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Synthesis and photophysical properties of Ir-III-Ln(III) (Ln = Nd, Yb, Er) bimetallic complexes containing bipyrimidines as bridging ligands
Chen FangFang; Jiang WeiLi; Lou Bin; Bian ZuQiang; Huang ChunHui
2009-11-01
Source PublicationSCIENCE IN CHINA SERIES B-CHEMISTRY
ISSN1006-9291
Volume52Issue:11Pages:1808-1813
AbstractBipyrimidines have been chosen as ((NN)-N-boolean AND)((NN)-N-boolean AND) bridging ligands for connecting metal centers. Ir-III-Ln(III) (Ln = Nd, Yb, Er) bimetallic complexes [Ir(dfppy)(2)(mu-bpm)Ln(TTA)(3)]Cl were synthesized by using Ir(dfppy)(2)(bpm)CI as the ligand coordinating to lanthanide complexes Ln(TTA)(3).2H(2)O. The stability constants between Ir(dfppy)2(bpm)CI and lanthanide ions were measured by fluorescence titration. The obvious quenching of visible emission from Ir-III complex in the Ir-III-Ln(III) (Ln = Nd, Yb, Er) bimetallic complexes indicates that energy transfer occurred from Ir center to lanthanides. NIR emissions from Nd-III, Yb-II, and Er-III were obtained under the excitation of visible light by selective excitation of the Ir-III-based chromophore. It was proven that Ir(dfppy)(2)(bpm)CI as the ligand could effectively sensitize NIR emission from Nd-III, Yb-III, and Er-III.
KeywordBipyrimidine Ir-Iii-ln(Iii) Bimetallic Complexes Stability Constant Nir Emission Excitation Of Visible Light
DOI10.1007/s11426-009-0269-7
Indexed BySCI
Language英语
WOS IDWOS:000272032700010
PublisherSCIENCE PRESS
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/66090
Collection中国科学院化学研究所
Corresponding AuthorHuang ChunHui
AffiliationPeking Univ, Beijing Natl Lab Mol Sci, State Key Lab Rare Earth Mat Chem & Applicat, Coll Chem & Mol Engn, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Chen FangFang,Jiang WeiLi,Lou Bin,et al. Synthesis and photophysical properties of Ir-III-Ln(III) (Ln = Nd, Yb, Er) bimetallic complexes containing bipyrimidines as bridging ligands[J]. SCIENCE IN CHINA SERIES B-CHEMISTRY,2009,52(11):1808-1813.
APA Chen FangFang,Jiang WeiLi,Lou Bin,Bian ZuQiang,&Huang ChunHui.(2009).Synthesis and photophysical properties of Ir-III-Ln(III) (Ln = Nd, Yb, Er) bimetallic complexes containing bipyrimidines as bridging ligands.SCIENCE IN CHINA SERIES B-CHEMISTRY,52(11),1808-1813.
MLA Chen FangFang,et al."Synthesis and photophysical properties of Ir-III-Ln(III) (Ln = Nd, Yb, Er) bimetallic complexes containing bipyrimidines as bridging ligands".SCIENCE IN CHINA SERIES B-CHEMISTRY 52.11(2009):1808-1813.
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