Journal ArticleDOI
Grain size control and gas sensing properties of ZnO gas sensor
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TLDR
In this article, the mean grain size and lattice distortion of ZnO gas sensors were calculated with the Cauchy-Cauchy and Debye-Scherrer methods, respectively.Abstract:
Nanometer ZnO gas sensing material with different particle size were made by chemical precipitation, emulsion and microemulsion, respectively. Crystal structure and ceramic microstructure of powders were determined by XRD and TEM. The mean grain size and lattice distortion of the materials were calculated with the Cauchy–Cauchy and Debye–Scherrer methods, respectively. Gas sensitivity of ZnO to H2, SF6, C4H10, gasoline, C2H5OH was measured. It can be shown from experimental results that grain size of ZnO gas-sensitive materials can be controlled by means of different processes or surfactants. The gas sensitivity of ZnO gas sensor depends upon its grain size.read more
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Journal ArticleDOI
Zinc Oxide-From Synthesis to Application: A Review.
TL;DR: The most important methods of preparation of ZnO divided into metallurgical and chemical methods are presented and possible applications in various branches of industry: rubber, pharmaceutical, cosmetics, textile, electronic and electrotechnology, photocatalysis were introduced.
Journal ArticleDOI
Complex and oriented ZnO nanostructures
Zhengrong R. Tian,James A. Voigt,Jun Liu,Bonnie Beth McKenzie,Matthew J. Mcdermott,Mark A. Rodriguez,Hiromi Konishi,Huifang Xu +7 more
TL;DR: This work reports a low-temperature, environmentally benign, solution-based approach for the preparation of complex and oriented ZnO nanostructures, and the systematic modification of their crystal morphology.
Journal ArticleDOI
Crystallinity of inorganic films grown by atomic layer deposition: Overview and general trends
TL;DR: Puurunen et al. as discussed by the authors summarized the two-reactant ALD processes to grow inorganic materials developed to-date, updating the information of an earlier review on ALD.
Journal ArticleDOI
Room-temperature gas sensing of ZnO-based gas sensor: A review
TL;DR: In this paper, the room-temperature gas sensing properties of ZnO-based gas sensors are comprehensively reviewed, and more attention is particularly paid to the effective strategies that create room temperature gas sensing, mainly including surface modification, additive doping and light activation.
Journal ArticleDOI
Conformal Coating on Ultrahigh-Aspect-Ratio Nanopores of Anodic Alumina by Atomic Layer Deposition
TL;DR: In this paper, anodic alumina (AA) membranes were coated with Al2O3 and ZnO ALD films and subsequently analyzed using cross-sectional scanning electron microscopy (SEM) and electron probe microanalysis (EPMA).
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