Figure 3.
TEM images and extinction spectra of Au-NSTs synthesized using unpurified PVP, with different end groups, from two suppliers vs purified PVP. Reprinted with permission from ref (40). Copyright 2022 Royal Society of Chemistry.
TEM images and extinction spectra of Au-NSTs synthesized using unpurified PVP, with different end groups, from two suppliers vs purified PVP. Reprinted with permission from ref (40). Copyright 2022 Royal Society of Chemistry.