Tunable luminescence and ratiometric temperature sensing by hierarchical self-assembly of lanthanide-organic cage  

作　　者：Xuan Deng Ran Li Li-Peng Zhou Xiao-Fang Duan Xiu-Yan Cheng Shao-Jun Hu Qing-Fu Sun 

机构地区：[1]State Key Laboratory of Structural Chemistry,Fujian Institute of Research on the Structure of Matter,Chinese Academy of Sciences,Fuzhou 350002,China [2]College of Chemistry,Fuzhou University,Fuzhou 350108,China

出　　处：《Nano Research》2025年第4期618-624,共7页纳米研究(英文版)

基　　金：granted by the National Natural Science Foundation of China(Nos.22171264 and 22301301);the Strategic Priority Research Program of the Chinese Academy of Sciences(No.XDB1170000);the Self-Deployment Project Research Program of Haixi Institutes,Chinese Academy of sciences(No.CXZX-2022-GH02).

摘　　要：Luminescent materials with tunable emission wavelengths/colors hold great potential for smart response devices,data security,sensors,and so on.However,development of stimuli-responsive luminescent materials with traditional organic or inorganic luminophores remains challenging due to their lack of tunability.Herein,we report the tunable luminescence and ratiometric temperature sensing applications with a europium-organic cage(Eu4L4)featuring concentration-dependent hierarchical self-assembly behavior.Notably,white light emission was achieved by adjusting the equilibrium ratio between the red-emissive cage monomer and cyan-emissive cage aggregate.Taking advantage of the dual emissive nature of the system,ratiometric luminescent temperature sensing has also been achieved,exhibiting a sensitivity of 2.04% and linear correlation coefficient of 0.997 from 250 to 320 K.

关 键 词：LUMINESCENCE temperature sensing SELF-ASSEMBLY lanthanide-organic cage 

分 类 号：O482.31[理学—固体物理] O62[理学—物理]