Owing to its superior advantages, including non-destructive data acquisition, unique spectroscopic fingerprints, simple sample preparation, and ultrahigh sensitivity, Surface-enhanced Raman scattering (SERS) has been proven to be a promising analytical technique. SERS substrates, which can greatly amplify Raman scattering signals to achieve high sensitivity, are critical in SERS measurement. However, most of SERS substrates are fabricated on hard templates, such as glass, quartz, which b...
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