白光LED因其寿命长、耗能低、体积小、对环境无害等优点而引起了广泛关注, 但由于其偏高的色温、较低的显色指数、较高的成本等局限了它的实际应用。红色荧光粉因对提高白光LED的显色指数、降低白光LED的色温具有突出作用而成为研究热点, 综述了白光LED用红色荧光粉的最新研究进展, 主要介绍了Eu3+、Sm3+激发的线状发射红色荧光粉, Eu2+、Ce3+激发的宽带发射红色荧光粉、Mn4+、Mn2+激发的红色荧光粉以及红色荧光粉的合成方法, 指出了红色荧光粉存在成本较高和种类较少, 以及合成大量红色荧光粉仍局限于高温固相反应法等问题, 解决这些问题是今后的主要研究方向。
所属栏目
综述国家自然科学基金资助项目(21401130)
收稿日期
2014/8/222015/6/16
作者单位
吴大辉:上海理工大学建筑与环境学院, 上海 200093
郭宁:上海理工大学理学院, 上海 200093
张丽娜:上海理工大学建筑与环境学院, 上海 200093
周仕林:上海理工大学理学院, 上海 200093
备注
吴大辉(1992-), 男, 福建福州人, 硕士研究生。
引用该论文:
WU Da-hui,GUO Ning,ZHANG Li-na,ZHOU Shi-lin.Recent Advances in Red Phosphors Used in White LED[J].Materials for mechancial engineering,2015,39(9):6～11
吴大辉,郭宁,张丽娜,周仕林.白光LED用红色荧光粉的最新研究进展[J].机械工程材料,2015,39(9):6～11
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