Study on Surface-Enhanced Raman Scattering Substrate Based on Titanium Oxide Nanorods Coated with Gold Nanoparticles

Figure 2

FESEM images of nanorods synthesized with different NaCl concentrations: (a) 0 M, (b) 0.55 M, (c) 0.7 M, and (d) 0.85 M.

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(b)

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(d)