Skip to main content
. Author manuscript; available in PMC: 2017 Feb 3.
Published in final edited form as: Small. 2015 Dec 16;12(5):631–646. doi: 10.1002/smll.201502346

Figure 1.

Figure 1

(A) TEM images of AuNPs of average core diameters 1.5 nm, 4 nm, and 14 nm. The scale bar length is 5 nm for AuNP1.5 and AuNP4 images and 20 nm for the image of AuNP14. (B) EDAX spectra of AuNP1.5 before (left) and after replacing PPh3 with MSA.