Cover Image

Enhanced luminescence from silver nanoparticles integrated Er3+-doped boro-tellurite glasses: impact of annealing temperature

Considerable enhancement of rare earth ions luminescence intensity stimulated via metal nanoparticles (NPs) inclusion inside inorganic glass matrix opened a new avenue to achieving efficient lasing glass media. Tuning the localised surface plasmon resonance (LSPR) band of noble metal NPs through the...

Full description

Saved in:
Bibliographic Details
Main Authors: Said Mahraz, Zahra Ashur, Sahar, Md. Rahim, Ghoshal, Sib Krishna
Format: Article
Published: Elsevier 2015
Subjects:
QC Physics
Online Access:http://eprints.utm.my/id/eprint/55015/
http://dx.doi.org/10.1016/j.jallcom.2015.07.232
Tags: Add Tag
No Tags, Be the first to tag this record!
id my.utm.55015
record_format eprints
spelling my.utm.550152017-07-31T08:59:37Z http://eprints.utm.my/id/eprint/55015/ Enhanced luminescence from silver nanoparticles integrated Er3+-doped boro-tellurite glasses: impact of annealing temperature Said Mahraz, Zahra Ashur Sahar, Md. Rahim Ghoshal, Sib Krishna QC Physics Considerable enhancement of rare earth ions luminescence intensity stimulated via metal nanoparticles (NPs) inclusion inside inorganic glass matrix opened a new avenue to achieving efficient lasing glass media. Tuning the localised surface plasmon resonance (LSPR) band of noble metal NPs through their precise size manipulation is demonstrated to be the key for such accomplishment. We report the influences of annealing (heat treatment) temperature (AT) on the down-conversion luminescence features of erbium (Er3+) doped zinc-boro-tellurite (ZBT) glasses containing silver NPs. The AT dependent (between 390 and 450 C) variations in refractive index and density are ascribed to the generation of non-bridging oxygen (NBO) ions. X-ray diffraction pattern confirmed the amorphous nature of the melt-quenched synthesized glass samples. TEM micrograph revealed the nucleation of Ag NPs inside the glass matrix having average diameter between 8.4 (un-annealed sample) to 11.8 nm (annealed). The UV-Vis spectra exhibited seven absorption bands corresponding to 4f-4f transitions of Er3+ ions. Annealed samples displayed a red shift of SPR bands positioned at 550 and 580 nm. Judd-Ofelt theory is used to evaluate the intensity parameters for radiative transitions within 4fn configuration of Er3+ ion. Annealing up to 410 C is found to stimulate the plasmonic effect through the enlargement of NPs. Consequently, the PL intensity is enhanced by a factor of 3.23 (2H11/2 ? 4I15/2), 4.10 (4S3/2 ? 4I15/2), and 3.79 (4F9/2 ? 4I15/2). This achieved excellent down-conversion luminescence efficiency of proposed glasses shows their potential implementation in photonic devices and solid state lasers. Elsevier 2015-08 Article PeerReviewed Said Mahraz, Zahra Ashur and Sahar, Md. Rahim and Ghoshal, Sib Krishna (2015) Enhanced luminescence from silver nanoparticles integrated Er3+-doped boro-tellurite glasses: impact of annealing temperature. Journal of Alloys and Compounds, 649 . pp. 1102-1109. ISSN 0925-8388 http://dx.doi.org/10.1016/j.jallcom.2015.07.232 DOI:10.1016/j.jallcom.2015.07.232
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic QC Physics
spellingShingle QC Physics
Said Mahraz, Zahra Ashur
Sahar, Md. Rahim
Ghoshal, Sib Krishna
Enhanced luminescence from silver nanoparticles integrated Er3+-doped boro-tellurite glasses: impact of annealing temperature
description Considerable enhancement of rare earth ions luminescence intensity stimulated via metal nanoparticles (NPs) inclusion inside inorganic glass matrix opened a new avenue to achieving efficient lasing glass media. Tuning the localised surface plasmon resonance (LSPR) band of noble metal NPs through their precise size manipulation is demonstrated to be the key for such accomplishment. We report the influences of annealing (heat treatment) temperature (AT) on the down-conversion luminescence features of erbium (Er3+) doped zinc-boro-tellurite (ZBT) glasses containing silver NPs. The AT dependent (between 390 and 450 C) variations in refractive index and density are ascribed to the generation of non-bridging oxygen (NBO) ions. X-ray diffraction pattern confirmed the amorphous nature of the melt-quenched synthesized glass samples. TEM micrograph revealed the nucleation of Ag NPs inside the glass matrix having average diameter between 8.4 (un-annealed sample) to 11.8 nm (annealed). The UV-Vis spectra exhibited seven absorption bands corresponding to 4f-4f transitions of Er3+ ions. Annealed samples displayed a red shift of SPR bands positioned at 550 and 580 nm. Judd-Ofelt theory is used to evaluate the intensity parameters for radiative transitions within 4fn configuration of Er3+ ion. Annealing up to 410 C is found to stimulate the plasmonic effect through the enlargement of NPs. Consequently, the PL intensity is enhanced by a factor of 3.23 (2H11/2 ? 4I15/2), 4.10 (4S3/2 ? 4I15/2), and 3.79 (4F9/2 ? 4I15/2). This achieved excellent down-conversion luminescence efficiency of proposed glasses shows their potential implementation in photonic devices and solid state lasers.
format Article
author Said Mahraz, Zahra Ashur
Sahar, Md. Rahim
Ghoshal, Sib Krishna
author_facet Said Mahraz, Zahra Ashur
Sahar, Md. Rahim
Ghoshal, Sib Krishna
author_sort Said Mahraz, Zahra Ashur
title Enhanced luminescence from silver nanoparticles integrated Er3+-doped boro-tellurite glasses: impact of annealing temperature
title_short Enhanced luminescence from silver nanoparticles integrated Er3+-doped boro-tellurite glasses: impact of annealing temperature
title_full Enhanced luminescence from silver nanoparticles integrated Er3+-doped boro-tellurite glasses: impact of annealing temperature
title_fullStr Enhanced luminescence from silver nanoparticles integrated Er3+-doped boro-tellurite glasses: impact of annealing temperature
title_full_unstemmed Enhanced luminescence from silver nanoparticles integrated Er3+-doped boro-tellurite glasses: impact of annealing temperature
title_sort enhanced luminescence from silver nanoparticles integrated er3+-doped boro-tellurite glasses: impact of annealing temperature
publisher Elsevier
publishDate 2015
url http://eprints.utm.my/id/eprint/55015/
http://dx.doi.org/10.1016/j.jallcom.2015.07.232
_version_ 1643653667161636864
score 13.211869

Similar Items