期刊
JOURNAL OF MATERIALS CHEMISTRY B
卷 1, 期 4, 页码 454-463出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2tb00132b
关键词
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资金
- National Natural Scientific Foundation of China [51102215]
- Natural Scientific Foundation of Zhejiang Province [Y4100022]
- Key Innovative Team of Magnetic Materials in Zhejiang Province [2011R09006-06]
- Science and Technology Projects from Jinhua City [2010A12066]
Complex ZnO architectures with tunable morphologies and structures were obtained by modulating only the base type and molar ratio of base to Zn2+ (alpha) using an easy one-pot hydrothermal approach without any template or organic additive. Characterizations by X-ray diffraction, Fourier-transform infrared spectrometry, scanning electron microscopy, transmission electron microscopy, and surface area analysis were performed. The effect of the base type and base/Zn2+ molar ratio on the morphology and corresponding mechanism were determined. The correlations between the microstructure and properties were established. The antibacterial effect of the ZnO samples was probably due to a combination of variable factors. Better antibacterial activity is derived from more effective antibacterial surfaces, which are mainly associated with the specific surface area and Zn-polar plane. Thus, flower-like architectures with larger specific surface areas and more highly exposed (0001) Zn-polar surfaces outwards are promising structures for ZnO antibacterial agents. This work provides a guide for devising and synthesizing highly efficient antibacterial materials.
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