Figure 2

(A) TEM image of the GNS used in this work. (B) absorption spectra for GNS colloidal solution (grey dashed); Type I slides (red); Type II (blue); Type III (green).
(A) TEM image of the GNS used in this work. (B) absorption spectra for GNS colloidal solution (grey dashed); Type I slides (red); Type II (blue); Type III (green).