Tunable white-light emission of lanthanide(Ⅲ) hybrid material based on hectorite  

作　　者：Jiahui Ma Tianren Wang Caixia Liu Huanrong Li 

机构地区：[1]Hebei Provincial Key Lab of Green Chemical Technology and High Efficient Energy Saving, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China

出　　处：《Chinese Chemical Letters》2018年第2期321-324,共4页中国化学快报（英文版）

基　　金：the National Natural Science Foundation of China (Nos. 21171046, 21271060, and 21236001);the Tianjin Natural Science Foundation(No. 13JCYBJC18400);the Hebei Natural Science Foundation(No. B2016202147);Educational Committee of Hebei Province(Nos. 2011141,LJRC021)for financial support

摘　　要：In this work, we present novel trivalent lanthanide ions（Ln^3＋）-based luminescent hybrid materials, in which the organic ligands are covalently grafted on the hectorite templates and the Ln^3＋ ions can be well immobilized by the ligands through coordination bond. The hybrid materials exhibit tunable emission colors by varying the molar ratio of Eu^3＋ to Tb^3＋, and the one with Eu^3＋：Tb^3＋=1：1 exhibits excellent coordinate of（0.327, 0.328） located in the ＂white region＂ of the CIE 1931 chromaticity diagram（under300 nm UV illumination）. These properties make the hybrid composites suitable for fabricating optoelectronic devices such as full-color displays and white LED.In this work, we present novel trivalent lanthanide ions（Ln^3＋）-based luminescent hybrid materials, in which the organic ligands are covalently grafted on the hectorite templates and the Ln^3＋ ions can be well immobilized by the ligands through coordination bond. The hybrid materials exhibit tunable emission colors by varying the molar ratio of Eu^3＋ to Tb^3＋, and the one with Eu^3＋：Tb^3＋=1：1 exhibits excellent coordinate of（0.327, 0.328） located in the ＂white region＂ of the CIE 1931 chromaticity diagram（under300 nm UV illumination）. These properties make the hybrid composites suitable for fabricating optoelectronic devices such as full-color displays and white LED.

关 键 词：Hectorite Lanthanide Covalent bond Luminescence White light 

分 类 号：TQ422[化学工程]