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The study of luminescence of rare-earth organic complexes sensitized Eu3+ complex in PMMA matrix using combinatorial method

Published online by Cambridge University Press:  01 February 2011

Jianjun Ding ,
Hongfang Jiu ,
Jun Bao ,
Jiecheng Lu ,
Wanru Gui ,
Qijing Zhang  and
Chen Gao
Jianjun Ding
Affiliation:
Structure Research Lab., University of Science & Technology of China, Hefei, Anhui, 230026, China
Hongfang Jiu
Affiliation:
Structure Research Lab., University of Science & Technology of China, Hefei, Anhui, 230026, China
Jun Bao
Affiliation:
National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230029, P. R. China
Jiecheng Lu
Affiliation:
Department of Electronic Science and Technology, University of Science and Technology of China, Hefei, 230026, P. R. China
Wanru Gui
Affiliation:
Department of Electronic Science and Technology, University of Science and Technology of China, Hefei, 230026, P. R. China
Qijing Zhang
Affiliation:
Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, 230026, P. R. China
Chen Gao
Affiliation:
National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei, 230029, P. R. China
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Abstract

A combinatorial approach has been utilized for researching the luminescence of rare-earth ions complexes (RE(DBM)3·Phen, RE=Dy3+, La3+, Gd3+, Sm3+, Y3+) sensitized Eu3+ complex in PMMA matrix. The results show that the La3+ complex has the maximum sensitization efficiency among these sensitization ions. The luminescent intensities increase as the Eu content increase in PMMA matrix. The La3+ complex exhibits higher sensitization efficiency at lower Eu content in PMMA matrix. At a content of 5% Eu complex, the maximum sensitization efficiency of La3+ is more than 20 times.

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