Kesan penambahan nanozarah argentum terhadap struktur dan sifat – Sifat dosimeter kaca radio – Pendarcahaya

Translated title of the contribution: Effect of silver nanoparticle addition on the structure and characteristics of radio-photoluminescence glass dosimeter

Irman Abdul Rahman, Muhammad Taqiyuddin Mawardi Ayob, Hur Munawar Kabir Mohd, Ainee Fatimah Ahmad, Shamellia Sharin, Faizal K.P. Kunchi Mohamed, Sidek Ab Aziz, Shahidan Radiman

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A series of silver-activated phosphate glass was prepared by melt quenching method. The effect of silver nanoparticle addition on the phosphate glass microstructure, composition and chemical characteristics was investigated using x-ray diffraction, fourier transform infrared and photoluminescence spectroscopy. Other physical property such as density was also evaluated. The density increased when the amount of silver ions were increased, due to the enhanced formation of non-bridging oxygen. In this study, we discuss the emission mechanism of two radio-photoluminescence peaks at 460 nm and 620 nm, where the electrons and holes produced by γ-irradiation a re-trapped by Ag+ ions to produce Ag0 and Ag2+ ions respectively, when the Ag+-doped phosphate glass is exposed to γ-ray. We proposed that an emission mechanism of 460 and 620 nm radio-photoluminescence peaks with these Ag2+and Ag0 ions. Furthermore, a correlation between the investigated properties and glass composition is discussed.

Original languageMalay
Pages (from-to)64-72
Number of pages9
JournalMalaysian Journal of Analytical Sciences
Volume20
Issue number1
Publication statusPublished - 2016

Fingerprint

Dosimeters
Silver
Photoluminescence
Ions
Nanoparticles
Glass
Phosphates
Photoluminescence spectroscopy
Chemical analysis
Quenching
Physical properties
Diffraction
Irradiation
Oxygen
X rays
Microstructure
Electrons

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Kesan penambahan nanozarah argentum terhadap struktur dan sifat – Sifat dosimeter kaca radio – Pendarcahaya. / Abdul Rahman, Irman; Ayob, Muhammad Taqiyuddin Mawardi; Mohd, Hur Munawar Kabir; Ahmad, Ainee Fatimah; Sharin, Shamellia; K.P. Kunchi Mohamed, Faizal; Aziz, Sidek Ab; Radiman, Shahidan.

In: Malaysian Journal of Analytical Sciences, Vol. 20, No. 1, 2016, p. 64-72.

Research output: Contribution to journalArticle

Abdul Rahman, Irman ; Ayob, Muhammad Taqiyuddin Mawardi ; Mohd, Hur Munawar Kabir ; Ahmad, Ainee Fatimah ; Sharin, Shamellia ; K.P. Kunchi Mohamed, Faizal ; Aziz, Sidek Ab ; Radiman, Shahidan. / Kesan penambahan nanozarah argentum terhadap struktur dan sifat – Sifat dosimeter kaca radio – Pendarcahaya. In: Malaysian Journal of Analytical Sciences. 2016 ; Vol. 20, No. 1. pp. 64-72.
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abstract = "A series of silver-activated phosphate glass was prepared by melt quenching method. The effect of silver nanoparticle addition on the phosphate glass microstructure, composition and chemical characteristics was investigated using x-ray diffraction, fourier transform infrared and photoluminescence spectroscopy. Other physical property such as density was also evaluated. The density increased when the amount of silver ions were increased, due to the enhanced formation of non-bridging oxygen. In this study, we discuss the emission mechanism of two radio-photoluminescence peaks at 460 nm and 620 nm, where the electrons and holes produced by γ-irradiation a re-trapped by Ag+ ions to produce Ag0 and Ag2+ ions respectively, when the Ag+-doped phosphate glass is exposed to γ-ray. We proposed that an emission mechanism of 460 and 620 nm radio-photoluminescence peaks with these Ag2+and Ag0 ions. Furthermore, a correlation between the investigated properties and glass composition is discussed.",
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AU - Abdul Rahman, Irman

AU - Ayob, Muhammad Taqiyuddin Mawardi

AU - Mohd, Hur Munawar Kabir

AU - Ahmad, Ainee Fatimah

AU - Sharin, Shamellia

AU - K.P. Kunchi Mohamed, Faizal

AU - Aziz, Sidek Ab

AU - Radiman, Shahidan

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AB - A series of silver-activated phosphate glass was prepared by melt quenching method. The effect of silver nanoparticle addition on the phosphate glass microstructure, composition and chemical characteristics was investigated using x-ray diffraction, fourier transform infrared and photoluminescence spectroscopy. Other physical property such as density was also evaluated. The density increased when the amount of silver ions were increased, due to the enhanced formation of non-bridging oxygen. In this study, we discuss the emission mechanism of two radio-photoluminescence peaks at 460 nm and 620 nm, where the electrons and holes produced by γ-irradiation a re-trapped by Ag+ ions to produce Ag0 and Ag2+ ions respectively, when the Ag+-doped phosphate glass is exposed to γ-ray. We proposed that an emission mechanism of 460 and 620 nm radio-photoluminescence peaks with these Ag2+and Ag0 ions. Furthermore, a correlation between the investigated properties and glass composition is discussed.

KW - Optical and physical properties

KW - Radio-photoluminescence glass dosimeter

KW - Silver nanoparticle

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