Synthesis and characterization of Gd2O2S:Pr3+ nanophosphors using gamma irradiation method

Muhammad Hassyakirin Hasim, Irman Abdul Rahman, Sapizah Rahim, Muhammad Taqiyuddin Mawardi Ayob, Liyana Mohd Ali Napia, Shahidan Radiman

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Praseodymium ion, Pr3+ doped Gd2O2S nanophosphors were successfully synthesized via gamma irradiation route along with the heat treatment. The effect of the gamma irradiation (0-150 kGy) on the structural, morphology and photoluminescence properties of Gd2O2S:Pr3+ were characterized via X-ray diffraction (XRD), field emission scanning electron microscope (FESEM) and photoluminescence spectroscopy (PL). The thermal properties of precursor sample were tested by the thermogravimetric analysis (TGA) and differential thermal analysis (DTA). The chemical bonding of the precursor samples were analyzed by Fourier transform infrared spectroscopy (FT-IR). The XRD result confirmed the formation of hexagonal phase of Gd2O2S:Pr3+ without the presence of any impurities. The FESEM inspection showed the non-symmetrical shape of particles transformed into grain-like shape. The optimum photoluminescence (PL) emission intensities of Gd2-xO2S:xPr3+ occur at 50 kGy dose of gamma irradiation and 2 mol% concentration dopant of Pr3+ ions. The spectra under 325 nm UV excitation shows a strong green emission at 515 nm, which match the 3P03H4 transition of Pr3+ ions. The Gd2O2S:Pr3+ nanophosphors possessed many useful approaches in various applications mainly as radiation detection and biomedical diagnostic.

Original languageEnglish
Pages (from-to)1861-1866
Number of pages6
JournalSains Malaysiana
Volume47
Issue number8
DOIs
Publication statusPublished - 1 Aug 2018

Fingerprint

photoluminescence
irradiation
field emission
synthesis
electron microscopes
ions
scanning
praseodymium
diffraction
inspection
thermal analysis
heat treatment
x rays
thermodynamic properties
infrared spectroscopy
routes
impurities
dosage
radiation
spectroscopy

Keywords

  • Gadolinium oxysulfide
  • Gamma irradiation
  • Praseodymium doped

ASJC Scopus subject areas

  • General

Cite this

Synthesis and characterization of Gd2O2S:Pr3+ nanophosphors using gamma irradiation method. / Hasim, Muhammad Hassyakirin; Abdul Rahman, Irman; Rahim, Sapizah; Ayob, Muhammad Taqiyuddin Mawardi; Napia, Liyana Mohd Ali; Radiman, Shahidan.

In: Sains Malaysiana, Vol. 47, No. 8, 01.08.2018, p. 1861-1866.

Research output: Contribution to journalArticle

Hasim, Muhammad Hassyakirin ; Abdul Rahman, Irman ; Rahim, Sapizah ; Ayob, Muhammad Taqiyuddin Mawardi ; Napia, Liyana Mohd Ali ; Radiman, Shahidan. / Synthesis and characterization of Gd2O2S:Pr3+ nanophosphors using gamma irradiation method. In: Sains Malaysiana. 2018 ; Vol. 47, No. 8. pp. 1861-1866.
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abstract = "Praseodymium ion, Pr3+ doped Gd2O2S nanophosphors were successfully synthesized via gamma irradiation route along with the heat treatment. The effect of the gamma irradiation (0-150 kGy) on the structural, morphology and photoluminescence properties of Gd2O2S:Pr3+ were characterized via X-ray diffraction (XRD), field emission scanning electron microscope (FESEM) and photoluminescence spectroscopy (PL). The thermal properties of precursor sample were tested by the thermogravimetric analysis (TGA) and differential thermal analysis (DTA). The chemical bonding of the precursor samples were analyzed by Fourier transform infrared spectroscopy (FT-IR). The XRD result confirmed the formation of hexagonal phase of Gd2O2S:Pr3+ without the presence of any impurities. The FESEM inspection showed the non-symmetrical shape of particles transformed into grain-like shape. The optimum photoluminescence (PL) emission intensities of Gd2-xO2S:xPr3+ occur at 50 kGy dose of gamma irradiation and 2 mol{\%} concentration dopant of Pr3+ ions. The spectra under 325 nm UV excitation shows a strong green emission at 515 nm, which match the 3P0 → 3H4 transition of Pr3+ ions. The Gd2O2S:Pr3+ nanophosphors possessed many useful approaches in various applications mainly as radiation detection and biomedical diagnostic.",
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