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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

Journal of Ceramic Science and Technology, Vol. 7, No. 4 (2016), pp. 477-482

DOI: 10.4416/JCST2016-00046

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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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