Fig. 3.
The average diameter of the polydispersed HD‐AuNPs
(a) DLS histogram showing particle size distribution of HD‐AuNPs, with an average diameter of 136.87 nm, (b) EDAX graph of HD‐AuNPs showing predominant peak of Au along with minor peaks of carbon and oxygen, indicating the presence of hordenine, (c, d) SEM micrograph of the gold nanoparticles formed by the reaction of 1 mM HAuCl4 and hordenine with a size of 130 ± 10 nm in diameter, (e) TEM images of the gold nanoparticles showing roughly circular HD‐AuNPs, with an average particle diameter of 130 ± 10 nm, (f) The SAED pattern of the corresponding HD‐AuNPs indicating the crystalline nature of the nanoparticles