Synthesis of zinc oxide nanoplates and their use for hydrogen sulfide adsorption

Dearden, Brent R.; Edwards, Austin C.; Evans, Zach T.; Woolsey, Brielle; Blair, Charles R.; Harrison, Nicholas G.; Harrison, Roger G.

doi:10.1007/s10971-021-05686-9

Cited by 3 publications

(2 citation statements)

References 24 publications

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“…The average nanostructure sizes of neZnO prepared by the colloidal method (Figure 3C and D) were much smaller than those prepared by the hydrothermal method (Figure 3A and B). The resulting conformation of Qr‐SV and Qr‐CV agrees with previous reports [33–36] . The average particle size analysis is consistent with the calculation of the average crystallite size in the XRD analysis.…”

Section: Resultssupporting

confidence: 90%

“…The resulting conformation of Qr-SV and Qr-CV agrees with previous reports. [33][34][35][36] The average particle size analysis is consistent with the calculation of the average crystallite size in the XRD analysis. These outcomes demonstrate that the synthesis method played a fundamental role in tuning different particle morphologies.…”

Section: Morphology By Scanning Electron Microscopysupporting

confidence: 82%

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Quasi‐Diamond Platelet‐Shaped Zinc Oxide Nanostructures Display Enhanced Antibacterial Activity

Araiza‐Campos,

Herrera‐Pérez,

Salas‐Leiva

et al. 2023

ChemBioChem

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The current study compares the antibacterial activity of zinc oxide nanostructures (neZnO). For this purpose, two bacterial strains, Escherichia coli (ATCC 4157) and Staphylococcus aureus (ATCC 29213) were challenged in room light conditions with the aforementioned materials. Colloidal and hydrothermal methods were used to obtain the quasi‐round and quasi‐diamond platelet‐shape nanostructures. Thus, the oxygen vacancy (VO) effects on the surface of neZnO are also considered to assess its effects on antibacterial activity. The neZnO characterization was achieved by X‐ray diffraction (XRD), a selected area electron diffraction (SAED) and Raman spectroscopy. Microstructural effects were monitored by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Furthermore, optical absorption (UV‐Vis) and X‐ray photoelectron spectroscopy (XPS) analyses complement the physical characterization of these nanostructures; neZnO was found to cause 50% inhibition (IC50) at concentrations from 0.064 to 0.072 mg/mL for S. aureus and 0.083 to 0.104 mg/mL for E. coli, indicating an increase in activity against S. aureus compared to E. coli. Consequently, quasi‐diamond platelet‐shaped nanostructures (average particle size of 377.6 ± 10 nm) exhibited enhanced antibacterial activity compared to quasi‐round agglomerated particles (average size of 442.8 ± 12 nm), regardless of Vo presence or absence.

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Section: Resultssupporting

confidence: 90%