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Journal articles on the topic 'Au/WO3'

Author: Grafiati

Published: 20 April 2024

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1

Xue, Dongping, and Zhanying Zhang. "Au-sensitized WO3 nanoparticles synthesized and their enhanced acetone sensing properties." Functional Materials Letters 11, no. 04 (2018): 1850071. http://dx.doi.org/10.1142/s1793604718500716.

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Au-sensitized WO3 nanoparticles have been synthesized by a facile two-step hydrothermal method. The structures, morphologies and surface compositions of the materials were characterized by X-ray diffraction (XRD), energy dispersive spectroscopy (EDS) and scanning electron microscopy (SEM). The test results show that we have prepared higher purity Au-sensitized WO3 nanoparticles. The gas-sensing properties of pure and Au-sensitized WO3 nanoparticles on acetone vapor were further investigated. The results obtained show that the response-recovery time of the two samples prepared is relatively sho

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2

Minggu, Lorna Jeffery, Nurul Akmal Jaafar, Kim Hang Ng, Khuzaimah Arifin, and Rozan Mohamad Yunus. "Electrodeposited WO3/Au Photoanodes for Photoelectrochemical Reactions." Sains Malaysiana 49, no. 12 (2020): 3155–63. http://dx.doi.org/10.17576/jsm-2020-4912-27.

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This work aims to study the effect of gold (Au) loading on the photoelectrochemical behavior of tungsten trioxide (WO3) photoelectrodes. The WO3 film has been fabricated via electrodeposition method with constant potential on fluorine doped tin oxide (FTO) glass substrate. The Au nanoparticle loading on WO3 films surface was also prepared by constant potential electrodeposition. Due to the small amount of Au loading, the band gap values of the plasmonized WO3 remained around 2.6 eV. However, during the photoelectrochemical analysis, the photoactivity of the plasmonized WO3 photoelectrodes impr

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3

Jeffery Minggu, Lorna, Nurul Akmal Jaafar, Kim Hang Ng, Khuzaimah Arifin, and Rozan Mohamad Yunus. "Electrodeposited WO3/Au Photoanodes for Photoelectrochemical Reactions." Sains Malaysiana 49, no. 12 (2020): 3209–17. http://dx.doi.org/10.17576/jsm-2020-4912-32.

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This work aims to study the effect of gold (Au) loading on the photoelectrochemical behavior of tungsten trioxide (WO3) photoelectrodes. The WO3 film has been fabricated via electrodeposition method with constant potential on fluorine doped tin oxide (FTO) glass substrate. The Au nanoparticle loading on WO3 films surface was also prepared by constant potential electrodeposition. Due to the small amount of Au loading, the band gap values of the plasmonized WO3 remained around 2.6 eV. However, during the photoelectrochemical analysis, the photoactivity of the plasmonized WO3 photoelectrodes impr

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4

Figueiredo, Nuno M., Filipe Vaz, Luís Cunha, and Albano Cavaleiro. "Au-WO3 Nanocomposite Coatings for Localized Surface Plasmon Resonance Sensing." Materials 13, no. 1 (2020): 246. http://dx.doi.org/10.3390/ma13010246.

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Localized surface plasmon resonance (LSPR) gas sensors are gaining increasing importance due to their unique tuneable functional properties. Au-WO3−x nanocomposite coatings, in particular, can be outstandingly sensitive to many different gases. However, a proper understanding of their optical properties and the way in which those properties are correlated to their structure/microstructure, is still needed. In this work, Au-WO3 nanocomposite coatings, with Au contents between 0–11 atomic percent, were grown using reactive magnetron co-sputtering technique and were characterized concerning their

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5

Paliwal, Ayushi, Monika Tomar, and Vinay Gupta. "Thickness Dependent Optical Properties of WO3 Thin Film using Surface Plasmon Resonance." MRS Proceedings 1494 (2013): 233–38. http://dx.doi.org/10.1557/opl.2013.137.

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ABSTRACTThe effect of tungsten oxide (WO3) thin film thickness on the surface plasmon resonance (SPR) properties have been investigated. WO3 films of varying the thickness (36 nm, 60 nm, 80 nm, 100 nm, 150 nm and 200nm) have been deposited onto Au coated prism (Au/prism) by radio frequency (RF) magnetron sputtering technique. The SPR responses of bilayer films were fitted with the Fresnel’s equations in order to calculate the dielectric constant of WO3 thin film. The variation of complex dielectric constant and refractive index with the thickness of WO3 thin film was studied.

