Abstract
This chapter discusses the dependences of the blinking surface-enhanced Raman scattering (SERS) on localized surface plasmon resonance (LSPR) wavelength, excitation laser intensity, and temperature in terms of the power law exponents and truncation in the power law. These are compared with the power law analysis of the blinking fluorescence from a single quantum dot (QD) and other analyses of blinking SERS. The truncation in dark SERS originates from the molecule moving quickly to the “hot-site” via the energy barrier due to the inhomogeneous distribution of EM around the junction. On the metallic surface, except for the junction, diffusion of the molecule can hardly be detected and evaluated by the super-resolution imaging and the average duration times of dark SERS events, respectively. Therefore, blinking SERS should be analyzed by a power law with an exponential function.
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