The surface of an up-conversion luminescence material was modified by overcoating with SiO2, which was synthesized from ......

通过表面接枝改性法对上转换发光材料Na[Y0．5，Yb0．39Er0．04]F4进行表面修饰羧基的研究，并对影响因素如反应时间、缓冲溶液以及修饰剂的......