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6

Székely, István, Zoltán Kovács, Mihai Rusu, et al. "Tungsten Oxide Morphology-Dependent Au/TiO2/WO3 Heterostructures with Applications in Heterogenous Photocatalysis and Surface-Enhanced Raman Spectroscopy." Catalysts 13, no. 6 (2023): 1015. http://dx.doi.org/10.3390/catal13061015.

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Developing highly efficient Au/TiO2/WO3 heterostructures with applications in heterogeneous photocatalysis (photocatalytic degradation) and surface-enhanced Raman spectroscopy (dye detection) is currently of paramount significance. Au/TiO2/WO3 heterostructures were obtained via heat or time-assisted synthesis routes developed by slightly modifying the Turkevich–Frens synthesis methods and were investigated by TEM, SEM, XRD, Raman spectroscopy, XPS, photoluminescence, and UV–vis DRS techniques. Structural features, such as WO3 crystalline phases, TiO2 surface defects, as well as the WO3 (220) t

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7

Yoo, Ran, Hyun-Sook Lee, Wonkyung Kim, et al. "Selective Detection of Nitrogen-Containing Compound Gases." Sensors 19, no. 16 (2019): 3565. http://dx.doi.org/10.3390/s19163565.

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N-containing gaseous compounds, such as trimethylamine (TMA), triethylamine (TEA), ammonia (NH3), nitrogen monoxide (NO), and nitrogen dioxide (NO2) exude irritating odors and are harmful to the human respiratory system at high concentrations. In this study, we investigated the sensing responses of five sensor materials—Al-doped ZnO (AZO) nanoparticles (NPs), Pt-loaded AZO NPs, a Pt-loaded WO3 (Pt-WO3) thin film, an Au-loaded WO3 (Au-WO3) thin film, and N-doped graphene—to the five aforementioned gases at a concentration of 10 parts per million (ppm). The ZnO- and WO3-based materials exhibited

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8

Lamichhane, Shiva, Savita Sharma, Monika Tomar, and Arijit Chowdhuri. "Effect of variation in glancing angle deposition on resistive switching property of WO₃ thin films for RRAM devices." Journal of Applied Physics 132, no. 13 (2022): 134102. http://dx.doi.org/10.1063/5.0103236.

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In this paper, nanostructured tungsten oxide (WO3) thin films are deposited using the RF-magnetron sputtering technique in Glancing Angle (GLAD) arrangement. Variation in the structural, morphological, optical, and resistive switching (RS) characteristics of nanostructured WO3 film is investigated as a function of GLAD angle (60°–80°). Electrical studies on nanostructured WO3 films deposited at room temperature are found to exhibit enhanced bipolar resistive-switching properties in metal–insulator–metal pattern [Au/WO3/ITO]. The RON/ROFF ratio between high and low resistance states was noted t

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9

Fauzi, Aynul Sakinah Ahmad, Nur Laila Hamidah, Shota Kitamura, et al. "Electrochemical Detection of Ethanol in Air Using Graphene Oxide Nanosheets Combined with Au-WO3." Sensors 22, no. 9 (2022): 3194. http://dx.doi.org/10.3390/s22093194.

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Detection, monitoring, and analysis of ethanol are important in various fields such as health care, food industries, and safety control. In this study, we report that a solid electrolyte gas sensor based on a proton-conducting membrane is promising for detecting ethanol in air. We focused on graphene oxide (GO) as a new solid electrolyte because it shows a high proton conductivity at room temperature. GO nanosheets are synthesized by oxidation and exfoliation of expanded graphite via the Tour’s method. GO membranes are fabricated by stacking GO nanosheets by vacuum filtration. To detect ethano

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10

Balázsi, Csaba, Radu Ionescu, and Katarína Sedlácková. "Hexagonal WO₃ Films with Carbon Nanotubes for Sensing Applications." Materials Science Forum 589 (June 2008): 67–71. http://dx.doi.org/10.4028/www.scientific.net/msf.589.67.

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In this work, nanocrystalline hexagonal tungsten oxide was prepared by acidic precipitation from sodium tungstate solution. TEM studies of nanopowders showed that the average size of the hexagonal nanoparticles is 30-50 nm. Novel nanocomposites were prepared by embedding a low amount of gold decorated carbon nanotubes into the hex-WO3 matrix. The addition of MWCNTs lowered the temperature range of sensitivity of hex-WO3 nanocomposites to NO2 hazardous gas. The sensitivity of hex - WO3 with Au-decorated MWCNTs to NO2 is at the temperature range between 25°C and 250°C.

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11

Castello Lux, Kevin, Katia Fajerwerg, Julie Hot, et al. "Nano-Structuration of WO3 Nanoleaves by Localized Hydrolysis of an Organometallic Zn Precursor: Application to Photocatalytic NO2 Abatement." Nanomaterials 12, no. 24 (2022): 4360. http://dx.doi.org/10.3390/nano12244360.

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WO3 is a known photocatalytic metal oxide frequently studied for its depollution properties. However, it suffers from a high recombination rate of the photogenerated electron/holes pair that is detrimental to its performance. In this paper, we present a new chemical method to decorate WO3 nanoleaves (NLs) with a complementary metal oxide (ZnWO4) in order to improve the photocatalytic performance of the composite material for the abatement of 400 ppb NO2 under mild UV exposure. Our strategy was to synthesize WO3·2H2O nanoleaves, then, to expose them, in water-free organic solution, to an organo

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12

Niran F. Abdul-Jabbar, Issam M.Ibrahim, and Abeer H. Fezaa. "The effect of gold Nanoparticles on Structural and Electrical properties of WO3 thin films." Tikrit Journal of Pure Science 23, no. 2 (2023): 114–22. http://dx.doi.org/10.25130/tjps.v23i2.659.

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Chemical spray pyrolysis technique was used at temperature 250˚C with annealing temperature at 400C˚( for 1hour) to deposition tungsten oxide thin film with different doping concentration of Au nanoparticle (0, 10, 20, 30 and 40) wt.% on glass substrate with thickness about 100 nm. The structural and electrical properties were investigated. The structure properties shows that the films at substrate by x-ray diffraction (XRD) temperature (250˚C) was amorphous structure while at annealing temperature have a polycrystalline structure with the preferred orientation of (200) , all the samples have

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13

Lin, Jin Yang, Yong Ai Zhang, Ling Jie Wang, and Tai Liang Guo. "WO₃-Based Sensor Based on Hall Effect for NO₂ Detection: Designed and Investigation." Advanced Materials Research 148-149 (October 2010): 1042–46. http://dx.doi.org/10.4028/www.scientific.net/amr.148-149.1042.

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Novel tungsten oxide sensors were fabricated based on Hall Effect and their NO2 gas sensing properties were examined. Tungsten trioxide was grown by vapor evaporation of metal tungsten filament in an oxygen atmosphere. A WO3 thick film was deposited on the four Au electrode to be a WO3 sensor. The sensor was tested between magnetic field in a plastic test chamber. The gas sensing experiment revealed that at the NO2 concentration of 40 ppm, a sensitivity of 3.27, a response time of 36 s, and a recovery time of 45 s were observed at room-temperature. The effect of WO3 based on Hall Effect on the

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14

Krajczewski, Jan, Robert Ambroziak, Sylwia Turczyniak-Surdacka, and Małgorzata Dziubałtowska. "WO3 Nanopores Array Modified by Au Trisoctahedral NPs: Formation, Characterization and SERS Application." Materials 15, no. 23 (2022): 8706. http://dx.doi.org/10.3390/ma15238706.

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The WO3 nanopores array was obtained by an anodization method in aqueous solution with addition of F- ions. Several factors affecting the final morphology of the samples were tested such as potential, time, and F- concentrations. The morphology of the formed nanopores arrays was examined by SEM microscopy. It was found that the optimal time of anodization process is in the range of 0.5–1 h. The nanopores size increased with the increasing potential. The XPS measurements do not show any contamination by F- on the surface, which is common for WOx samples formed by an anodization method. Such a l

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15

Desseigne, Margaux, Virginie Chevallier, Véronique Madigou, et al. "Plasmonic Photocatalysts Based on Au Nanoparticles and WO3 for Visible Light-Induced Photocatalytic Activity." Catalysts 13, no. 10 (2023): 1333. http://dx.doi.org/10.3390/catal13101333.

