Kumar, Deepak and Sharma, Manoj and Haranath, D. and Pandey, O. P. (2017) Facile route to produce spherical and highly luminescent Tb3+ doped Y2O3 nanophosphors. Journal of Alloys and Compounds, 695. 726-736. ISSN 0925-8388

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Abstract

Terbium doped yttrium oxide (Y2O3:Tb3+) nanophosphor has been synthesized via a facial yet modified co-precipitation method. To get maximum luminescence output from Y2O3:Tb3+ nanophosphors, surfactants namely, Cetyl trimethylammonium bromide (CTAB) and Trioctylphosphine oxide (TOPO) were added during synthesis. Further, it has been observed that combined addition of surfactant (CTAB + TOPO) at the time of synthesis has resulted in nearly spherical morphology of the nanophosphor. Furthermore, these optimized material are observed to have enhanced integrated photoluminescence (PL) intensity of similar to 23% as compared to the one synthesized without the addition of any surfactant. The results are further supported by detailed structural and optical studies. Optimum use of surfactants during synthesis shows for the first time that both nano-sized distribution and high crystallinity can be achieved simultaneously which has resulted in bright green emission in Tb3+ doped Y2O3 nanophosphors.

Item Type:	Article
Additional Information:	Copyright for this article belongs to M/s Elsevier.
Subjects:	Chemistry > Physical Chemistry Materials Science Metallurgy & Metallurgical Engineering
Divisions:	UNSPECIFIED
Depositing User:	Users 27 not found.
Date Deposited:	28 Sep 2018 08:18
Last Modified:	28 Sep 2018 08:18
URI:	http://npl.csircentral.net/id/eprint/2716

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