Synthesis and Elastic Characterization of Zinc Oxide Nanowires

Table 1

Young’s modulus values of ZnO nanostructures reported in literature.

No.	Young’s modulus (GPa)	Nanostructure type	Reference	Technique
(1)	52	Nanobelts	[9]	Mechanical resonance in TEM
(2)	50	Nanobelts	[10]	TEM resonance
(4)	29 ± 8	Nanowire	[11]	AFM bending (vertical nanowires)
(5)	140–210 (size effect reported)	Nanowire	[12]	SEM resonance
(6)	58	Nanowire	[13]	TEM resonance
(7)	90–100	Nanowire	[14]	Nanoindentation
(8)	38.2 by AFM	Nanobelt		Nanoindentation and 3-point AFM bending
	31.3 by		[15]
	nanoindentation
(9)	106 ± 25	Nanowire	[16]	Detecting resonance under an optical microscope
(10)	97 ± 18	Nanowire	[17]	Tensile and cantilever bending experiments, measured modulus only at fracture
(11)	117, 229 (100 nm	Nanowire		Buckling of nanowires using nanoindentation
	diameter)		[18]
	232, 454 (30 nm diameter)