| Synthesis and optophysical properties of blue-emitting iridium （Ⅲ） complex bearing oxadiazole-based picolinic acid derivative |
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| 引用本文： | 文忠林,胡峥勇,刘煜,肖方亮,马小云,朱美香,朱卫国. Synthesis and optophysical properties of blue-emitting iridium （Ⅲ） complex bearing oxadiazole-based picolinic acid derivative[J]. 中南工业大学学报(英文版), 2009, 16(3): 380-384. DOI: 10.1007/s11771-009-0064-9 |
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| 作者姓名： | 文忠林 胡峥勇 刘煜 肖方亮 马小云 朱美香 朱卫国 |
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| 作者单位： | [1]College of Chemistry, Xiangtan University, Xiangtan 411105, China [2]Key Laboratory of Environment-Friendly Chemistry and Application, Ministry of Education, Xiangtan University, Xiangtan 411105, China |
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| 基金项目： | Projects（20772101, 50473046） supported by the National Natural Science Foundation of China; Project（2007FJ3017） supported by the Hunan Provincial Science Foundation, China; Project（07C764） supported by the Science Foundation of the Education Department of Hunan Province, China |
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| 关 键 词： | 羧酸衍生物 吡啶羧酸 蓝色发光 性能 合成 有机电致发光材料 紫外吸收光谱 铱 |
Synthesis and optophysical properties of blue-emitting iridium (III) complex bearing oxadiazole-based picolinic acid derivative |
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| Zhong-lin Wen, Zheng-yong Hu, Yu Liu, Fang-liang Xiao, Xiao-yun Ma, Mei-xiang Zhu and Wei-guo Zhu. Synthesis and optophysical properties of blue-emitting iridium (III) complex bearing oxadiazole-based picolinic acid derivative[J]. Journal of Central South University of Technology, 2009, 16(3): 380-384. DOI: 10.1007/s11771-009-0064-9 |
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| Authors: | Zhong-lin Wen Zheng-yong Hu Yu Liu Fang-liang Xiao Xiao-yun Ma Mei-xiang Zhu Wei-guo Zhu |
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| Affiliation: | (1) College of Chemistry, Xiangtan University, Xiangtan, 411105, China;(2) Key Laboratory of Environment-Friendly Chemistry and Application, Ministry of Education, Xiangtan University, Xiangtan, 411105, China |
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| Abstract: | An iridium (III) bis[(4,6-difluorophenyl)pyridinato-N, C2][6-(6′-(4″-(5‴-phenyl-1‴, 3‴, 4‴-oxadiazole- 2‴-yl) phenoxy) hexyloxy picolinate) was synthesized and characterized by 1H NMR and elementary analysis in order to study the effect of ancillary ligand of the oxadiazole-based picolinic acid derivative on optophysical properties of its iridium complex, and further to obtain an iridium complex with highly-efficient blue emission. The thermal stability, UV absorption and photoluminescent properties of this iridium complex were investigated. Compared with iridium (III) bis[(4,6-difluorophenyl)pyridinato-N, C2](picolinate) reported as a highly-efficient blue electroluminescent material, this iridium complex bearing an oxadiazole-based picolinic acid derivative presents higher thermal stability, more intense UV absorption at 291 nm and similar photoluminescent spectrum peaked at 469 nm. This indicates that tuning ancillary ligand of picolinic acid with an oxadiazole unit can improve the optophysical properties of its iridium complex. Foundation item: Projects(20772101, 50473046) supported by the National Natural Science Foundation of China; Project(2007FJ3017) supported by the Hunan Provincial Science Foundation, China; Project(07C764) supported by the Science Foundation of the Education Department of Hunan Province, China |
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| Keywords: | iridium complex 1, 3, 4-oxadiazole synthesis optophysical properties |
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