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Synthesis of porous and nonporous ZnO nanobelt, multipod, and hierarchical nanostructure from Zn-HDS

Title
Synthesis of porous and nonporous ZnO nanobelt, multipod, and hierarchical nanostructure from Zn-HDS
Authors
Jang E.-S.Won J.-H.Kim Y.-W.Cheng Z.Choy J.-H.
Ewha Authors
최진호
SCOPUS Author ID
최진호scopus
Issue Date
2010
Journal Title
Journal of Solid State Chemistry
ISSN
0022-4596JCR Link
Citation
vol. 183, no. 8, pp. 1835 - 1840
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Zn based hydroxide double salts (Zn-HDS) with an interlayer spacing of 20 was produced by dissolving dumbbell-like ZnO crystal. The resulting Zn-HDS with a ribbon-like shape has a suitable morphology to explore the remarkably mild procedure for synthesis of ZnO nanobelts. We found that the intercalated water molecules into the Zn-HDS could play a key role in the ZnO nanobelts porosity. The nonporous ZnO nanobelts were successfully synthesized from the Zn-HDS by soft-solution process at 95 °C through mild dehydration agent as Na 2CO3. As-synthesized ZnO nanobelts were grown along not only the [0 1 -1 0], but also the [2 -1 -1 0]. On the other hand, the porous ZnO nanobelts were obtained from the Zn-HDS by calcinations at 200 and 400 °C. In addition, flower-like ZnO multipod and hierarchical nanostructures were produced from the Zn-HDS by using of strong dehydration agent (NaOH) through hydrothermal reaction at 150 and 230 °C. © 2010 Elsevier Inc. All rights reserved.
DOI
10.1016/j.jssc.2010.05.025
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자연과학대학 > 화학·나노과학전공 > Journal papers
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