TEMPO-Functionalized Nanoporous Au Nanocomposite for the Electrochemical Detection of H₂O₂

Figure 2

SEM images (a and b) of nanoporous gold nanoparticles (np-AuNPs) and typical UV-Vis absorption spectra (c) of the reactions during the prepared process of np-AuNPs.

(a)

(b)

(c)