长余辉发光材料是一种在外在激发源(紫外线-可见光,X射线,β射线等)停止后仍能在相当时间内(几秒到十几个小时)维持肉眼可见的荧光余辉的材料,在应急照明、警示标识等方面开始得到广泛的应用.然而,长余辉材料的力致发光现象却是近几年来在国际上得到相关领域研究人员重视的一个研究方向,在力学传感器、材料应力分析、建筑物安全、地震及火山爆发预测等方面具有重要的应用前景.本文简单介绍了长余辉发光材料的力致发光现象及其发光机制、研究现状和应用等方面研究进展,供有关研究人员参考.
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