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In this work, we report the application of Au/WO3 composite as a photocatalyst for the degradation of dyes under solar light irradiation. Au/WO3 nanocomposites were synthesized using an acid precipitation method followed by an impregnation/reduction at room temperature. Two composites were obtained by loading gold nanoparticles on two morphologies of nanostructured WO3, nanoplatelets (NP), and pseudospheres (PS). The elaboration parameters of the nanocomposites were optimized according to the gold mass percentage, the HAuCl4 precursor concentration, and the impregnation time. The structural, m

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16

Najafi-Ashtiani, Hamed. "The effect of different surface morphologies on WO3 and WO3-Au gas-sensors performance." Journal of Materials Science: Materials in Electronics 30, no. 13 (2019): 12224–33. http://dx.doi.org/10.1007/s10854-019-01581-w.

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17

Sagidolda, Yerulan, Saule Yergaliyeva, Zhandos Tolepov, et al. "Peculiarities of the Structure of Au-TiO2 and Au-WO3 Plasmonic Nanocomposites." Materials 16, no. 20 (2023): 6809. http://dx.doi.org/10.3390/ma16206809.

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As nanotechnology continues to advance, the study of nanocomposites and their unique properties is at the forefront of research. There are still various blank spots in understanding the behavior of such composite materials, especially regarding plasmonic effects like localized surface plasmon resonance (LSPR) which is essential for developing advanced nanotechnologies. In this work, we explore the structural properties of composite thin films consisting of oxide matrices and gold nanoparticles (Au NPs), which were prepared by radio-frequency magnetron sputtering. Titanium dioxide (TiO2) and tu

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18

Rusu, M., M. Baia, Zs Pap, V. Danciu, and L. Baia. "Structural investigations of TiO2–WO3–Au porous composites." Journal of Molecular Structure 1073 (September 2014): 150–56. http://dx.doi.org/10.1016/j.molstruc.2014.04.087.

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19

Wang, Xiaoguang, Honghui Pan, Minghui Sun, and Yanrong Zhang. "Au single atom-anchored WO₃/TiO₂ nanotubes for the photocatalytic degradation of volatile organic compounds." Journal of Materials Chemistry A 10, no. 11 (2022): 6078–85. http://dx.doi.org/10.1039/d1ta08143h.

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Anchoring Au atoms on WO3/TiO2 nanotubes by a simple two-step electrochemical approach significantly improved the photocatalytic degradation of toluene, due to the enhanced transfer and separation of photogenerated carriers and adsorption.

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20

Al-Kuhaili, M. F., A. H. Al-Aswad, S. M. A. Durrani, and I. A. Bakhtiari. "Energy-saving transparent heat mirrors based on tungsten oxide–gold WO3/Au/WO3 multilayer structures." Solar Energy 86, no. 11 (2012): 3183–89. http://dx.doi.org/10.1016/j.solener.2012.08.008.

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21

Deng, Henghua, Dongfang Yang, Bo Chen, and Chii-Wann Lin. "Simulation of surface plasmon resonance of Au–WO3−x and Ag–WO3−x nanocomposite films." Sensors and Actuators B: Chemical 134, no. 2 (2008): 502–9. http://dx.doi.org/10.1016/j.snb.2008.05.032.

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22

DePuccio, Daniel P., Lidia Ruíz-Rodríguez, Enrique Rodríguez-Castellón, Pablo Botella, José M. López Nieto, and Christopher C. Landry. "Investigating the Influence of Au Nanoparticles on Porous SiO2–WO3 and WO3 Methanol Transformation Catalysts." Journal of Physical Chemistry C 120, no. 49 (2016): 27954–63. http://dx.doi.org/10.1021/acs.jpcc.6b08125.

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23

Xu, Fang, Yanwen Yao, Dandan Bai, et al. "Au nanoparticle decorated WO3 photoelectrode for enhanced photoelectrochemical properties." RSC Advances 5, no. 74 (2015): 60339–44. http://dx.doi.org/10.1039/c5ra06241a.

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WO<sub>3</sub>–Au photoanode exhibited about 4 times enhancement of photocurrent density compared to WO<sub>3</sub> photoanode because WO<sub>3</sub>–Au possess the higher light absorption and lower transport resistance due to surface plasmonic resonance of Au nanoparticles.

