Surface enhanced Raman scattering silica substrate fast fabrication by femtosecond laser pulses
Source abstract
Abstract
We report the fabrication of surface enhanced Raman spectroscopy (SERS) fused silica glass substrates using fast femtosecond-laser (fs-laser) scan, followed by silver chemical plating. A cross-section enhancement factor (EF) of 2.5×106, evaluated by Rhodamine 6G (10−7 M solution), was obtained. The Raman mapping indicated a good uniformity over the fs-laser scanned area. The dimension and pattern of the SERS activated region can be conveniently controlled by laser 2D scanning, potentially enabling integration of SERS into a high-order optical–chemical analysis system on a glass chip.
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Research context
OpenAlex topics: Gold and Silver Nanoparticles Synthesis and Applications · Spectroscopy Techniques in Biomedical and Chemical Research · Nonlinear Optical Materials Studies
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