Facilitating triplet energy-transfer in polymetallayne-based phosphorescent polymers with iridium(III) units and the great potential in achieving high electroluminescent performances》.pdf

Journal of Organometallic Chemistry 794 (2015) 1 e10 Contents lists available at ScienceDirect Journal of Organometallic Chemistry journal homepage: /l ocate/jorganchem Facilitating triplet energy-transfer in polymetallayne-based phosphorescent polymers with iridium(III) units and the great potential in achieving high electroluminescent performances Zuan Huang a, Boao Liu a, Yue He a, Xiaogang Yan a, Xiaolong Yang a, Xianbin Xu a, Guijiang Zhou a, *, Yixia Ren a, **, Zhaoxin Wu b, *** a MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, State Key Laboratory for Mechanical Behavior of Materials, Institute of Chemistry for New Energy Material, Department of Chemistry, Faculty of Science, Xian Jiaotong University, Xian 710049, PR China b Key Laboratory of Photonics Technology for Information, School of Electronic and Information Engineering, Xian Jiaotong University, Xian 710049, PR China a r t i c l e i n f o a b s t r a c t Article history: A series orange phosphorescent copolymers with platinum(II) polymetallayne-based backbone have Received 3 May 2015 been successfully prepared through Sonogashira cross-coupling among bicarbazole moieties, 2-(naph- Received in revised form thalen-2-yl)pyridine-based IrIII phosphorescent units, and trans-[PtCl (PBu ) ]. The photophysical in- 2 3 2 14 June 2015 vestigations have indicated highly efficient energy-trans