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Assembly of 2D nanosheets into 3D flower-like NiO: Synthesis and the influence of petal thickness on gas-sensing properties.
- Source :
-
Ceramics International . Feb2016, Vol. 42 Issue 3, p4567-4573. 7p. - Publication Year :
- 2016
-
Abstract
- We report a successful synthesis of three hierarchical NiO nanoflowers via a surfactant-assisted hydrothermal method. We find that the NiO hierarchical architectures are self-assembled by uniform nanosheets with different petal thicknesses. Moreover, we develop gas sensors based upon the nanomaterials and demonstrate that the nanoflower with the thinnest petal exhibits the best gas-sensing functionalities. By conducting a comprehensive characterization of microstructures and morphologies of the nanomaterials, we propose a possible nucleation-growth mechanism and explain how the petal thickness affects the gas-sensing properties of the nanoflowers. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 02728842
- Volume :
- 42
- Issue :
- 3
- Database :
- Academic Search Index
- Journal :
- Ceramics International
- Publication Type :
- Academic Journal
- Accession number :
- 111978461
- Full Text :
- https://doi.org/10.1016/j.ceramint.2015.11.150