laser processing route

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    Confocal laser scanning microscopy images. (a) Surface of material; (b)(c) height profile of surface of material; (d) 3D topography

    Fig. 2. Confocal laser scanning microscopy images. (a) Surface of material; (b)(c) height profile of surface of material; (d) 3D topography

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    Confocal laser scanning microscopy images. (a) Surface of material; (b)(c) height profile of surface of material; (d) 3D topography

    Fig. 3. Confocal laser scanning microscopy images. (a) Surface of material; (b)(c) height profile of surface of material; (d) 3D topography

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    Scanning electron microscope images. (a) Surface of L-PTFE-1-Ag; (b) surface of L-PTFE-2-Ag; (c) enlarged image of L-PTFE-2-Ag

    Fig. 4. Scanning electron microscope images. (a) Surface of L-PTFE-1-Ag; (b) surface of L-PTFE-2-Ag; (c) enlarged image of L-PTFE-2-Ag

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    Contact angle data

    Fig. 5. Contact angle data

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    Raman signal enhancement effect. (a) Raman signal enhancement effect of one-dimensional and two-dimensional grating structure; effects of (b) period, (c) power, and (d) scanning speed on SERS performance

    Fig. 6. Raman signal enhancement effect. (a) Raman signal enhancement effect of one-dimensional and two-dimensional grating structure; effects of (b) period, (c) power, and (d) scanning speed on SERS performance

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    Xufei Liu, Dan'ao Han, Hui Guo, Yonglai Zhang. Surface Enhanced Raman Scattering Substrates Based on Femtosecond Laser Structured Polytetrafluoroethylene[J]. Laser & Optoelectronics Progress, 2021, 58(23): 2314011

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Aug. 9, 2021

    Accepted: Oct. 29, 2021

    Published Online: Nov. 25, 2021

    The Author Email: Zhang Yonglai (yonglaizhang@jlu.edu.cn)

    DOI:10.3788/LOP202158.2314011

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology