ZnO nanorod gas sensor for ethanol detection

Wang, Liwei; Kang, Yan-Fei; Liu, Xianghong; Zhang, Shoumin; Huang, Wei‐Ping; Wang, Shurong

doi:10.1016/j.snb.2011.12.073

Cited by 458 publications

(213 citation statements)

References 24 publications

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“…Then if the interaction is due only to the ethanol radical the 100 ppm of malathion must be equivalent to 200 ppm of ethanol. The value of malathion sensor response observed in our work is very high compared to ethanol value at 200 ppm obtained by Wang et al [23]. This indicates that another radical of phosphor or sulfur in malathion can participate to the interaction with oxygen.…”

Section: Resultscontrasting

confidence: 43%

“…Most semiconducting oxide gas sensors operate on the basis of the modication of the electrical properties of an active element brought about the absorption of an analyte on the surface sensor. When ZnO lms sensor is exposed to air, an oxygen molecule absorbs on the surface and forms [23] by capturing an electron from the conduction band. So ZnO lms show a high resistance in air ambient.…”

Section: Resultsmentioning

confidence: 99%

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ZnO Nanopowders as Chemical Sensor to Malathion Vapor

et al. 2014

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Thick lms of zinc oxide (ZnO) nanopowders have been prepared by high energy ball-milling for various spans of mill time (318 h). The morphology and crystal structure of the prepared ZnO powder were characterized by scanning electron microscope and X-ray diraction. The ZnO thick lms were then used to construct a gas sensor for O,O-dimethyl dithiophosphate of diethyl mercaptosuccinate (malathion) at dierent operating temperatures. The sensor response at 100 ppm of malathion was found to reach a maximum as large as 80 at 6 h of high energy ball-milling, four times larger than that found for ethanol. Scanning electron microscope observation of the granular state and pore size distribution analyses indicated that increasing high energy ball-milling time gave rise especially to an increase in the volume of pores in the pore size range of 635 nm. It is suggested that such a change in nanostructure is responsible for the marked promotion of the response to malathion.

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Section: Resultscontrasting

confidence: 43%

Section: Resultsmentioning

confidence: 99%

ZnO Nanopowders as Chemical Sensor to Malathion Vapor

et al. 2014

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“…In modern years ZnO NPs have drawn attention of many researchers for their distinctive optical and chemical behaviours which can be easily tuned by changing the morphology. Within the large family of metal oxide NPs, ZnO NPs have been used in diverse cutting edge applications like electronics, communication, sensors, cosmetics, environmental protection, biology and the medicinal industry [7,8] . Moreover, ZnO NPs has a tremendous potential in biological applications like biological sensing, biological labelling, gene delivery, drug delivery and nanomedicine5-8 along with its antibacterial, antifungal, acaricidal, pediculocidal, larvicidal and anti-diabetic activities [9,10] .…”

Section: Introductionmentioning

confidence: 99%

Biosynthesis and GCMS Analysis of Zinc Oxide Nanoparticles From Leaf Extract of Curcuma Neilgherrensis Wight.

2017

IJAERD

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“…The significant transition metal oxides with nanostructures generally possess numerously highlighted physicochemical properties and have been applied widely in catalysts [1][2][3][4], electrochemistry [5,6], gas sensors [7,8], biomedical materials [9,10] and other fields. Of the oxides, nickel oxide (NiO), an important p-typed semiconductor with stable band gap, has received much attention and been extensively studied and used frequently as electrode for lithium ion batteries and funnel cells [11,12], catalysts [13][14][15], electrochemical supercapacitors [16,17], dyesensitized photocathodes [18], magnetic materials [19,20], etc.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of Ag/NiO composite nanosheets and empty microspheres and their highly effective electrocatalytic properties

Pan

et al. 2014

J Sol-Gel Sci Technol

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Ag/NiO composite nanosheets and empty microspheres were fabricated by calcining the precursors synthesized via hydrothermal and solvothermal procedures involved four methods. The as-prepared samples were characterized by thermogravimetric and differential thermal analysis, X-ray diffraction, X-ray photoelectron spectroscopy, transmission electron microscopy and field emission scanning electron microscopy, respectively. The electrocatalytic properties of Ag/NiO composites modified on a glassy carbon electrode for p-nitrophenol reduction were investigated. The results showed that Ag/NiO composites exhibited highly enhanced electrocatalytic activity than a bare glassy carbon electrode, for not only the peak current increased clearly but also the corresponding peak potential decreased markedly. As a comparison, two NiO samples were used and the results showed that the peak current has an increase but the peak potentials have a slight decrease by comparing to a bare glassy carbon electrode. The Ag/NiO composites have the potential application in the electrocatalysis for the reduction of nitrophenol materials.

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ZnO nanorod gas sensor for ethanol detection

Cited by 458 publications

References 24 publications

ZnO Nanopowders as Chemical Sensor to Malathion Vapor

ZnO Nanopowders as Chemical Sensor to Malathion Vapor

Biosynthesis and GCMS Analysis of Zinc Oxide Nanoparticles From Leaf Extract of Curcuma Neilgherrensis Wight.

Synthesis of Ag/NiO composite nanosheets and empty microspheres and their highly effective electrocatalytic properties

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