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24

Алмаев, А. В., Н. Н. Яковлев, Е. В. Черников та О. П. Толбанов. "Селективные сенсоры двуокиси азота на основе тонких пленок оксида вольфрама при воздействии оптического излучения". Письма в журнал технической физики 45, № 20 (2019): 7. http://dx.doi.org/10.21883/pjtf.2019.20.48384.17901.

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The possibility of selective detection of NO2 in the air starting with a concentration of 1 ppm by means of sensors based on thin films of Au/WO3:Au when replacing the heating by the irradiation of the diode with the wavelength of 400 nm of maximum intensity of radiation is shown. Activation of photodesorption by irradiation reduces the response times of sensors under the influence of NO2 by an order of magnitude. It was found that the effect of high humidity in the conditions of irradiation of sensors at room temperature leads to an increase in response to NO2, due to the appearance of additi

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25

Figueiredo, N. M., Y. T. Pei, J. T. M. De Hosson, and A. Cavaleiro. "Structural and functional properties of nanocomposite Au–WO3 coatings." Surface and Coatings Technology 280 (October 2015): 201–7. http://dx.doi.org/10.1016/j.surfcoat.2015.08.057.

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26

Ng, Kim Hang, Lorna Jeffery Minggu, Nurul Akmal Jaafar, Khuzaimah Arifin, and Mohammad Bin Kassim. "Enhanced plasmonic photoelectrochemical response of Au sandwiched WO3 photoanodes." Solar Energy Materials and Solar Cells 172 (December 2017): 361–67. http://dx.doi.org/10.1016/j.solmat.2017.07.040.

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27

Park, Kyung-Won. "Electrochromic properties of Au–WO3 nanocomposite thin-film electrode." Electrochimica Acta 50, no. 24 (2005): 4690–93. http://dx.doi.org/10.1016/j.electacta.2005.03.001.

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28

Reddy, B. Narsimha, P. Naresh Kumar, and Melepurath Deepa. "A Poly(3,4-ethylenedioxypyrrole)-Au@WO3-Based Electrochromic Pseudocapacitor." ChemPhysChem 16, no. 2 (2014): 377–89. http://dx.doi.org/10.1002/cphc.201402625.

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29

Ibrahim, Isam M. "The effect of gold nanoparticles on WO3 thin film." Iraqi Journal of Physics (IJP) 16, no. 36 (2018): 11–28. http://dx.doi.org/10.30723/ijp.v16i36.22.

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Chemical spray pyrolysis technique was used at substrate temperature 250 ˚C with annealing temperature at 400 ˚C (for 1hour) to deposition tungsten oxide thin film with different doping concentration of Au nanoparticle (0, 10, 20, 30 and 40)% wt. on glass substrate with thickness about 100 nm. The structural, optical properties were investigated. The X-ray diffraction shows that the films at substrate temperature (250 ˚C) was amorphous while at annealing temperature have a polycrystalline structure with the preferred orientation of (200), all the samples have a hexagonal structure for WO3 and

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30

Shujah, T., M. Ikram, A. R. Butt, et al. "H2S Gas Sensor Based on WO3 Nanostructures Synthesized via Aerosol Assisted Chemical Vapor Deposition Technique." Nanoscience and Nanotechnology Letters 11, no. 9 (2019): 1247–56. http://dx.doi.org/10.1166/nnl.2019.3011.

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Herein we demonstrate tungsten oxide (WO3 nanostructures based resistive type sensors for hydrogen sulfide (H2S) gas sensing utility. The WO3 dynamic layers have been deposited upon alumina substrates pre-patterned with gold (Au) interdigitated electrodes. For comparative study, two distinct WO3 nanostructures (S-425 and S-450) have been synthesized using Aerosol Assisted Chemical Vapor Deposition (AACVD) technique at varied deposition temperatures i.e., 425 and 450 °C, respectively. The gas detecting properties of both sensors were investigated against varied concentration (0-60 ppm) of H2S g

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31

Qamar, M., Z. H. Yamani, M. A. Gondal, and K. Alhooshani. "Synthesis and comparative photocatalytic activity of Pt/WO3 and Au/WO3 nanocomposites under sunlight-type excitation." Solid State Sciences 13, no. 9 (2011): 1748–54. http://dx.doi.org/10.1016/j.solidstatesciences.2011.07.002.

