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Controllable synthesis of hierarchical ZnO microstructures via a hydrothermal route

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4 Author(s)
Libo Wang ; Inst. of Mater. Sci. & Eng., He'nan Polytech. Univ., Jiaozuo, China ; Yanping Fan ; Bala, H. ; Guang Sun

Hierarchical ZnO superstructures assembled by ZnO nanorods have been successfully constructed in mixed solvents of ethylene glycol (EG)-water via a facile hydrothermal method. ZnO nanostructures with dumb-bell-like and microsphere morphologies were obtained by only a change of the precursor concentration. The products were characterised by means of X-ray powder diffraction (XRD), scanning electron microscopy (SEM), Raman scattering and room-temperature photoluminescence spectra. The possible formation mechanism of these hierarchical ZnO nanostructures is also proposed.

Published in:

Micro & Nano Letters, IET  (Volume:6 ,  Issue: 9 )