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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)