Ronghui CAI, Ruirui SONG, Ling ZHANG. Regulation of Hierarchical Structure on Surface-enhanced Raman Scattering Characteristics of Nanoporous Metals[J]. Acta Photonica Sinica, 2021, 50(6): 217
- Acta Photonica Sinica
- Vol. 50, Issue 6, 217 (2021)
Fig. 1. Cross section of single-stage and hierarchical nanoporous structure models
Fig. 2. FDTD simulations of local electromagnetic field distribution in NPG and h-NPG with different incidence wavelength
Fig. 3. FDTD simulations of local electromagnetic field distribution in NPC and h-NPC with different incidence wavelength
Fig. 4. SEM images of NPG and h-NPG formed by the second different dealloying time
Fig. 5. SERS spectra of CV and R6G on NPG and h-NPG substrates， and SERS spectra corresponding to different concentrations of CV and dose-intensity curve in logarithmic coordinates
Fig. 6. SERS and Raman spectra of CV and the intensities of SERS peaks for 20 spots on h-NPG substrate
Fig. 7. SEM of NPC and TEM images of h-NPC prepared by dealloying at different times
Fig. 8. SERS spectra of CV and R6G on NPC and h-NPC substrates， and SERS spectra corresponding to different concentrations of CV and dose-intensity curve in logarithmic coordinates
Fig. 9. SERS and Raman spectra of CV and the intensities of SERS peaks for 20 spots on h-NPC substrate
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