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Synthesis and Photoluminescence of Iridium(III) Diazine Complex Modified with a Carbazyl Group
Yu Xiao-Hang1,2; Ge Guo-Ping1,3; Zhang Guo-Lin2; Guo Hai-Qing1
2010-04-01
Source PublicationACTA PHYSICO-CHIMICA SINICA
ISSN1000-6818
Volume26Issue:4Pages:1184-1190
AbstractWe designed and synthesized a new pyrazine derivative containing the carbazyl moiety, 2,3-di(4-(9-carbazylmethyl)phenyl)-5-methylpyrazine(CzMPMP) and investigated its reaction with indium(III) ion to form the indium complex Ir(CzMPMP)(2)(acac) (acac: acetyl acetone) The complex was characterized by nuclear magnetic resonance (NMR) spectroscopy, mass spectrometry (MS) and elemental analysis (EA) and its photophysical properties were investigated by UV-Vis spectroscopy as well as solution and solid state photoluminescence (PL) techniques. By comparing Ir(CzMPMP)(2)(acac) with Ir(DPMP),(acac) (DPMP. 2,3-diphenyl-5-methylpyrazine), we find that the carbazyl group greatly influences the photophysical properties of the complexes Firstly, Ir(DPMP)(2)(acac) has a strong and broad excimer peak in its solid state PL spectrum, while Ir(CzMPMP)2(acac) has no such peak under the same conditions Furthermore, the PL intensity of Ir(CzMPMP)(2)(acac) in solution increased significantly compared with Ir(DPMP)(2) (acac) These results suggest that steric hindrance from the carbazyl groups may play an important role in preventing excimer formation and thus resulting in the increased PL intensity
KeywordCarbazole Pyrazine Iridium(Iii) Complex Organic Light-emitting Device Phosphorescence
DOI10.3866/PKU.WHXB20100442
Indexed BySCI
Language英语
WOS IDWOS:000276958400051
PublisherPEKING UNIV PRESS
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/69218
Collection中国科学院化学研究所
Corresponding AuthorGuo Hai-Qing
Affiliation1.Peking Univ, Coll Chem & Mol Engn, State Key Lab Rare Earth Mat Chem & Applicat, Beijing Natl Lab Mol Sci, Beijing 100871, Peoples R China
2.Liaoning Univ, Coll Chem, Shenyang 110036, Peoples R China
3.Ningbo Univ, Fac Mat Sci & Chem Engn, State Key Lab Base Novel Funct Mat & Preparat Sci, Ningbo 315211, Zhejiang, Peoples R China
Recommended Citation
GB/T 7714
Yu Xiao-Hang,Ge Guo-Ping,Zhang Guo-Lin,et al. Synthesis and Photoluminescence of Iridium(III) Diazine Complex Modified with a Carbazyl Group[J]. ACTA PHYSICO-CHIMICA SINICA,2010,26(4):1184-1190.
APA Yu Xiao-Hang,Ge Guo-Ping,Zhang Guo-Lin,&Guo Hai-Qing.(2010).Synthesis and Photoluminescence of Iridium(III) Diazine Complex Modified with a Carbazyl Group.ACTA PHYSICO-CHIMICA SINICA,26(4),1184-1190.
MLA Yu Xiao-Hang,et al."Synthesis and Photoluminescence of Iridium(III) Diazine Complex Modified with a Carbazyl Group".ACTA PHYSICO-CHIMICA SINICA 26.4(2010):1184-1190.
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