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. 2023 Mar 31;13(7):1244. doi: 10.3390/nano13071244

Table 3.

Zinc salt/precursor used, synthesis condition, ZnO-NPs morphology, and their applications.

Zinc Salt/Precursor Synthesis Condition Shape Size (nm) Application References
Zn(NO3)2·6H2O
  • -

    Reaction temperature, 60 °C.

  • -

    Stirred continuously for 1 h.

  • -

    Drying at 100 °C for 1 h.

  • -

    Annealed 550 °C, 2 h.

 Quasi-Spherical 39 Photocatalytic degradation of methylene blue, antibacterial, antifungal [78]
Zn(NO3)2·6H2O
  • -

    Reaction temperature, 60 °C in oil bath.

  • -

    Incubated for 6 h.

  • -

    Annealed 200, 400, 600, and 800 °C for 2 h.

 Spherical 30 Na [76]
Zn(NO3)2·6H2O
  • -

    Continuous stirred at 60 °C until paste formed.

  • -

    Annealed 400 °C for 2 h.

 Plate-like and rod-like structure 26 Na [79]
Zn(NO3)2·6H2O
  • -

    Stirred for 1 h.

  • -

    Heating at 100 °C with continuous stirring until powder obtained.

 Spherical 23 Antimicrobial [80]

Na—not applicable.