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- Title
Fast one-step synthesis of ZnO sub-microspheres in PEG200.
- Authors
Xie, Xin-Yuan; Li, Li-Yun; Zhan, Pei; Liang, Ming; Xie, Shu-Ming; Meng, Jian-Xin; Bai, Yan; Zheng, Wen-Jie
- Abstract
ZnO sub-microspheres were synthesized via a new, simple, and one-step method by using zinc acetate dihydrate as a precursor and PEG200 as a solvent and modifier. The effect of temperature (160-210 °C) on the crystallization, surface morphology, and luminescence properties of ZnO spheres was investigated using different characterization techniques, including X-ray diffraction, scanning electron microscopy, transmission electron microscopy, Fourier transform infrared spectroscopy, UV-Vis spectroscopy, and room temperature photoluminescence. The results show that the ZnO crystal has a hexagonal wurtzite structure. The products have monodispersed spherical morphology with diameters in the range of 200-600 nm. They have intensive UV emission peaks at ~380 nm and relatively weak and broad green peaks at ~550 nm. The PEG200 molecules adsorb on the surface of ZnO spheres. On the basis of the experimental results, a mechanism was proposed to elucidate the formation of ZnO sub-micron spheres.
- Subjects
ZINC oxide; FOURIER transform spectroscopy; X-ray diffraction; TRANSMISSION electron microscopy; SCANNING transmission electron microscopy; WURTZITE
- Publication
Journal of Materials Science, 2014, Vol 49, Issue 5, p2355
- ISSN
0022-2461
- Publication type
Article
- DOI
10.1007/s10853-013-7936-y