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(PDF) Highly selective GaNnanowire / TiO 2 nanocluster ...

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(b) Response of a different sensor (inset shows nanowire with diameter 300 nm) to 200 ppb toluene, benzene, ethylbenzene and xylene7 with UV excitation. The total flow into the chamber was kept constant at 20 sccm. The response with air is also shown. The scale bars are 5 µm.

IEEE SENSORS JOURNAL, VOL. 13, NO. 5, MAY 2013 1883 …

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benzene, and toluene at a concentration level of 50 ppb. These sensor devices were highly stable and able to sense aromatic compounds reliably for concentrations as high as few percents in air. In the present study, for the first time, the sensitivity of the GaN nanowire/TiO2 nanocluster hybrid device to the most

Photoactivated materials and sensors for NO 2 monitoring ...

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Previously, a hybrid sensor of polypyrrole–zinc oxide (PPy–ZnO) doped with camphorsulfonic acid (CSA) was also evaluated for NO 2 sensing at room temperature, obtaining 80% of the response to 100 ppm of NO 2. 105 In summary, organofunctionalized hybrid nanomaterials have proven to be alternatives for the photoactivated detection of not ...

Wang Shurong

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Onepot synthesis of 3D hierarchical SnO2 nanostructures and their application for gas sensor, Sens. Actuators B, 2015, 207, 83–89. 2. S. R. Wang*, et. al., Brookite TiO2 decorated αFe2O3 nanoheterostructures with rod morphologies for gas sensor application, J. Mater. ... Shurong Wang,* Yanshuang Wang, Jiedi Yang, Xueling Gao and Liwei Wang ...

Highperformance gas sensor based on ZnO nanowires ...

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DOI: / Corpus ID: 96980018. Highperformance gas sensor based on ZnO nanowires functionalized by Au nanoparticles article{Guo2014HighperformanceGS, title={Highperformance gas sensor based on ZnO nanowires functionalized by Au nanoparticles}, author={Jing Guo and Jun Zhang and Min Zhu and Dianxing Ju and Hongyan …

A au functionalized zno nanowire gas sensor for detection ...

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Au functionalized ZnO nanowire gas sensor for detection of benzene and toluence. One novel sensing hybridmaterial of Au nanoparticles (Au NPs)functionalized ZnO nanowires (AuZnO NWs) was successfully synthesized by a twostage solution process. First,

A Aufunctionalized ZnO nanowire gas sensor for detection ...

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both pristine and au–zno nws were practically applied as gas sensors to compare the effect of au nps on the sensing performances and the obtained results demonstrated that after functionalization by catalytic au nps, the hybrid sensor exhibited not only faster response and recovery speeds but also a higher response to benzene and toluene than the …

LowTemperature Solution Synthesis of AuModified ZnO ...

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Aug 21, 2019· A Aufunctionalized ZnO nanowire gas sensor for detection of benzene and toluene. Wang L, Wang S, Xu M, Hu X, Zhang H, Wang Y, Huang W. Phys Chem Chem Phys, 15(40):1717917186, 01 Oct 2013 Cited by: 17 articles | PMID: 24013527

NanowireBased Sensor Array for Detection of Cross ...

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Feb 10, 2020· NanowireBased Sensor Array for Detection of CrossSensitive Gases Using PCA and Machine Learning Algorithms Abstract: In this work, a gas sensor array has been designed and developed comprising of Pt, Cu and Ag decorated TiO 2 and ZnO functionalized GaN nanowires using industry standard topdown fabrication approach.

Supporting Information TiO2 Nanoparticles with LowPower ...

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Target gas B=Benzene T=Toluene X=Xylene Concentration Response Def. Response Limit of detection Ref CoPPfuntionalized TiO2 nanoparticles B, T, X 10 ppm (T) Ra/Rg 5 ppb Present work Ptfunctionalized SnO2–ZnO coreshell nanowire B, T 100 ppb (T) Ra/Rg 279 100 ppb S2 NiO/NiMoO4 nanocomposite X 5 ppm (X) Ra/Rg 20 ppb (calculated) S3

Development of a Novel GasSensing Platform Based on a ...

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Jul 01, 2021· 1. Introduction. In the past decades, gas sensors have been widely applied in various fields, such as production facilities, automotive industry, medical technology, environmental protection, and industrial safety [1,2,3,4,5].Among the various types of gas sensors, those based on metal oxide (MOx) are actively investigated owing to their high …

Journal: RSC advances / Publication year rev: 79852015 ...

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A locked padlock) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Sensors | Free FullText | A Photoactivated Gas Detector ...

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For 3000, 4500, and 6000 ppm of toluene injected onto the gas detectors separately, the transient sensitivity values of the ZnObased gas detectors to toluene with no UV illumination at room temperature are shown in Figure 7a. Before UV illumination, the film detector’s average values of sensitivity to toluene gas were % (3000 ppm), % ...

