Photoluminescence and Electroluminescence Properties of Samarium Complex Sm(DBM)3phen

Chem. J. Chinese Universities

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Photoluminescence and Electroluminescence Properties of Samarium Complex Sm(DBM)₃phen

DENG Rui-Ping^1,2, YU Jiang-Bo¹, ZHANG Hong-Jie¹*, LI Zhe-Feng^1,2, ZHOU Liang^1,2, PENG Ze-Ping^1,2, GUO Zhi-Yong^1,2

1. Key Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China;
2. Graduate School of the Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100049, China

Received:2006-12-25 Revised:1900-01-01 Online:2007-08-10 Published:2007-08-10
Contact: ZHANG Hong-Jie

Abstract

Abstract: Photoluminescence(PL) and electroluminescence(EL) properties of a samarium complex Sm(DBM)phen(DBM=dibenzoylmethane, phen=1,10-phenanthroline) were investigated. A series of devices based on Sm(DBM)phen were fabricated. The results show that Sm(DBM)phen owns good electron injecting and transporting properties. By optimizing the device structure, bright efficient orange EL devices could be achieved, and the maximum brightness and efficiency were 150 cd/m² and 0.72 cd/A, respectively. The device showed the characteristic emission peaks of the Sm³⁺ ion at all operating voltages. It was noticed that the relative intensity of Sm³⁺ emission peaks differed from each other in PL and EL cases, which could be ascribed to the change of coordination sites of the Sm³⁺ ion during the evaporation of the samarium complex in the EL case.

Key words: Samarium complex, Photoluminescence, Electroluminescence

CLC Number:

O614.33+7

TrendMD:

DENG Rui-Ping^1,2, YU Jiang-Bo¹, ZHANG Hong-Jie¹*, LI Zhe-Feng^1,2, ZHOU Liang^1,2, PENG Ze-Ping^1,2, GUO Zhi-Yong^1,2. Photoluminescence and Electroluminescence Properties of Samarium Complex Sm(DBM)₃phen[J]. Chem. J. Chinese Universities, doi: .

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Photoluminescence and Electroluminescence Properties of Samarium Complex Sm(DBM)₃phen

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