Fig. 6
(Reprinted with permission from [38]. Copyright @ 2010 Elsevier)
a SEM topography of Au nanoflower array modified ITO substrate, inset SEM image of single Au nanoflower. b UV–vis spectra of (solid lines) Au spherical nanoparticles/ITO and (dashed lines) Au nanoflower/ITO substrates. c SERS spectra of MUA immobilized on (solid lines) Au nanoflowers/ITO and (dashed lines) Au nanoparticles/ITO substrates
