TY  - JOUR
TI  - Green route to prepare zinc oxide nanoparticles using Moringa oleifera leaf extracts and their structural, optical and impedance spectral properties
T2  - Semiconductor Physics, Quantum Electronics & Optoelectronics
AU  - Vella Durai, S.C.
AU  - Kumar, E.
AU  - Indira, R.
VL  - 27
IS  - 1
SP  - 064
EP  - 069
PY  - 2024
DA  - 2024
DO  - 10.15407/spqeo27.01.064
UR  - https://doi.org/10.15407/spqeo27.01.064
AB  - This article investigates biosynthesis of zinc oxide (ZnO) nanoparticles
      (NPs) from Moringa oleifera leaves extract using an eco-friendly preparation
      method. The crystalline structure, optical properties, morphology and
      impedance characteristics of ZnO NPs were analyzed using impedance
      spectroscopy, powder X-ray diffraction (XRD), scanning electron microscopy,
      Fourier transform infrared spectroscopy (FTIR) and ultraviolet spectroscopy
      (UV-vis). The powder XRD pattern confirmed the crystallinity of the prepared
      samples as well as enabled determining their crystallite size and pure phase
      portion. The FTIR study confirmed the presence of functional groups
      responsible for reduction metal ions into ZnO NPs. UV-vis absorption spectra
      contained the absorption peak corresponding to ZnO NPs. Impedance
      spectroscopy of the prepared ZnO NPs revealed the grain boundaries in them
      and confirmed their semiconducting nature.
KW  - frequency
KW  - impedance spectroscopy
KW  - leaves extract
KW  - Moringa oleifera
KW  - bio-synthesis
KW  - absorption spectra
ER  -