Structural, optical, morphological and thermal properties of PEO/PVP blend containing different concentrations of biosynthesized Au nanoparticles

Casting technique was used for preparation of polyethylene oxide (PEO)/polyvinyl pyrrolidone (PVP) (70/30wt.%) films filled with different concentrations of gold nanoparticles (Au NPs). X-ray diffraction (XRD) pattern proved the semi-crystalline nature of the pristine and filled polymer blend. Fouri...

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Published inJournal of materials research and technology Vol. 7; no. 4; pp. 419 - 431
Main Authors Abdelrazek, ElMetwally M., Abdelghany, Amr M., Badr, Shalabya I., Morsi, Mohamed A.
Format Journal Article
LanguageEnglish
Published Elsevier Editora Ltda 01.10.2018
Elsevier
Subjects
Au NPs
FT-IR
Optical properties
PEO/PVP
TGA
FT-IR
PEO/PVP
Optical properties
Au NPs
TGA
Online AccessGet full text
ISSN2238-7854
DOI10.1016/j.jmrt.2017.06.009

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Abstract Casting technique was used for preparation of polyethylene oxide (PEO)/polyvinyl pyrrolidone (PVP) (70/30wt.%) films filled with different concentrations of gold nanoparticles (Au NPs). X-ray diffraction (XRD) pattern proved the semi-crystalline nature of the pristine and filled polymer blend. Fourier transform infrared (FT-IR) and Ultraviolet/Visible (UV/Vis.) analyses were used to retrace the structural and optical changes with increasing Au content. UV/Vis. analysis spectroscopy was utilized to calculate the optical properties such as optical energy gap Eg, refractive index n and Urbach energy Eu for blend/Au nanocomposite films. Scanning electron micrograph (SEM) suggested the dependence of morphological structure on filling level and the surface morphology changed from rough to smooth. Transmission electron microscope (TEM) micrographs showed that the size of Au NPs was increased with continuous filling in PEO/PVP. Thermogravimetric analysis (TGA) was performed to investigate the thermal stability for nanocomposite films.
AbstractList Casting technique was used for preparation of polyethylene oxide (PEO)/polyvinyl pyrrolidone (PVP) (70/30wt.%) films filled with different concentrations of gold nanoparticles (Au NPs). X-ray diffraction (XRD) pattern proved the semi-crystalline nature of the pristine and filled polymer blend. Fourier transform infrared (FT-IR) and Ultraviolet/Visible (UV/Vis.) analyses were used to retrace the structural and optical changes with increasing Au content. UV/Vis. analysis spectroscopy was utilized to calculate the optical properties such as optical energy gap Eg, refractive index n and Urbach energy Eu for blend/Au nanocomposite films. Scanning electron micrograph (SEM) suggested the dependence of morphological structure on filling level and the surface morphology changed from rough to smooth. Transmission electron microscope (TEM) micrographs showed that the size of Au NPs was increased with continuous filling in PEO/PVP. Thermogravimetric analysis (TGA) was performed to investigate the thermal stability for nanocomposite films.
Casting technique was used for preparation of polyethylene oxide (PEO)/polyvinyl pyrrolidone (PVP) (70/30 wt.%) films filled with different concentrations of gold nanoparticles (Au NPs). X-ray diffraction (XRD) pattern proved the semi-crystalline nature of the pristine and filled polymer blend. Fourier transform infrared (FT-IR) and Ultraviolet/Visible (UV/Vis.) analyses were used to retrace the structural and optical changes with increasing Au content. UV/Vis. analysis spectroscopy was utilized to calculate the optical properties such as optical energy gap Eg, refractive index n and Urbach energy Eu for blend/Au nanocomposite films. Scanning electron micrograph (SEM) suggested the dependence of morphological structure on filling level and the surface morphology changed from rough to smooth. Transmission electron microscope (TEM) micrographs showed that the size of Au NPs was increased with continuous filling in PEO/PVP. Thermogravimetric analysis (TGA) was performed to investigate the thermal stability for nanocomposite films. Keywords: PEO/PVP, Au NPs, FT-IR, Optical properties, TGA
Author Abdelrazek, ElMetwally M.
Badr, Shalabya I.
Abdelghany, Amr M.
Morsi, Mohamed A.
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  fullname: Abdelrazek, ElMetwally M.
  organization: Department of Physics, Faculty of Science at Al-Ula, Taibah University, Madinah Munawwarah, Saudi Arabia
– sequence: 2
  givenname: Amr M.
  surname: Abdelghany
  fullname: Abdelghany, Amr M.
  organization: Physics Division, Spectroscopy Department, National Research Center, 33 Elbehouth St., Cairo 12311, Egypt
– sequence: 3
  givenname: Shalabya I.
  surname: Badr
  fullname: Badr, Shalabya I.
  organization: Physics Department, Faculty of Science, Mansoura University, Mansoura 35516, Egypt
– sequence: 4
  givenname: Mohamed A.
  surname: Morsi
  fullname: Morsi, Mohamed A.
  email: m.a_morsi@yahoo.com
  organization: Engineering Basic Science Department, Faculty of Engineering, Egyptian Russian University, Cairo 11829, Egypt
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PEO/PVP
Optical properties
Au NPs
TGA
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Snippet Casting technique was used for preparation of polyethylene oxide (PEO)/polyvinyl pyrrolidone (PVP) (70/30wt.%) films filled with different concentrations of...
Casting technique was used for preparation of polyethylene oxide (PEO)/polyvinyl pyrrolidone (PVP) (70/30 wt.%) films filled with different concentrations of...
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StartPage 419
SubjectTerms Au NPs
FT-IR
Optical properties
PEO/PVP
TGA
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Title Structural, optical, morphological and thermal properties of PEO/PVP blend containing different concentrations of biosynthesized Au nanoparticles
URI https://dx.doi.org/10.1016/j.jmrt.2017.06.009
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