Effect of Ag Templates on the Formation of Au-Ag Hollow/Core-Shell Nanostructures

Table 1 A summary of prior works of Au-Ag alloy nanostructures

Structures		Ag template crystal	Ag template size	Ag specific surface area (nm⁻¹)	AuAg nanostructure size (nm)	Ref.
	AuAg NPs	n/a	6.1 nm	0.98	13	19
	AuAg NPs	n/a	7.4 nm	0.81	16	19
	Ag@Au NPs	n/a	9.6 nm	0.63	15	19
Solid	AuAg NPs	n/a	20.7 nm	0.29	~20	20
	Ag@Au NPs	n/a	9.8 nm	0.61	Ag_core = 8.1, Au_shell = 6	22
	Ag@AuAg NPs	Single crystalline	18.6 nm	0.32	n/a	23
	Ag@AuAg NWs	Single crystalline	d = 90 nm h = 10 μm	0.02	Ag_core = 85, AuAg_shell = 6	this study
	AuAg hollow NPs	Twined	11 nm, 14 nm	0.42, 0.54	d_inner = 12.4, d_outer = 16.9	[24]
	AuAg hollow NPs	n/a	41 nm	0.14	46–53	[6]
	AuAg hollow NPs	Twined	53 nm	0.11	68	[25]
Hollow	AuAg hollow NPs	n/a	20–100 nm	0.3-0.06	d_inner = 88, d_outer = 128	[26]
	AuAg hollow NPs	Twined	75 nm	0.08	n/a	[27]
	AuAg nanotubes	Twined	d = 50 nm	n/a	n/a	[28]
	AuAg nanotubes	Twined	d = 30–60 nm h = 1-50 μm	0.06–0.13	n/a	[29, 30]
	AuAg nanorings	Twined	14 nm	0.42	d_inner = 2–4.5, d_outer = 12–15	this study