ICCAS OpenIR
Zwitterionic Iridium Complexes: Synthesis, Luminescent Properties, and Their Application in Cell Imaging
Jiang, Weili1; Gao, Yuan2,3; Sun, Yun2,3; Ding, Fei1; Xu, Yan1; Bian, Zuqiang1; Li, Fuyou2,3; Bian, Jiang1; Huang, Chunhui1,2,3
2010-04-05
Source PublicationINORGANIC CHEMISTRY
ISSN0020-1669
Volume49Issue:7Pages:3252-3260
AbstractA series of phosphorescent zwitterionic iridium(III) complexes, with 4-carboxy-2, 2'-bipyridine-4'-carboxylate (Hdcbpy) as ancillary ligand, Ir(C boolean AND N)(2)(Hdcbpy) (C boolean AND N = 1-phenylpyrazole (ppz), 1-phenyl-pyridine (ppy), difluoro-phenyl)pyridine (dfppy), 1-phenyl-isoquinoline (piq), dibenzo[f,h]quinoxaline (dbq)), were prepared and characterized. Their photophysical properties were studied, and intense luminescence emissions were observed based on metal-to-ligand-charge-transfer ((3)MLCT), ligand-to-ligand charge-transfer ((3)LLCT), ligand-centered transitions ((3)LC, i.e., (3)pi ->pi*), or intraligand-charge-transfer ((3)ILCT) excited states, which were confirmed by theoretical calculations. The quantum yield of Ir(dfppy)(2)(Hdcbpy) is as high as 0.106 in aqueous solution. With Hdcbpy as a hydrophilic part, their amphiphilic structures as further confirmed by X-ray single crystal data endow them with different solubilities in phosphate buffer solution (PBS, pH 7.0). The compounds were successfully applied as luminescent dyes for cell imaging in aqueous solution. Their different stain ability in cell imaging was fairly well supported by the experimental data based on the measurement of oil/water partition coefficients and encapsulation/release with liposomes.
DOI10.1021/ic9021239
Indexed BySCI
Language英语
WOS IDWOS:000276073000026
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:103[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/69984
Collection中国科学院化学研究所
Corresponding AuthorBian, Zuqiang
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.Fudan Univ, Dept Chem, Shanghai 200433, Peoples R China
3.Fudan Univ, Adv Mat Lab, Shanghai 200433, Peoples R China
Recommended Citation
GB/T 7714
Jiang, Weili,Gao, Yuan,Sun, Yun,et al. Zwitterionic Iridium Complexes: Synthesis, Luminescent Properties, and Their Application in Cell Imaging[J]. INORGANIC CHEMISTRY,2010,49(7):3252-3260.
APA Jiang, Weili.,Gao, Yuan.,Sun, Yun.,Ding, Fei.,Xu, Yan.,...&Huang, Chunhui.(2010).Zwitterionic Iridium Complexes: Synthesis, Luminescent Properties, and Their Application in Cell Imaging.INORGANIC CHEMISTRY,49(7),3252-3260.
MLA Jiang, Weili,et al."Zwitterionic Iridium Complexes: Synthesis, Luminescent Properties, and Their Application in Cell Imaging".INORGANIC CHEMISTRY 49.7(2010):3252-3260.
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