Fig. 3. (a)–(e) EDX spectra of pure ZnO nanoparticles at 750 C, Zn1xMgxO nanoparticles, partially opened nanowire-on-spherical shells, hemispheric shells and chain-like
nanoparticles with x = 2.87%, 3.51%, 4.43% and 5.01% at 750, 850, 900 and 1000 C, respectively.