Статья

Energy transfer in Ce, Nd, and Yb co-doped YAG phosphors

Lulu Wang Lulu WangKey Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, ChinaChangtai Xia Changtai XiaKey Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, ChinaPeng XuShanghai Institute of#N#Optics and Fine Mechanics, Chinese Academy of SciencesJuqing DiKey Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, ChinaQinglin Sai Qinglin SaiUniversity of Chinese Academy of Sciences, Beijing 100049, ChinaFei MouKey Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

2013en

ABI

Аннотация

YAG-Ce, Nd, and Yb phosphors with a triple-doped system are prepared by conventional solid-state reaction method. The fluorescence emission and excitation spectra are measured and analyzed. The influences of Yb 3+ doping concentration on the emission of Yb 3+ and Nd 3+ in YAG-Ce, Nd, and Yb are studied. The fluorescence decay spectra, lifetime, and energy transfer efficiency of Ce 3+ in different host materials of YAG-Ce and Yb, and YAG-Ce, Nd, and Yb are also compared. Furthermore, the trends of fluorescence decay spectra and the lifetimes of Nd 3+ and Yb 3+ in YAG-Ce, Nd, and Yb with the increase of Yb 3+ concentration are discussed. Results indicate that YAG-Ce, Nd, and Yb are good candidates for downconverting phosphor, with energy transfer efficiency reaching as high as 82.8%.

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Идентификаторы

DOI: 10.3788/col201311.061604

Цитирования и источники

Цитирований: 3Использованных источников: 0

Показатели — AkademScholar