Figure 1From: Facile purification of colloidal NIR-responsive gold nanorods using ions assisted self-assembly SEM images of gold nanoparticles obtained by seed-mediated method. (a) as-made gold NR mixture; (b) purified gold NRs from the mixture shown in (a); (c) nanoparticles kept in supernatant after purification. All scale bars are 200 nmBack to article page