Isolation, characterization and photophysical properties of a 2-(4,6-difluorophenyl)pyridyl Iridium(III) methoxide dimeric complex

Inorganic Chemistry Communications

Volumn 17, Issue , 2012, Pages 26-29

  Yuan, Xin ^a   Zhang, Songlin ^a   Ding, Yuqiang ^a  

^a JIANGNAN UNIVERSITY   (China)

Author keywords

2 (4,6 difluorophenyl)pyridine; Iridium alkoxide complex; Photoluminescence; X ray crystallographic structure

Indexed keywords

EID: 84862796131     PISSN: 13877003     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.inoche.2011.12.007     Document Type: Article

References (34)

1. H. Yersin Highly Efficient OLEDs with Phosphorescent Materials 2008 Wiley-VCH Weinheim, Germany
2. K. Müllen, and U. Scherf Organic Light Emitting Devices: Synthesis, Properties and Applications 2006 Wiley-VCH Weinheim, Germany
3. H. Klauk Organic Electronics: Materials, Manufacturing and Applications 2006 Wiley-VCH Weinheim, Germany
4. III complexes and their applications Adv. Mater. 22 2010 1534 1539
5. Y. Chi, and P. Chou Transition-metal phosphors with cyclometalating ligands: fundamentals and applications Chem. Soc. Rev. 39 2010 638 655
6. C. Ulbricht, B. Beyer, C. Friebe, A. Winter, and U.S. Schubert Recent developments in the application of phosphorescent iriudm(III) complex systems Adv. Mater. 21 2009 4418 4441
7. Y. You, and S.Y. Park Phosphorescent iridium(III) complexes: toward high phosphorescence quantum efficiency through ligand control Dalton Trans. 2009 1267 1282
8. S. Kappaun, C. Slugovc, and E.J.W. List Phosphorescent organic light-emitting devices: working principle and iridium based emitter materials Int. J. Mol. Sci. 9 2008 1527 1547
9. 3 Inorg. Chem. 49 2010 9290 9299
10. A. Endo, and C. Adachi Photoluminescence characteristics of tris(2-phenylquinoline)iridium(III) dispersed in an iridium complex host layer Chem. Phys. Lett. 483 2009 224 226
11. A.B. Tamayo, B.D. Alleyne, P.I. Djurovich, S. Lamansky, I. Tsyba, N.N. Ho, R. Bau, and M.E. Thompson Synthesis and characterization of facial and meridional tris-cyclometalated iridium(III) complexes J. Am. Chem. Soc. 125 2003 7377 7387 (Pubitemid 36798984)
12. A. Tsuboyama, H. Iwawaki, M. Furugori, T. Mukaide, J. Kamatani, S. Igawa, T. Moriyama, S. Miura, T. Takiguchi, S. Okada, M. Hoshino, and K. Ueno Homoleptic cyclometalated iridium complexes with highly efficient red phosphorescence and application to organic light-emitting diode J. Am. Chem. Soc. 125 2003 12971 12979 (Pubitemid 37280465)
13. 3-xIridium(III) (x = 1-3) Inorg. Chem. 49 2010 9151 9161
14. A.R. McDonald, M. Lutz, L.S. Chrzanowski, G.P.M. Klink, A.L. Spek, and G. van Koten Probing the mer- to fac-isomerizatin of tris-cyclometalated homo- and heteroleptic (C, N)3 iridium(III) complexes Inorg. Chem. 47 2008 6681 6691
15. T. Karatsu, E. Ito, S. Yagai, and A. Kitamura Radiative and nonradiative processes of meridional and facial isomers of heteroleptic iridium-trishelete complexes Chem. Phys. Lett. 424 2006 353 357 (Pubitemid 43850454)
16. Q. Zhao, C. Jiang, M. Shi, F. Li, T. Yi, Y. Cao, and C. Huang Synthesis and photophysical, electrochemical, and electrophosphorescent properties of a series of iridium(III) complexes based on quinoline derivatives and different beta-diketonate ligands Organometallics 25 2006 3631 3638 (Pubitemid 44115995)
17. K.R.J. Thomas, M. Velusamy, J.T. Lin, C. Chien, Y. Tao, Y.S. Wen, Y. Hu, and P. Chou Efficient red-emitting cyclometalated iridium(III) complexes containing lepidine-based ligands Inorg. Chem. 44 2005 5677 5685 (Pubitemid 41169331)
