Scaling Rules of SERS Intensity
Source abstract
Abstract
An intricate relationship is revealed between the intensity of surface‐enhanced Raman scattering (SERS) and the optical extinction. The unusual trends of SERS intensity decrease while the extinction increases observed in experiments is fully explained for the first time. The SERS intensity is well known to be strongly correlated with the extinction at excitation and Stokes wavelengths, but the dependence is more involved than the simple product of the two extinction enhancements. The radiative and nonradiative losses, different for different Stokes wavelengths, strongly affect the relationship between SERS and extinction. Dye molecules are shown experimentally and numerically to experience different local field enhancements for the different Raman modes, and a simple qualitative analytical description of this universal phenomenon is provided here.
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Research context
OpenAlex topics: Gold and Silver Nanoparticles Synthesis and Applications · Quantum Dots Synthesis And Properties · Random lasers and scattering media
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Electrical and Computer Engineering Graduate School of Engineering Yokohama National University 79–5 Tokiwadai Hodogaya‐ku, Yokohama 240–8501 Japan
Centre for Micro‐Photonics, Faculty of Science, Engineering and Technology Swinburne University of Technology Hawthorn VIC 3122 Australia
Melbourne Center for Nanofabrication the Australian National Fabrication Facility ‐ANFF 151 Wellington Road Clayton VIC 3168 Australia
Department of Electrical and Computer Engineering Johns Hopkins University Baltimore MD 21218 USA
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