Journal
MATERIALS LETTERS
Volume 115, Issue -, Pages 256-260Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2013.10.081
Keywords
ZnO micro/nanostructures; Polysaccharides; Scanning electron microscopy
Funding
- Grant of the Romanian National Authority for Scientific Research, CNCS-UEFISCDI [PN-II-RU-TE-2012-3-0148]
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ZnO micro/nanostructures with complex morphology were synthesized by a simple chemical reaction between zinc nitrate and hexamethylenetetramine in the presence of polysaccharides. X-ray diffraction analysis showed that all obtained samples are of wurtzite structure. The reflectance and room temperature photoluminescence spectra have been used to investigate the optical properties of the ZnO structures. The scanning electron microscopy images reveal that the ZnO morphology (star, double-jellyfish, double-raspberry and edelweiss-flower) can be easily changed by varying the polysaccharides: sodium alginate, gum arabic and chitosan. The polysaccharide-assisted crystallization method could provide a facile approach to synthesize other desired compounds with controllable morphology. (C) 2013 Elsevier B.V. All rights reserved.
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