Journal
ADVANCED MATERIALS
Volume 23, Issue 31, Pages 3570-+Publisher
WILEY-BLACKWELL
DOI: 10.1002/adma.201101074
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Funding
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences [CX07QZJC-24]
- National Natural Science Foundation of China [50803062]
- Science Fund for Creative Research Groups [20621401]
- 973 Project [2009CB623601]
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A novel, bipolar polymeric host based on a poly(aryl ether) containing phosphine oxide units in the electron-transporting main chain and carbazole units in the hole-transporting side chains is designed and synthesized for blue electrophosphorescence. This polymeric host possesses a bipolar character and a high E(T) of 2.96 eV. The efficiency of blue-emitting PhPLEDs based on this polymeric host doped with Flrpic reaches 23.3 cd A(-1) (EQE = 10.8%).
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