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32

Mustafa, M. H., and A. A. Shihab. "Effect of ratio gold nanoparticles on the properties and efficiency photovoltaic of thin films of amorphous tungsten trioxide." Journal of Ovonic Research 19, no. 6 (2023): 623–30. http://dx.doi.org/10.15251/jor.2023.196.623.

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At a substrate temperature of 320 o C, a chemical spray pyrolysis approach was applied. to create tungsten oxide thin films on glass substrates with varying Au nanoparticle doping concentrations (0, 0.04 and 0.08 M) that have a thickness of roughly 250 nm. Investigated were the structural and optical characteristics. The films were amorphous to the pure films at the substrate temperature (320 °C), according to X-ray diffraction and remain so even after adding GNPs, because the WO3 structure is amorphous in all samples, whereas the cubic structure of the gold nanoparticles. The morphology of th

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33

Wang, Dongran, Kai Xia, Haibin Tang, et al. "UV–Vis–NIR broad spectral photodetectors facilely fabricated with nonmetal plasmonic WO_3−x nanosheets." Applied Physics Letters 121, no. 25 (2022): 253503. http://dx.doi.org/10.1063/5.0130645.

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Plasmonic metal nanostructures have been widely applied in photodetectors for the enhanced light response range and sensitivity. In contrast, photodetection based on surface plasmon effect of the emerging plasmonic nonmetals has not been investigated. Here, single nonmetal plasmonic WO3−x nanosheets were used as the sensing material for UV–Vis–NIR broad spectral photodetectors. The plasmonic WO3−x nanosheets were synthesized by solvothermal and follow-up thermal treatment in a hydrogen-containing atmosphere, which exhibited a localized surface plasmon resonance (LSPR) band centered at 899 nm w

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34

Kim, Soohyun, Sunghoon Park, Suyoung Park, and Chongmu Lee. "Acetone sensing of Au and Pd-decorated WO3 nanorod sensors." Sensors and Actuators B: Chemical 209 (March 2015): 180–85. http://dx.doi.org/10.1016/j.snb.2014.11.106.

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35

Wang, Yinglin, Bo Zhang, Jie Liu, et al. "Au-loaded mesoporous WO3: Preparation and n-butanol sensing performances." Sensors and Actuators B: Chemical 236 (November 2016): 67–76. http://dx.doi.org/10.1016/j.snb.2016.05.097.

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36

Bose, R. Jolly, V. S. Kavitha, C. Sudarsanakumar, and V. P. Mahadevan Pillai. "Phase modification and surface plasmon resonance of Au/WO3 system." Applied Surface Science 379 (August 2016): 505–15. http://dx.doi.org/10.1016/j.apsusc.2016.04.100.

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37

Li, Wei, Dongdong Huang, Tingting Wang, et al. "Au nanoparticle decorated WO3 nanorods with enhanced optical limiting activity." Optical Materials Express 10, no. 10 (2020): 2655. http://dx.doi.org/10.1364/ome.403617.

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38

Chen, Bo, Dongfang Yang, and Chii-Wann Lin. "Surface plasmon resonance response of Au–WO3−x composite films." Applied Physics A 97, no. 2 (2009): 489–96. http://dx.doi.org/10.1007/s00339-009-5249-4.

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39

Liu, Chunlei, Jikai Yang, Haorui Liu, and Yiming Zhao. "Electrochromism and photoelectrochemical performance of WO3/Au composite film electrodes." Optoelectronics Letters 19, no. 11 (2023): 673–80. http://dx.doi.org/10.1007/s11801-023-3087-9.

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40

DePuccio, Daniel P., Pablo Botella, Bruce O’Rourke, and Christopher C. Landry. "Degradation of Methylene Blue Using Porous WO3, SiO2–WO3, and Their Au-Loaded Analogs: Adsorption and Photocatalytic Studies." ACS Applied Materials & Interfaces 7, no. 3 (2015): 1987–96. http://dx.doi.org/10.1021/am507806a.

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41

Qamar, M., Z. H. Yamani, M. A. Gondal, and K. Alhooshani. "ChemInform Abstract: Synthesis and Comparative Photocatalytic Activity of Pt/WO3 and Au/WO3 Nanocomposites under Sunlight-Type Excitation." ChemInform 42, no. 49 (2011): no. http://dx.doi.org/10.1002/chin.201149011.

