Chemical sensors based on quasi-one-dimensional nanostructured materials
This thematic issue will present a comprehensive overview on the latest developments in the field of chemical sensors, specifically with regard to the promising approaches when 1D nanostructures are employed. Recent advances will be addressed, including fabrication techniques, growth mechanisms of novel high-performance materials with improved properties, and advanced processing technologies.
Keywords: 1D nanostructures; organic and/or inorganic materials; chemical and gas sensors; synthesis and characterization of 1D materials for chemical sensing; nanotechnology for sensors; gas–nanomaterial interactions; metal oxide nanowires and/or nanotubes; carbon- and dichalcogenide-based materials; composites materials
Submission Deadline: March 1, 2019
Related Beilstein Journal of Nanotechnology thematic issues:
Nanostructures for sensors, electronics, energy and environment III
Functional materials for environmental sensors and energy systems
- Full Research Paper
- Published 15 Mar 2019
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Figure 1: SERS spectra of 10−4 M 4-MPBA (inset) after immersion in H2O for different VLS process temperatures....
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Figure 2: SERS intensities of the 1073 and 1574 cm−1 bands before (denoted EtOH) and after H2O washing for di...
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Figure 3: SEM images of horizontally in-plane randomly oriented SiNWs after different Ag sputtering times.
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Figure 4: SEM images of dry samples in comparison with the one after immersion in EtOH and water for two diff...
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Figure 5: SEM images of SiNWs obtained through VLS deposition at 500 °C, then sputtered Ag for 3 min and fina...
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Figure 6: Average SERS values of 4-MPBA for different SiNW thicknesses after H2O immersion.
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Figure 7: SERS enhancement after immersion in water.
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Figure 8: Fractal dimension (D) of Ag-plated SiNWs after immersion in EtOH and H2O.
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Figure 9: Lacunarity at 532 nm for different SiNWs thicknesses.
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Figure 10: Comparison of the commercial SERS substrates and the synthetized sample (RBI) after the immersion i...
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Figure 11: Intensity at 1073 cm−1 for the samples fabricated in different labs.
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- Full Research Paper
- Published 08 Jul 2019
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Figure 1: Scheme of nanowire synthesis (a), SEM image of SnO2 nanowires after synthesis (b), SEM image of a s...
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Figure 2: TEM image of blank tin dioxide nanopowder after annealing.
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Figure 3: Nanowire with electrical contacts.
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Figure 4: Experimental diffractograms of SnO2 nanowire (blue) and SnO2 nanopowder (red).
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Figure 5: Photoelectron survey spectra for tin dioxide nanowires and powder samples obtained at an excitation...
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Figure 6: XPS spectra of (a) SnO2 powder, Sn 3d5/2; (b) SnO2 powder, O 1s; (c) SnO2 nanowires, Sn 3d5/2; (d) ...
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Figure 7: XANES Sn M4,5 spectra of SnO2 wire-like crystals (top) [37,38], SnO2 powder (middle) and sintered SnO2 lum...
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Figure 8: XANES O K spectra of SnO2 wire-like crystals (top) [37,38], SnO2 powder (middle) and sintered SnO2 lump re...
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Figure 9: Response of nanowire and nanopowder sensors towards different concentrations of ammonia.
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Figure 10: Calibration curves of the nanowire (NW) and sol–gel (nanopowder) sensors.
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Figure 11: Response of two sensors based on sol–gel technology and on an individual nanowire (NW) as a functio...
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- Full Research Paper
- Published 26 Jul 2019
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Figure 1: Synthesis scheme of nanocrystalline ZnO, SiC and ZnO/SiC nanocomposite materials.
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Figure 2: SEM micrographs of polymer nanofibers containing polycarbosilane (a) and zinc acetate (b). SEM micr...
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Figure 3: X-ray diffraction patterns of (a) ZnO nanofibers and nanocrystalline SiC and (b) ZnO/SiC nanocompos...
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Figure 4: FTIR spectra of ZnO nanofibers, nanocrystalline SiC and ZnO/SiC nanocomposites.
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Figure 5: X-ray photoelectron spectra of SiC in the Si 2p (a), C 1s (b), and O 1s (c) regions.
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Figure 6: X-ray photoelectron spectra of the ZnO/SiC_15 nanocomposite (a, c) and ZnO nanofibers (b, d) in the...
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Figure 7: The conductance, G, of ZnO nanofibers and ZnO/SiC nanocomposites in the temperature range 400–550 °...
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Figure 8: Change in the resistance of ZnO nanofibers and ZnO/SiC nanocomposites with a periodic change in the...
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Figure 9: Temperature dependence of the sensor response of ZnO nanofibers and ZnO/SiC nanocomposites towards ...
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Figure 10: Estimated band alignment of the wurtzite ZnO and 3C-SiC phases. Adapted from [37] with permission from ...
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