Hierarchical Nitrogen-Doped Flowerlike ZnO Nanostructure and Its Multifunctional Environmental Applications

被引:41
作者
Bai, Hongwei [1 ]
Liu, Zhaoyang [1 ]
Sun, Darren Delai [1 ]
机构
[1] Nanyang Technol Univ Singapore, Sch Civil & Environm Engn, Singapore 639798, Singapore
关键词
antibacterial properties; membrane filtration; nanostructures; photochemistry; zinc; WATER-TREATMENT; THIN-FILMS; MEMBRANE; GROWTH; ARCHITECTURE; TECHNOLOGY;
D O I
10.1002/asia.201200260
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Hierarchical nitrogen-doped ZnO flowerlike nanostructures were synthesized on a large scale. These nanostructures were characterized by FESEM, HRTEM, XRD, FTIR, XPS, and TGA, and their suitability for multifunctional environmental applications was investigated. The experimental results demonstrated that the hierarchical N-doped ZnO flowerlike nanostructure enhances the photodegradation of methyl blue (MB) and acid orange 7 (AO7) by presenting a large specific surface area and high light utilization rate, inhibits the growth of bacteria without light irradiation, and increases the permeate flux when used in a membrane filtration system. These advantages of the hierarchical N-doped ZnO flowerlike nanostructure brings benefits to the environmental application fields.
引用
收藏
页码:1772 / 1780
页数:9
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