Microwave assisted preparation of Eu2+-doped Akermanite Ca2MgSi2O7
Microwave assisted preparation of Eu2+-doped Akermanite Ca2MgSi2O7
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DOI：
10.1016/j.solidstatesciences.2012.03.014
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发表时间：
2012-06-01
影响因子：
3.5
通讯作者：
Seshadri, Ram
中科院分区：
文献类型：
--
作者：
Birkel, Alexander;Darago, Lucy E.;Seshadri, Ram
研究了一种快速、高效的微波辅助制备掺铕阿克尔曼石（Ca2MgSi2O7）的方法。与在传统炉中进行的制备相比，该方法减少了90%以上的反应时间和所需的能量。通过同步加速器x射线粉末衍射数据和里特费尔德分析，得到的样品是纯相的。用扫描电子显微镜观察微波制备化合物的形貌，并用能量色散x射线光谱（EDX）验证样品的元素组成。对所采用的微波装置的影响进行了系统的研究。最后，对微波制备的材料进行了温度相关的光致发光测量，以研究发光的热猝灭。(C) 2012 Elsevier Masson SAS。版权所有。
A rapid and energy efficient microwave assisted solid state preparative route for europium-doped Akermanite (Ca2MgSi2O7) has been developed. This method reduces the reaction time and energy needed by more than 90%, compared to the preparation carried out in a conventional furnace. The obtained samples are phase pure as has been determined using synchrotron X-ray powder diffraction data and Rietveld analyses. Scanning electron microscopy was employed to investigate the morphology of the microwave prepared compounds whilst energy dispersive X-ray spectroscopy (EDX) was used to verify the elemental composition of the specimens. A systematic investigation of the influence of the utilized microwave setup is presented. Finally, the microwave prepared materials were subject to temperature dependent photoluminescence measurements in order to investigate the thermal quenching of the luminescence. (C) 2012 Elsevier Masson SAS. All rights reserved.