Synthesis and near-infrared quantum cutting of Tb3+, Yb3+ codoped GdBa3B9O18 phosphors

Tiezheng Liu,Juan Cai,Yan Cui,Zhe Song,Ming He,Hongwei Zhao,Zhihua Zhang,Hualong Tao

Micro & Nano Letters（2018）

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摘要

Tb3+ and Yb3+ codoped GdBa3B9O18 phosphors were synthesised by high-temperature solid-state method. The intensity of visible emission decreases with the increasing of the Yb3+ concentration. While in the infrared range, the emission peaks at 980 and 1018 nm which originate from the 2F5/2→2F7/2 transition of Yb3+ are observed and the intensity increases with the increasing of Yb3+ concentration til...

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关键词

barium compounds,crystal growth from solid,doping profiles,fluorescence,gadolinium compounds,high-temperature effects,phosphors,terbium,ytterbium

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