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42

Thakur, Uttam Narendra, Radha Bhardwaj, Pawan K. Ajmera, and Arnab Hazra. "ANN based approach for selective detection of breath acetone by using hybrid GO-FET sensor array." Engineering Research Express 4, no. 2 (2022): 025008. http://dx.doi.org/10.1088/2631-8695/ac6487.

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Abstract This research used hybrid graphene oxide (GO) field effect transistors (FETs) based sensor array to design an electronic nose (e-nose) for identifying exhaled breath acetone to diagnose diabetes mellitus through noninvasive route. Six back gated FET sensors were fabricated with hybrid channel of GO, WO3 and noble metals (Au, Pd and Pt) nanoparticles. The experiment was carried out by using four distinct forms of synthetic breath, each with a different level of interference. Linear discriminant analysis (LDA) and artificial neural networks (ANN) were utilized to classify and analyze th

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43

He, Tao, Ying Ma, Ya-an Cao, Wen-sheng Yang, and Jian-nian Yao. "Improved photochromism of WO3 thin films by addition of Au nanoparticles." Physical Chemistry Chemical Physics 4, no. 9 (2002): 1637–39. http://dx.doi.org/10.1039/b108531j.

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44

DePuccio, Daniel P., and Christopher C. Landry. "Photocatalytic oxidation of methanol using porous Au/WO3 and visible light." Catalysis Science & Technology 6, no. 20 (2016): 7512–20. http://dx.doi.org/10.1039/c6cy01449f.

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Drmosh, Qasem Ahmed. "Variation of Sputtered WO3 Film Thickness in Ag (NPs)/WO3/Au (NPs) System for Optimizing Sensing Behaviors to NH3." ECS Meeting Abstracts MA2021-01, no. 56 (2021): 1476. http://dx.doi.org/10.1149/ma2021-01561476mtgabs.

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Chen, Yu, Liang Shen, Wenjuan Yu, et al. "Highly efficient ITO-free polymer solar cells based on metal resonant microcavity using WO3/Au/WO3 as transparent electrodes." Organic Electronics 15, no. 7 (2014): 1545–51. http://dx.doi.org/10.1016/j.orgel.2014.04.026.

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YOO, J., D. OH, and E. WACHSMAN. "Investigation of WO3-based potentiometric sensor performance (M/YSZ/WO3, M = Au, Pd, and TiO2) with varying counter electrode." Solid State Ionics 179, no. 37 (2008): 2090–100. http://dx.doi.org/10.1016/j.ssi.2008.07.020.

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Jiang, Zikai, Weigen Chen, Lingfeng Jin, Fang Cui, Zihao Song, and Chengzhi Zhu. "High Performance Acetylene Sensor with Heterostructure Based on WO3 Nanolamellae/Reduced Graphene Oxide (rGO) Nanosheets Operating at Low Temperature." Nanomaterials 8, no. 11 (2018): 909. http://dx.doi.org/10.3390/nano8110909.

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Abstract:

The development of functionalized metal oxide/reduced graphene oxide (rGO) hybrid nanocomposites concerning power equipment failure diagnosis is one of the most recent topics. In this work, WO3 nanolamellae/reduced graphene oxide (rGO) nanocomposites with different contents of GO (0.5 wt %, 1 wt %, 2 wt %, 4 wt %) were synthesized via controlled hydrothermal method. X-ray diffraction (XRD), transmission electron microscopy (TEM), Raman spectroscopy, X-ray photoelectron spectroscopy (XPS), thermogravimetric analyses-derivative thermogravimetric analysis-differential scanning calorimetry (TG-DTG

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DePuccio, Daniel P., Pablo Botella, Bruce O’Rourke, and Christopher C. Landry. "Correction to “Degradation of Methylene Blue Using Porous WO3, SiO2–WO3, and Their Au-Loaded Analogs: Adsorption and Photocatalytic Studies”." ACS Applied Materials & Interfaces 7, no. 51 (2015): 28714–15. http://dx.doi.org/10.1021/acsami.5b11407.

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Rhaman, Md Masudur, Sumon Ganguli, Sandipan Bera, Sher Bahadur Rawal, and Ashok Kumar Chakraborty. "Visible-light responsive novel WO3/TiO2 and Au loaded WO3/TiO2 nanocomposite and wastewater remediation: Mechanistic inside and photocatalysis pathway." Journal of Water Process Engineering 36 (August 2020): 101256. http://dx.doi.org/10.1016/j.jwpe.2020.101256.

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