期刊
MATERIALS LETTERS
卷 114, 期 -, 页码 119-121出版社
ELSEVIER
DOI: 10.1016/j.matlet.2013.09.028
关键词
Porous materials; Functional; Texture
资金
- Education Department of Fujian Province [JK2011011, JB12024]
Mesoporous ZnO particle with high specific surface area was synthesized by a reverse microemulsion-based evaporation-induced self-assembly (EISA) technique, using zinc nitrate as metal precursor and sucrose as porogen, respectively. Structural and morphological characterization indicated that the resulting ZnO possesses a wurtzite structure and spherical morphology with an average particle size of about 150 nm. And, the effect of the molar ratio of sucrose to Zn2+ on the mesoporosity and antibacterial activity of the resulting ZnO was also investigated. The results of low temperature N-2 adsorption-desorption analysis confirmed the formation of the mesoporous ZnO. When the molar ratio of sucrose to Zn2+ was 1.5, the resulting ZnO possessed the highest specific surface area of 233.56 m(2) g(-1) and the largest pore volume 0.89 cm(3) g(-1), respectively. The inhibition zone tests revealed that the mesoporous ZnO particle exhibits a strong antibacterial activity against both a Gram-negative bacterium Escherichia coli and a Gram-positive bacterium Staphylococcus aureus. (C) 2013 Elsevier B.V. All rights reserved.
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