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The vapor transport approach was used to create Tungsten Oxide Nanowire from WO3 powder as the starting material. Transmission electron microscopy, scanning electron microscopy, and X-ray diffraction were used to examine the crystal structure and morphology of WO3 nanowires.
Hexagonal WO3 Tungsten Oxide Nanowire were produced. The temperature of the furnace and the placement of the substrate were the main determinants of morphology.
As the substrate was moved further away from the starting material, the nanowires’ diameter shrunk. By adding a few drops of ethanol suspended in nanowires to oxidized silicon substrates with two interdigitated Pt electrodes, sensors were created.
The Global Tungsten Oxide Nanowire market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
Tungsten Oxide Nanowire were created utilizing a one-pot solution-phase technique employing WCl6 as a precursor and 100% ethanol as a solvent, and they were employed as gas sensing materials.
By accurately regulating the concentration of the WCl6 precursor in the solution, one can control the crystal structure, morphology, and specific surface area of the materials.
When the precursor amount is 4 mg/mL, it has been discovered that the produced products are Tungsten Oxide Nanowire with a diameter of roughly 0.8 nm, only one exposed crystal plane [010], and a specific surface area of 194.72 m2/g. Following the gas sensing test, it was discovered that they have outstanding acetone selectivity.
Response times for 50 ppm acetone are 11 and 13 s, respectively, and the response reaches 48.6. it simulated and computed the adsorption energy (EAds) between various W18O49 surfaces and various volatile organic compound (VOC) molecules by DFT in order to assess the interaction between W18O49 surfaces and distinct VOC molecules.
The ultrahigh selectivity of W18O49 Tungsten Oxide Nanowire to acetone is further confirmed by the calculated results, which concur with the experimental data.
The aforementioned findings show that the single crystal plane’s exposure is what gives W18O49 Tungsten Oxide Nanowire their remarkable selectivity to acetone . This research is useful for improving acetone detection.