Sensors and Actuators B: Chemical

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vices were investigated, and ZnO functionalized GaN nanowire was found to be the optimal SO 2 sensor among the considered metal oxide coated sensors. For further confirmation of ZnO/GaN nanowire as an appropriate SO 2 detector, its additional sensing properties, including selectivity, repeatability, and longterm stability were evaluated.

TiO2 Nanotubes for Room Temperature Toluene Sensor

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TiO2 nanotubes were used to prepare gas sensor and the gas sensing properties towards toluene were analyzed. Titania nanotube arrays were fabricated via electrochemical anodization method in glycerol electrolytes containing NH4F. The sensor fabricated from these nanotubes exhibits a good response to toluene at room temperature with good sensitivity.

(PDF) A Aufunctionalized ZnO nanowire gas sensor for ...

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A novel sensing hybridmaterial of Au nanoparticles (Au NPs)functionalized ZnO nanowires (AuZnO NWs) was successfully synthesized by a twostage solution process. First, ZnO NWs were fabricated...

Gold functionalized ZnO nanowires as a fast response ...

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Aug 15, 2018· Au functionalized ZnO nanowire gas sensor for detection of benzene and toluene Phys. Chem. Chem. Phys. , 15 ( 2013 ) , pp. 17179 17186 CrossRef View Record in Scopus Google Scholar

Wang, L., Wang, S., Xu, M., Hu, X., Zhang, H., Wang, Y ...

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Wang, L., Wang, S., Xu, M., Hu, X., Zhang, H., Wang, Y. and Huang, W. (2013) A AuFunctionalized ZnO Nanowire Gas Sensor for Detection of Benzene and Toluene ...

Ultraselective TolueneGas Sensor: Nanosized Gold Loaded ...

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Jan 11, 2018· A Aufunctionalized ZnO nanowire gas sensor for detection of benzene and toluene. Wang L, Wang S, Xu M, Hu X, Zhang H, Wang Y, Huang W. Phys Chem Chem Phys, 15(40):1717917186, 01 Oct 2013 Cited by: 17 articles | PMID: 24013527

Aufunctionalized ZnO nanowire gas sensor for detection …

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Aufunctionalized ZnO nanowire gas sensor for detection of benzene and toluene . Liwei Wang, a. Shurong Wang*, a. Mijuan Xu, ab. Xiaojing Hu, a. Hongxin Zhang, a. Yanshuang Wang. a. and Weiping Huang. a. a. Tianjin Key Lab of Metal and Moleculebased Material Chemistry, Department of Chemistry, Nankai University, Tianjin, 300071, China . b

Highly selective GaNnanowire/TiO2nanocluster hybrid ...

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ZnO or NiO nanoparticles [27]. ZnO NWs decorated with Pt nanoparticles were used by Zhang et al,andtheyshowed that the response of Pt nanoparticledecorated ZnO NWs to ethanol is three times higher than that of bare ZnO NWs [28]. Chang et al showed that, by adsorption of Au nanoparticles on ZnO NWs, the sensor sensitivity to CO gas could be

Highly selective and sensitive xylene sensors using Ni ...

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Branched ZnO nanowires (NWs) doped with Ni were grown by a threestep vapor phase method for the sensitive and selective detection of pxylene. ZnO NWs were directly grown on sensor substrates with Au electrodes, which were transformed into NiO NWs by the thermal evaporation of NiCl 2 powder at 700 °C. ZnO branches doped with Ni were grown ...

Threedimensional hierarchical CuO gas sensor modified by ...

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Feb 01, 2019· Wang L, Wang S, Xu M et al 2013 A Aufunctionalized ZnO nanowire gas sensor for detection of benzene and toluene Phys Chem Chem Phys 15 17179. Crossref Google Scholar. Guo J, Zhang J, Zhu M et al 2014 Highperformance gas sensor based on ZnO nanowires functionalized by Au nanoparticles Sensor Actuat B 199 339. Crossref Google …

Aufunctionalized ZnO nanowire gas sensor for …

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Aufunctionalized ZnO nanowire gas sensor for detection of benzene and toluene . Liwei Wang, a. Shurong Wang*, a. Mijuan Xu, ab. Xiaojing Hu, a. Hongxin Zhang, a. Yanshuang Wang. a. and Weiping Huang. a. a. Tianjin Key Lab of Metal and Moleculebased Material Chemistry, Department of Chemistry, Nankai University, Tianjin, 300071, China . b

(PDF) Realization of ppbscale toluenesensing abilities ...

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In this paper, we report the exceptional toluenesensing properties of SnO2ZnO coreshell nanowires (CS NWs) functionalized with Pt nanoparticles (NPs). A response of 279 was obtained for 100 ppb of toluene, and to the best of our knowledge, this

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