Sythesis, Modification, and Biosensing Characteristics of Au₂S/AuAgS-Coated Gold Nanorods

Figure 1

TEM images of (a) the as-prepared GNRs and ((b)–(d)) as-prepared Au₂S/AuAgS/GNRs under different reaction time (b) 1 min, (c) 15 min, and (d) 30 min.

(a)

(b)

(c)

(d)