Journal
APPLIED SURFACE SCIENCE
Volume 427, Issue -, Pages 281-287Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2017.08.229
Keywords
Hierarchical nanostructure; ZnO; Hydrothermal process; Gas sensing
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Funding
- Chongqing Research Program of Basic Research and Frontier Technology [cstc2016jcyjA0006]
- Graduate Scientific Research and Innovation Foundation of Chongqing, China [CYS16008]
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ZnO nanoparticles, nanoplates and nanoflowers have been successfully synthesized via a facile hydrothermal route, and their microstructures and gas-sensing properties to ethanol were investigated. Among all the nanostructures, the nanoplates-assembled nanoflowers exhibited significantly higher gas-sensing performances than the others, which may ascribe to their hierarchical architectures with large specific area and abundant spaces for gas diffusion. Furthermore, we surprisingly found that the concentration of surfactant CTAB used had an essential effect on the ultimate morphology of the hierarchical nanoflowers. We hoped our findings could be in favor of further investigations on the fabrication of perfect hierarchical architectures. (C) 2017 Elsevier B.V. All rights reserved.
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