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liu1213银虫 (著名写手)
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标题：Synthesis and characteristics of a europium complex using pyridyl oxadiazole derivative as a secondary ligand 作者：Yu Liu, Bo Liang, Daili Xiao , Meixiang Zhua, Weiguo Zhua |
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liu1213(金币+2, 博学EPI+1): ★★★很有帮助 谢谢 2011-12-28 15:05:49
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检索号：UT WOS:000263801500065 详见： FN Thomson Reuters Web of Knowledge VR 1.0 PT J AU Liu, Y Liang, B Xiao, DL Zhu, MX Zhu, WG AF Liu, Yu Liang, Bo Xiao, Daili Zhu, Meixiang Zhu, Weiguo TI Synthesis and characteristics of a europium complex using pyridyl oxadiazole derivative as a secondary ligand SO JOURNAL OF ALLOYS AND COMPOUNDS LA English DT Article DE Europium complex; Oxadiazole; Photoluminescence; Electroluminescence ID RED ELECTROLUMINESCENCE; CONJUGATED POLYMERS; TERNARY COMPLEX; IRIDIUM COMPLEX; ENERGY-TRANSFER; DEVICES; PHOTOLUMINESCENCE; EFFICIENCY; EMISSION; EMITTER AB A novel europium complex using 2-(4-methoxy)phenyl-5-(2-pyridyl)-1,3,4-oxadiazole as a secondary ligand was synthesized and characterized. Its thermal stability and UV absorption and photoluminescence of this europium complex, as well as its electroluminescence in polymer light-emitting devices (PLEDs) were investigated. The results show that this europium complex displayed intense UV absorption band around 350 nm and sharp red emission peaked at 612 nm with a full width at half maximum of 9 nm in chloroform. The PLEDs with this europium complex doped into a blend of poly(N-vinylcarbazole) and 5-biphenyl-2-(4-tert-butylphenyl)-1,3,4-oxadiazole exhibited a light intensity of 12 cd/m(2) at 24 V with a characteristic red emission of europium ion at 613 rim. This implies that the europium complex using the pyridyl 1,3,4-oxadiazole derivative as a secondary ligand can exhibit intense sharp emission of europium ion under opto-excitation and electric-excitation. (C) 2008 Elsevier B.V. All rights reserved. C1 [Liu, Yu; Liang, Bo; Xiao, Daili; Zhu, Meixiang; Zhu, Weiguo] Xiangtan Univ, Coll Chem, Xiangtan 411105, Peoples R China. [Liu, Yu; Zhu, Weiguo] Minist Educ, Key Lab Environm Friendly Chem & Applicat, Xiangtan 411105, Peoples R China. RP Zhu, WG (reprint author), Xiangtan Univ, Coll Chem, Xiangtan 411105, Peoples R China EM zhuwg18@126.com FU National Natural Science Foundation of China[50473046, 20772101]; Hunan Provincial Science Foundation[2007FJ3017, 06JJ2008]; Science Foundation of the Education Department of Hunan Province[07C764] FX The authors would like to thank the National Natural Science Foundation of China (Nos. 50473046 and 20772101), Hunan Provincial Science Foundation (Nos. 2007FJ3017 and 06JJ2008) and the Science Foundation of the Education Department of Hunan Province (07C764) for their financial support. NR 18 TC 2 Z9 2 PU ELSEVIER SCIENCE SA PI LAUSANNE PA PO BOX 564, 1001 LAUSANNE, SWITZERLAND SN 0925-8388 J9 J ALLOY COMPD JI J. Alloy. Compd. PD FEB 5 PY 2009 VL 469 IS 1-2 BP 370 EP 373 DI 10.1016/j.jallcom.2008.01.135 PG 4 WC Chemistry, Physical; Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering SC Chemistry; Materials Science; Metallurgy & Metallurgical Engineering GA 413OD UT WOS:000263801500065 ER -------------------------------------------------------------------------------- EF |
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