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Nanopillar ZnO gas sensor for hydrogen and ethanol

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TLDR
Aligned zinc oxide nanorods were synthesized directly via a two-step solution approach on an Al2O3 tube, and were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM) as mentioned in this paper.
Abstract
Aligned zinc oxide nanorods were synthesized directly via a two-step solution approach on an Al2O3 tube, and were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The zinc oxide nanorods prepared were uniform with diameters of 10–30 nm and lengths about 1.4 μm. The response Sr (= Ra/Rg) of the aligned zinc oxide nanorod sensor reached 18.29 and 10.41 to 100 ppm ethanol and hydrogen, respectively, which was a two-fold increase compared with that reported in literature, demonstrating the potential for developing stable and sensitive gas sensors.

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Detection of hazardous volatile organic compounds (VOCs) by metal oxide nanostructures-based gas sensors: A review

TL;DR: In this paper, the authors extensively review recent developments in this field, focusing the attention on the detection of some common VOCs, including acetone (C3H6O), acetylene (C2H2), benzene (C6H6), cyclohexene (Cyclohexenene) and 2-propanol (C7H8O), by means of conductometric solid state sensors based on nanostructured semiconducting metal oxides.
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Recent Progress on the Development of Chemosensors for Gases.

TL;DR: This paper presents a meta-analyses of the chiral stationary phase transition of Na6(CO3)(SO4)/ Na2SO4 using a high-performance liquid chromatography apparatus for the determination of Na2CO3(SO4).
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Quasi-one dimensional metal oxide semiconductors: Preparation, characterization and application as chemical sensors

TL;DR: In this article, the authors present an up-to-date review of metal oxide materials research for gas sensors application, due to the great research effort in the field it could not cover all the interesting works reported, the ones that, according to the authors, are going to contribute to this field's further development were selected and described.
Journal ArticleDOI

Flexible Graphene-Based Wearable Gas and Chemical Sensors

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Hydrogen Gas Sensors Based on Semiconductor Oxide Nanostructures

TL;DR: A comprehensive review of the research progress in the last five years concerning hydrogen gas sensors based on SMO thin film and one-dimensional (1D) nanostructures is provided.
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