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The polarization dependence plays a great impact on the SERS intensities for the surface plasmon coupling between nanoparticle aggregating. In this work, the SERS intensities collected from nanorice heterogeneous dimer or homogeneous dimer on Au, ITO and glass substrates exhibit strong polarization dependence. This result is further analyzed by the simulated surface charge distribution and electromagnetic...
Combined with surface enhanced Raman scattering (SERS) and finite difference time-domain (FDTD) method, the plasmon-driven surface catalytic (PDSC) reaction of p,p′-dimercaptoazobenzene (DMAB) produced from 4-nitrobenzenethiol (4NBT) or P-aminothiophenol (PATP) in Au triangular nanoplate-molecule-film sandwich structure is investigated. The disparity of SERS spectra at different positions on Au triangular...
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