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题名: Homoleptic tris-cyclometalated iridium(III) complexes with phenylimidazole ligands for highly efficient sky-blue OLEDs
作者: Zhuang, JY(庄锦勇); Li, WF(李宛飞); Wu, WC(吴伟晨); Song, MS(宋民顺); Su, WM(苏文明); Zhou, M(周明); Cui, Z(崔铮)
通讯作者: Su, WM (苏文明)
刊名: NEW JOURNAL OF CHEMISTRY
发表日期: 2015
DOI: 10.1039/c4nj01316f
卷: 39, 期:1, 页:8
收录类别: SCI
部门归属: 印刷电子学部
英文摘要: As an extension of our previous study, three sky-blue homoleptic iridium(III) complexes 1-3 with fluorine-free phenylimidazole ligands were synthesized and their photophysical, electrochemical and thermal properties were studied. All the complexes showed high photoluminescence quantum yields ranging from 0.50 to 0.53. The introduction of a bulky isopropyl group at the 2,6-position of N-phenyl of the phenylimidazole ligands increases the quantum yield and the decomposition temperature of the iridium(III) complexes. As the conjugated system of the ligand becomes larger, a very small bathochromic-shift of 1 nm was observed in complex 3 (475 nm) compared with complexes 1 (474 nm) and 2 (474 nm). All the OLED devices showed high current efficiencies of over 20 cd A(-1) at the luminance of 1000 cd m(-2). Devices incorporated with complexes 1-3 all showed longer lifetime in comparison with that of a Flrpic-based device.
语种: 英语
JCR小类分区: 三区
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内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/3502
Appears in Collections:印刷电子学部_崔铮团队_期刊论文

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Recommended Citation:
Zhuang, JY,Li, WF,Wu, WC,et al. Homoleptic tris-cyclometalated iridium(III) complexes with phenylimidazole ligands for highly efficient sky-blue OLEDs[J]. NEW JOURNAL OF CHEMISTRY,2015,39(1):8.
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