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Citation: ZHOU Jun, LEI Xiaomin, WANG Xiao, LUO Wei, JIAO Huan. Improved Luminescence Properties of Cerium-doped Yttrium Aluminum Garnet Phosphor Through Post-processing[J]. Chinese Journal of Applied Chemistry, ;2014, 31(5): 577-580. doi: 10.3724/SP.J.1095.2014.30376 shu

Improved Luminescence Properties of Cerium-doped Yttrium Aluminum Garnet Phosphor Through Post-processing

1.
School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China

Corresponding author: WANG Xiao, JIAO Huan,
Received Date: 25 July 2013
Available Online: 5 November 2013

In this work,a series of post-processing experiments was conducted on cerium-doped yttrium aluminum garnet(YAG:Ce³⁺) yellow phosphor in order to improve their luminescent properties.Several kinds of alkali,e.g.,ammonia,N,N-dimethylacetamide(DMAC),triethanolamine and polyacrylamide,were selected as post-processing reagents.Effect of the type,the concentration of the post-processing reagent,and the soaking on the PL intensity of YAG:Ce³⁺ were investigated in details.The optimum condition is to soak the phosphor in a 30% ammonia solution for 50 min at 50℃.The PL intensity of the phosphor increased about 9.5%,and the agglomeration among particles decreased after post-process.
- cerium-doped yttrium aluminum garnet,
- phosphor,
- post-processing,
- luminescent intensity
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