Sintesis nanozarah kuprum dalam larutan kitosan menggunakan kaedah sinaran gama

Translated title of the contribution: Synthesis of copper nanoparticles in chitosan aqueous system via gamma irradiation

Shahrul Izwan B Ahmad, Shahidan Radiman, Md Soot B Hj Ahmad

Research output: Contribution to journalArticle

Abstract

The effect of chitosan concentration on the copper (Cu) nanoparticles synthesized using gamma irradiation as the source of reducing agent in aqueous system is studied. The total absorbed dose used was 50 kGy while the addition of isopropanol is crucial as scavenger of oxidation radical and to increase the role of reducing agent produced from the radiolysis process. Optical properties of Cu nanoparticles synthesized were characterized using UV-visible spectroscopy. The pure crystal phase of Cu nanoparticles formed in chitosan matrix was proved using X-ray diffractometer (XRD). According to transmission electron microscope (TEM) images, all Cu nanoparticles produced are in spherical shape and their size are in the range of 6-10 nm except that for Cu nanoparticles synthesized in 0.3% w/v chitosan concentration which showed non-uniform shaped distribution. Fourier transform infrared (FTIR) analysis showed the presence of chitosan compound for sample of 0.1 and 0.3% w/v chitosan concentration. This study showed that the use of chitosan can protect Cu nanoparticles from oxidation of the environment. It is also found that, the size of nanoparticles increase based on concentration of chitosan used. Copyright Reserved

Original languageUndefined/Unknown
Pages (from-to)1751-1759
Number of pages9
JournalSains Malaysiana
Volume43
Issue number11
Publication statusPublished - 1 Nov 2014

Fingerprint

Chitosan
Copper
Irradiation
Nanoparticles
Reducing Agents
Oxidation
Radiolysis
2-Propanol
Diffractometers
Fourier transforms
Electron microscopes
Optical properties
Spectroscopy
Infrared radiation
X rays
Crystals

Keywords

  • Aqueous system
  • Chitosan
  • Copper nanoparticles
  • Gamma irradiation

ASJC Scopus subject areas

  • General

Cite this

Ahmad, S. I. B., Radiman, S., & Hj Ahmad, M. S. B. (2014). Sintesis nanozarah kuprum dalam larutan kitosan menggunakan kaedah sinaran gama. Sains Malaysiana, 43(11), 1751-1759.

Sintesis nanozarah kuprum dalam larutan kitosan menggunakan kaedah sinaran gama. / Ahmad, Shahrul Izwan B; Radiman, Shahidan; Hj Ahmad, Md Soot B.

In: Sains Malaysiana, Vol. 43, No. 11, 01.11.2014, p. 1751-1759.

Research output: Contribution to journalArticle

Ahmad, SIB, Radiman, S & Hj Ahmad, MSB 2014, 'Sintesis nanozarah kuprum dalam larutan kitosan menggunakan kaedah sinaran gama', Sains Malaysiana, vol. 43, no. 11, pp. 1751-1759.
Ahmad SIB, Radiman S, Hj Ahmad MSB. Sintesis nanozarah kuprum dalam larutan kitosan menggunakan kaedah sinaran gama. Sains Malaysiana. 2014 Nov 1;43(11):1751-1759.
Ahmad, Shahrul Izwan B ; Radiman, Shahidan ; Hj Ahmad, Md Soot B. / Sintesis nanozarah kuprum dalam larutan kitosan menggunakan kaedah sinaran gama. In: Sains Malaysiana. 2014 ; Vol. 43, No. 11. pp. 1751-1759.
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