Thermal-field boosting continuous white light generation in lanthanide doped Y_(2)SiO_(5)phosphor  

作　　者：Qiongyao Han Jianhong Wu Yu Hou Bining Tian Xiaofeng Liu Chunli Guo Yue Tian 

机构地区：[1]Institute of New Carbon Materials,College of Materials Science and Engineering,Taiyuan University of Technology,Taiyuan,030024,China [2]College of Electronic Information and Optical Engineering,Taiyuan University of Technology,Taiyuan,030024,China [3]College of Materials Science and Engineering,Taiyuan University of Technology,Taiyuan,030024,China [4]School of Materials Science and Engineering,Zhejiang University,Hangzhou,310027,China

出　　处：《Journal of Rare Earths》2025年第4期669-675,I0001,共8页稀土学报(英文版)

基　　金：supported by the National Natural Science Foundation of China(12104336,U20A20211,62075152,12004274);Fundamental Research Program of Shanxi Province(20210302124162)。

摘　　要：The continuous white light(CWL)covering the visible and near-infrared(NIR)regions can be observed in various absorptive media excited by continuous-wave(CW)lasers.It is valuable to stimulate more efforts in unravelling the involved photophysical processes and exploring its potential applications in diverse fields.Here,we proved that the enhanced thermal-field can boost the CWL emission.Using rare earth(RE)ions(Pr^(3+),Er^(3+)and Yb^(3+))as the photothermally active centers in Y_(2)SiO_(5)phosphor,we reveal that absorbing more excitation energy and isolating the heat conduction can lead to rapid thermal field accumulation inside the material,thereby significantly reducing the excitation threshold and enhancing white light emission.Our results might have important implications for the understanding of thermally enhanced radiation and may facilitate the CWL commercial application in night vision,bioimaging,and non-destructive detection.

关 键 词：Continuous white light Rare earths UPCONVERSION Thermally enhanced radiation 

分 类 号：O482.31[理学—固体物理]