UV Treatment of the Stabilizing Shell for Improving the Photostability of Silver Nanoparticles

Figure 5

(a) Luminescence spectra ( = 450 nm) of the pristine Ag-NCs (black line) and of the photo-cross-linked Ag-NCs before (red circles) and after irradiation at 420 nm for 45 min (blue circles); (b) laser scanning fluorescence image (scale bar = 5 μm) and (c) AFM image (scale bar = 500 nm) of photo-cross-linked Ag-NCs with the relative (d) size distribution histogram.

(a)

(b)

(c)

(d)