Optical enhancement of samarium erbium co-doped zinc tellurite glass without and with silver nanoparticles incorporation

This thesis reported the influence of pure silver (Ag) nanoparticles (NPs) on the improvement of optical properties of samarium (Sm3+) and erbium (Er3*) ion co-doped oxy-zinc-tellurite glass. To achieve this goal, a series of glass samples with composition 63.75 T e02 + 20 ZnO + 15 ZnCk + 0.75 Sm20...

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Main Author:	Mazlan, Siti Nur Nazhirah
Format:	Thesis
Language:	English
Published:	2017
Subjects:	QC Physics
Online Access:	http://eprints.utm.my/id/eprint/78600/1/SitiNurNazhirahMFS2017.pdf
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spelling	my-utm-ep.786002018-08-29T07:51:15Z Optical enhancement of samarium erbium co-doped zinc tellurite glass without and with silver nanoparticles incorporation 2017-02 Mazlan, Siti Nur Nazhirah QC Physics This thesis reported the influence of pure silver (Ag) nanoparticles (NPs) on the improvement of optical properties of samarium (Sm3+) and erbium (Er3) ion co-doped oxy-zinc-tellurite glass. To achieve this goal, a series of glass samples with composition 63.75 T e02 + 20 ZnO + 15 ZnCk + 0.75 Sm20 3 + 0.5 Er20 3 + y Ag (0.01 Qi > &6 trend. The highest value of estimated quality factor is 6848.44 for the glass system containing 0.05 g of Ag NPs. The radiative parameters including average electric dipole, branching ratio and radiative lifetime were also computed to support the evidence of Ag NPs impact on optical properties. The values of branching ratios for the Sm3+ ions transitions of 4F3/2 -> 6H5/2 , 4G5/2 -> 6H7/2 , 4G5/2 ->¦ 6Ho/2 , 4Gs/2 -? 6Hn/2, 4G5/2 -+ 6Hi3/2 and 4G5/2 — 4F 1/2 were found to vary from 0.19 to 99.98%. The luminescence spectra under 488 nm excitation manifested six significant peaks located at 524, 550, 597, 640, 669 and 705 nm which are assigned to the transition of 4F3/2—>6H5/2 , 4G5/2—> 6H7/2 ,4G5/2—>6H9/2 , 4G5/2 6Hi 1/2 , 4Gs/2 —> 6Hi3/2 and 4Gs/2 —> 4F i/2 respectively. The emission peak intensities revealed significant enhancement due to the embedded Ag NPs into the tellurite host. The results were analyzed, discussed and compared. 2017-02 Thesis http://eprints.utm.my/id/eprint/78600/ http://eprints.utm.my/id/eprint/78600/1/SitiNurNazhirahMFS2017.pdf application/pdf en public http://dms.library.utm.my:8080/vital/access/manager/Repository/vital:105166 masters Universiti Teknologi Malaysia, Faculty of Science Faculty of Science
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English
topic	QC Physics
spellingShingle	QC Physics Mazlan, Siti Nur Nazhirah Optical enhancement of samarium erbium co-doped zinc tellurite glass without and with silver nanoparticles incorporation
description	This thesis reported the influence of pure silver (Ag) nanoparticles (NPs) on the improvement of optical properties of samarium (Sm3+) and erbium (Er3) ion co-doped oxy-zinc-tellurite glass. To achieve this goal, a series of glass samples with composition 63.75 T e02 + 20 ZnO + 15 ZnCk + 0.75 Sm20 3 + 0.5 Er20 3 + y Ag (0.01 Qi > &6 trend. The highest value of estimated quality factor is 6848.44 for the glass system containing 0.05 g of Ag NPs. The radiative parameters including average electric dipole, branching ratio and radiative lifetime were also computed to support the evidence of Ag NPs impact on optical properties. The values of branching ratios for the Sm3+ ions transitions of 4F3/2 -> 6H5/2 , 4G5/2 -> 6H7/2 , 4G5/2 ->¦ 6Ho/2 , 4Gs/2 -? 6Hn/2, 4G5/2 -+ 6Hi3/2 and 4G5/2 — 4F 1/2 were found to vary from 0.19 to 99.98%. The luminescence spectra under 488 nm excitation manifested six significant peaks located at 524, 550, 597, 640, 669 and 705 nm which are assigned to the transition of 4F3/2—>6H5/2 , 4G5/2—> 6H7/2 ,4G5/2—>6H9/2 , 4G5/2 6Hi 1/2 , 4Gs/2 —> 6Hi3/2 and 4Gs/2 —> 4F i/2 respectively. The emission peak intensities revealed significant enhancement due to the embedded Ag NPs into the tellurite host. The results were analyzed, discussed and compared.
format	Thesis
qualification_level	Master's degree
author	Mazlan, Siti Nur Nazhirah
author_facet	Mazlan, Siti Nur Nazhirah
author_sort	Mazlan, Siti Nur Nazhirah
title	Optical enhancement of samarium erbium co-doped zinc tellurite glass without and with silver nanoparticles incorporation
title_short	Optical enhancement of samarium erbium co-doped zinc tellurite glass without and with silver nanoparticles incorporation
title_full	Optical enhancement of samarium erbium co-doped zinc tellurite glass without and with silver nanoparticles incorporation
title_fullStr	Optical enhancement of samarium erbium co-doped zinc tellurite glass without and with silver nanoparticles incorporation
title_full_unstemmed	Optical enhancement of samarium erbium co-doped zinc tellurite glass without and with silver nanoparticles incorporation
title_sort	optical enhancement of samarium erbium co-doped zinc tellurite glass without and with silver nanoparticles incorporation
granting_institution	Universiti Teknologi Malaysia, Faculty of Science
granting_department	Faculty of Science
publishDate	2017
url	http://eprints.utm.my/id/eprint/78600/1/SitiNurNazhirahMFS2017.pdf
_version_	1747818025300525056

Optical enhancement of samarium erbium co-doped zinc tellurite glass without and with silver nanoparticles incorporation

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