Pyridine‐Containing Triphenylbenzene Derivatives with High Electron Mobility for Highly Efficient Phosphorescent OLEDs
Shi‐Jian Su(Photonics Electronics Technology Research Association), Takayuki Chiba(Yamagata University), Takashi Takeda(Photonics Electronics Technology Research Association), Junji Kido(Yamagata University)
Cited by 626
Abstract
Two pyridine-containing triphenylbenzene derivatives of 1,3,5-tri(m-pyrid- 3-yl-phenyl)benzene (TmPyPB) and 1,3,5-tri(p-pyrid-3-yl-phenyl) benzene (TpPyPB) (see figure) with high electron mobility and high triplet energy level were designed and synthesized. Highly efficient blue and green phosphorescent OLEDs were achieved by using TmPyPB and TpPyPB as an electron-transport layer, respectively.
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