Synthesis and fabrication of ZnO–CuO doped PVA and ZnO–PbO doped PVA nanocomposite films by using γ-radiolysis and it’s microbial sensor application

Huda Abdullah, Noor Azwen Noor Azmy, Norshafadzila Mohammad Naim, Aidil Abdul Hamid, Sarada Idris

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The fabricated of ZnO–CuO doped PVA and ZnO–PbO doped PVA nanocomposite thin films for determination of Escherichia coli has been investigated. ZnO–CuO doped PVA and ZnO–PbO doped PVA nanocomposite thin films were fabricated by sol–gel spin coating method and were exposed to 60Co γ-radiation source at difference dose rate, between 0 and 30 kGy at room temperature. The resulting materials were investigated using X-ray diffraction, atomic force microscopy, transmission electron microscopy (TEM), field emission scanning electron microscopy (FESEM), UV–visible spectroscopy and current–voltage (I–V) measurement. The XRD spectra have been performed to observe the formation of crystal phases of all pure ZnO–CuO doped PVA and ZnO–PbO doped PVA thin films. The diffraction patterns reveal good crystalline quality. TEM and FESEM showed the uniform distribution of nanoparticles of metal oxides. Effect of γ-radiation on thin films decreased the crystallite size, surface morphology and grain size of thin films. UV–visible spectroscopy indicates the energy band gap, Eg decreased as the γ-radiation increased. The nanocomposite thin films prepared by γ-radiation can be applied to be used as biosensor materials.

Original languageEnglish
Pages (from-to)15-23
Number of pages9
JournalJournal of Sol-Gel Science and Technology
Volume74
Issue number1
DOIs
Publication statusPublished - 2015

Fingerprint

Radiolysis
Nanocomposite films
radiolysis
nanocomposites
Fabrication
Thin films
fabrication
sensors
Sensors
synthesis
thin films
Radiation
Field emission
field emission
radiation
Spectroscopy
Transmission electron microscopy
transmission electron microscopy
Scanning electron microscopy
scanning electron microscopy

Keywords

  • Biosensor
  • Nanocomposite
  • PVA-ZnO–CuO
  • PVA-ZnO–PbO
  • Thin films
  • γ-Radiation

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Biomaterials
  • Ceramics and Composites
  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry

Cite this

Synthesis and fabrication of ZnO–CuO doped PVA and ZnO–PbO doped PVA nanocomposite films by using γ-radiolysis and it’s microbial sensor application. / Abdullah, Huda; Azmy, Noor Azwen Noor; Naim, Norshafadzila Mohammad; Abdul Hamid, Aidil; Idris, Sarada.

In: Journal of Sol-Gel Science and Technology, Vol. 74, No. 1, 2015, p. 15-23.

Research output: Contribution to journalArticle

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abstract = "The fabricated of ZnO–CuO doped PVA and ZnO–PbO doped PVA nanocomposite thin films for determination of Escherichia coli has been investigated. ZnO–CuO doped PVA and ZnO–PbO doped PVA nanocomposite thin films were fabricated by sol–gel spin coating method and were exposed to 60Co γ-radiation source at difference dose rate, between 0 and 30 kGy at room temperature. The resulting materials were investigated using X-ray diffraction, atomic force microscopy, transmission electron microscopy (TEM), field emission scanning electron microscopy (FESEM), UV–visible spectroscopy and current–voltage (I–V) measurement. The XRD spectra have been performed to observe the formation of crystal phases of all pure ZnO–CuO doped PVA and ZnO–PbO doped PVA thin films. The diffraction patterns reveal good crystalline quality. TEM and FESEM showed the uniform distribution of nanoparticles of metal oxides. Effect of γ-radiation on thin films decreased the crystallite size, surface morphology and grain size of thin films. UV–visible spectroscopy indicates the energy band gap, Eg decreased as the γ-radiation increased. The nanocomposite thin films prepared by γ-radiation can be applied to be used as biosensor materials.",
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AU - Abdul Hamid, Aidil

AU - Idris, Sarada

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