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Tuning the Emission Colour of Triphenylamine-Capped Cyclometallated Platinum(II) Complexes and Their Application in Luminescent Oxygen Sensing and Organic Light-Emitting Diodes
Wu, Wenting1; Cheng, Chuanhui2; Wu, Wanhua1; Guo, Huimin1; Ji, Shaomin1; Song, Peng3; Han, Keli3; Zhao, Jianzhang1; Zhang, Xin1; Wu, Yubo1; Du, Guotong2,4
KeywordPhosphorescence Luminescence Sensors Density Functional Calculations Oleds Platinum
Source PublicationEUROPEAN JOURNAL OF INORGANIC CHEMISTRY
2010-10-01
DOI10.1002/ejic.201000327
Issue29Pages:4683-4696
Indexed BySCI ; IC
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Inorganic & Nuclear
WOS Research AreaChemistry
WOS KeywordPHOTOPHYSICAL PROPERTIES ; ACETYLIDE COMPLEXES ; MESOPOROUS SILICA ; METAL-COMPLEXES ; CHARGE-TRANSFER ; TRIPLET-STATE ; SENSOR ; FLUORESCENCE ; IRIDIUM ; PT(II)
Abstract[(Aryl-ppy)Pt(acac)] (ppy = 2-phenylpyridine, acac = acetylacetonato) derivatives with triphenylamine (TPA) substituents on the ppy ligand have been prepared. The TPA fragment is either directly cyclometallated (Pt-1) or attached to the ppy ligand through a C-C single bond (Pt-2) or a novel alpha-diketo group (Pt-3). All the complexes show room-temperature phosphorescence in fluid solution with emission bands in the range of 530-590 nm, which are red-shifted relative to the model complex [ppyPt(acac)] (lambda(em) = 486 nm). This emission colour tuning effect is attributed to either an elevated HOMO energy caused by electron-donating TPA substituents on the ppy ligand or a decreased LUMO energy caused by the electron-trap effect of electron-withdrawing substituents; both result in a smaller HOMO-LUMO energy gap and thus red-shifted emission. The complexes show extended luminescence lifetimes (tau = 3.0-5.5 mu s) relative to the parent complex [ppyPt(acac)] (tau = 2.6 mu s). The luminescent oxygen-sensing properties of the complexes were studied in solution and polymer films. White light emission was observed with an OLED device fabricated with complex Pt-3 with CIE coordinates of (0.32, 0.32).
Language英语
WOS IDWOS:000283836300015
Citation statistics
Cited Times:43[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/141966
Collection中国科学院大连化学物理研究所
Affiliation1.Dalian Univ Technol, State Key Lab Fine Chem, Sch Chem Engn, Dalian 116012, Peoples R China
2.Dalian Univ Technol, Sch Phys & Optoelect Technol, Dalian 116024, Peoples R China
3.Chinese Acad Sci, State Key Lab Mol React Dynam, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
4.Jilin Univ, State Key Lab Integrated Optoelect, Coll Elect Sci & Engn, Changchun 130012, Peoples R China
Recommended Citation
GB/T 7714
Wu, Wenting,Cheng, Chuanhui,Wu, Wanhua,et al. Tuning the Emission Colour of Triphenylamine-Capped Cyclometallated Platinum(II) Complexes and Their Application in Luminescent Oxygen Sensing and Organic Light-Emitting Diodes[J]. EUROPEAN JOURNAL OF INORGANIC CHEMISTRY,2010(29):4683-4696.
APA Wu, Wenting.,Cheng, Chuanhui.,Wu, Wanhua.,Guo, Huimin.,Ji, Shaomin.,...&Du, Guotong.(2010).Tuning the Emission Colour of Triphenylamine-Capped Cyclometallated Platinum(II) Complexes and Their Application in Luminescent Oxygen Sensing and Organic Light-Emitting Diodes.EUROPEAN JOURNAL OF INORGANIC CHEMISTRY(29),4683-4696.
MLA Wu, Wenting,et al."Tuning the Emission Colour of Triphenylamine-Capped Cyclometallated Platinum(II) Complexes and Their Application in Luminescent Oxygen Sensing and Organic Light-Emitting Diodes".EUROPEAN JOURNAL OF INORGANIC CHEMISTRY .29(2010):4683-4696.
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