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. 2019 Jul 23;1(9):3626–3638. doi: 10.1039/c9na00241c

Fig. 1. (a) UV-vis spectra of AgNC growth with SPR bands at 418, 428, 434, and 443 nm. (b) Transmission electron microscopy (TEM) image of AgNCs (side length: 40.4 ± 2.8 nm). (c) UV-vis spectra of the starting AgNCs and AuNCs during galvanic replacement reaction. (d) TEM image of AuNCs with side length of 44.5 ± 3.0 nm and gold shell of 7.0 ± 1.2 nm.

Fig. 1