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Synthesis of mesoporous Sr₂MgSi₂O₇:Eu²⁺, Dy³⁺ energy storage carriers using cetyl trimethyl ammonium bromide as a template

X. Wei, J. Fan, X. Zhou, Y. Shen, X. Hu, G. Zuo

Hebei Provincial Key Laboratory of Inorganic Nonmetallic Materials, College of Materials Science and Engineering, North China University of Science and Technology, Tangshan, Hebei, 063009, P.R. China

received July 1, 2016, received in revised form August 12, 2016, accepted September 8, 2016

Vol. 7, No. 4, Pages 477-482   DOI: 10.4416/JCST2016-00046

Abstract

In this study mesoporous Sr₂MgSi₂O₇:Eu²⁺, Dy³⁺ energy storage carriers were successfully prepared using cetyl trimethylammonium bromide (CTAB) as a template. Mesoporous Sr₂MgSi₂O₇:Eu²⁺, Dy³⁺ can be obtained at a relatively low temperature of 950 °C with the addition of CTAB. The sample shows good porosity and energy storage performance. The pore diameter of the sample is distributed uniformly from 2 to 11 nm. The optical storage capability of the samples was investigated by studying the photoluminescence decay curves, which revealed that the afterglow time of the product could be improved by optimizing the amount of CTAB. Porous Sr₂MgSi₂O₇:Eu²⁺, Dy³⁺ can therefore serve as a promising energy-storage carrier.

Keywords

Keywords: Ceramics, Sr₂MgSi₂O₇:Eu²⁺, Dy³ , porous materials, energy storage, luminescence

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