期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 626, 期 -, 页码 124-130出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2014.11.175
关键词
Nanostructures; Oxides; Flower-like hierarchical structure; Porous single-crystalline ZnO nanosheets; Volatile organic compounds
资金
- National Basic Research Program of China [2013CB934300]
- National Natural Science Foundation of China [61374017, 61174012, 21177131, 61273066]
- National High-tech Research and Development Program (863 Program) of China [2013AA065602]
- Youth Scientific Funds of the National Natural Science foundation of China [11205204, 61106012, 61104205]
Flower-like hierarchical structures consisting of porous single-crystalline ZnO nanosheets (FHPSCZNs) were synthesized by a one-pot wet-chemical method followed by an annealing treatment, which combined the advantages between flower-like hierarchical structure and porous single-crystalline structure. XRD, SEM and HRTEM were used to characterize the synthesized FHPSCZN samples. The sensing properties of the FHPSCZN sensor were also investigated by comparing with ZnO powder sensor, which exhibited higher response and shorter response and recovery times. The sensing mechanism of the FHPSCZN sensor has been further analyzed from the aspects of electronic transport and gas diffusion. (C) 2014 Elsevier B.V. All rights reserved.
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