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To overcome the relative weak stability and reproducibility of solid substrates and the long no-signal duration before the short signal-on period of dynamic SERS (D-SERS) strategies, we introduced an electrostatic… Click to show full abstract
To overcome the relative weak stability and reproducibility of solid substrates and the long no-signal duration before the short signal-on period of dynamic SERS (D-SERS) strategies, we introduced an electrostatic attraction between the molecule and the D-SERS substrate. The synergistic effect between capillary force and electrostatic attraction during D-SERS measurements improves the SERS sensitivity by 2-3 orders of magnitude compared to that for a solid SERS substrate prepared via liquid-liquid interface self-assembly.
Journal Title: Chemical communications
Year Published: 2022
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