Journal
MATERIALS LETTERS
Volume 118, Issue -, Pages 115-118Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2013.11.035
Keywords
Nanocrystalline materials; ZnO hollow nanostructure; Wet chemical process; Functional; Photocatalysis
Funding
- Ph.D. Programs Foundation of the Ministry of Education of China [20110205110014]
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Using a facile two-step of wet chemical procedure to synthesize hollow hexahedral zinc oxide on a Si(100) substrate is described. The X-ray powder diffraction (XRD), scanning electron microscope (SEM) and transmission electron microscope (TEM) were employed to investigate the structure and morphology of products, also the photocatalytic and ferromagnetic properties were examined. The results showed that the diameter of ZnO with hollow structure is 200 nm and a hole with diameter of 100 nm, which is expected to be utilized as a catalyst support material in environmental remediation. The formation mechanism of hollow hexahedral ZnO is based on a dehydration reaction of Zinc 4-coordinated complexes and a preferential defect-etching process. Further investigation on the photocatalytic activity of the products showed the degradation of tetracycline is high to 98% in 120 min, also the hollow ZnO nanoctystals were proved having ferromagnetic property. (C) 2014 Published by Elsevier B.V.
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