Abstract
In this report, the ZnO nanoplates with rich porosity have been successfully synthesized using an anion-mediated strategy with a simple hydrothermal method. The morphology, crystal structure, elemental spectra and pore size distribution of this ZnO sample were also determined using various technical methods. Benefiting from the two-dimensional (2D) microstructures and porous architectures for enhanced gas interaction and diffusion, the ZnO nanoplates-based sensor showed a significant response towards formaldehyde vapor in terms of low detection limit and reliable selectivity. This anion-mediated method may act as an efficient strategy for rational design of oxide morphologies tailored for fabricating gas sensors.
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