期刊
JOURNAL OF NANOMATERIALS
卷 2013, 期 -, 页码 -出版社
HINDAWI LTD
DOI: 10.1155/2013/938370
关键词
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资金
- National Natural Science Foundation of China [11174049, 20671918]
- Fundamental Research Funds for the Central Universities
- NSFC-NRF Scientific Cooperation Program
- Shanghai Science and Technology Foundation [10DJ1400204]
The influence of the choice of ethanol-water volume ratio, concentration of zinc salt, and ZnO buffer layer on the formation and morphology of Zn-5(OH)(8)(NO3)(2) center dot 2H(2)O grown from the hydrothermal route was systematically discussed. Experimental results suggested that Zn-5(OH)(8)(NO3)(2) center dot 2H(2)O rectangle sheets and Zn-5(OH)(8)(NO3)(2) center dot 2H(2)O upright-standing plates were obtained by limiting ethanol-water volume ratio. The concentration of zinc salt was crucial for getting phase-pure Zn-5(OH)(8)(NO3)(2) center dot 2H(2)O. The presence of ZnO buffer layer could lead to the that chemical composition of product grown on the substrate was totally different from the product grown in the solution. Possible formation mechanism of Zn-5(OH)(8)(NO3)(2) center dot 2H(2)O was also studied. Raman spectrum of Zn-5(OH)(8)(NO3)(2) center dot 2H(2)O displays a complex behavior with four modes, which can be assigned to the vibrational modes of Zn-H-O, Zn-O, H2O-nitrate, and nitrate. Porously ZnO rectangle sheets were obtained by thermal treatment of Zn-5(OH)(8)(NO3)(2) center dot 2H(2)O rectangle sheets.
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