18. Y. Su, H. Huang, C. Li, C. Chien, Y. Tao, P. Chou, S. Datta, and R. Liu Highly efficient red electrophosphorescent devices based on iridium isoquinoline complexes: remarkable external quantum efficiency over a wide range of current Adv. Mater. 15 2003 884 888
19. S. Lamansky, P. Djurovich, D. Murphy, F. Abdel-Razzaq, H. Lee, C. Adachi, P.E. Burrows, S.R. Forrest, and M.E. Thompson Highly phosphorescent bis-cyclometalated iridium complexes: synthesis, photophysical characterization, and use in organic light emitting diodes J. Am. Chem. Soc. 123 2001 4304 4312 (Pubitemid 32899451)
20. J. Li, P.I. Djurovich, B.D. Alleyne, I. Tsyba, N.N. Ho, R. Bau, and M.E. Thompson Synthesis and characterization of cyclometalated Ir(III) complexes with pyrazolyl ancillary ligands Polyhedron 23 2004 419 428
21. T. Tsuzuki, N. Shirasawa, T. Suzuki, and S.Z. Tokito Color tunable organic light-emitting diodes using pentafluorophenyl-substituted iridium complexes Adv. Mater. 15 2003 1455 1458
22. V.V. Grushin, N. Herron, D.D. LeCloux, W.J. Marshall, V.A. Petrov, and Y. Wang New, efficient electroluminescent materials based on organometallic Ir complexes Chem. Commun. 2001 1494 1495 (Pubitemid 32747816)
23. L. Famigni, A. Barbieri, C. Sabtini, B. Ventura, and F. Barigelletti Photochemistry and photophysics of coordination compounds: iridium Top. Curr. Chem. 281 2007 143 203
24. W. Yang, H. Fu, Q. Song, M. Zhang, and Y. Ding Amidate iridium(III) bis(2-pyridyl)phenyl complexes: application examples of amidate ancillary ligands in iridium(III)-cyclometalated complexes Organometallics 30 2011 77 83
25. 2Ir(N-phMA)) Synth. Met. 158 2008 1022 1027
26. S.L. Zhang, F. Wu, W. Yang, and Y. Ding Synthesis, characterization and photophysical properties of two heteroleptic 2-(4,6-difluorophenylpyridyl) iridium(III) complexes with amidate ancillary ligands Inorg. Chem. Commun. 14 2011 1414 1417
27. M. Nonoyama Benzo[h]quinolin-10-yl-N iridium(III) complexes Bull. Chem. Soc. Jpn. 47 1974 767 768
28. R.D. Costa, G. Fernandez, L. Sanchez, N. Martin, E. Orti, and H.J. Bolink Dumbbell-shaped dinuclear iridium complexes and their application to light-emitting electrochemical cells Chem. Eur. J. 16 2010 9855 9863
29. C. Adachi, R.C. Kwong, P.I. Djurovich, V. Adamovich, M.A. Baldo, M.E. Thompson, and S.R. Forrest Endothermic energy transfer: a mechanism for generating very efficient high-energy phosphorescent emission in organic materials Appl. Phys. Lett. 79 2001 2082 2084 (Pubitemid 33666296)
30. 2(pic) (Firpic): investigations by high-resolution optical spectroscopy Inorg. Chem. 48 2009 1928 1937
31. Y. You, and S.Y. Park Inter-ligand energy transfer and related emission change in the cyclometalated heteroleptic iridium complex: facile and efficient color tuning over the whole visible range by the ancillary ligand structure J. Am. Chem. Soc. 127 2005 12438 12439 (Pubitemid 41292132)
32. C.H. Yang, Y.M. Cheng, Y. Chi, C.J. Hsu, F.C. Fang, K.T. Wong, P.T. Chou, C.H. Chang, M.H. Tsai, and C.C. Wu Blue-emitting heteroleptic iridium(III) complexes suitable for high-efficiency phosphorescent OLEDs Angew. Chem. Int. Ed. 46 2007 2418 2421 (Pubitemid 46973581)
33. O. Blum, and D. Milstein Mechanism of a directly observed β-hydride elimination process of iridium alkoxo complexes J. Am. Chem. Soc. 117 1995 4582 4594
34. J.C.M. Ritter, and R.G. Bergman A useful method for preparing iridium alkoxides and a study of their catalytic decomposition by iridium cations: a new mode of beta-hydride elimination for coordinatively saturated metal alkoxides J. Am. Chem. Soc. 120 1998 6826 6827 (Pubitemid 28347346)