Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, get their minds active, and encourage them to do something that doesn’t involve a screen. 499-40-1, C12H22O11. A document type is Article, introducing its new discovery., Formula: C12H22O11
The series of new bipolar host materials with dipyridylamine and carbazole moieties connected to the triazine core unit were synthesized for green phosphorescent organic light-emitting diodes (PHOLEDs). Especially, we controlled the hole transporting behaviors by attaching different connectivity of carbazole moieties attached to the triazine core in new synthetic host materials. From this approach, we found that triazine derivatives with dipyridylamine-carbazole based substituents exhibited moderately high glass temperature above 139 C as well as relatively high triplet energy (T1 > 2.78 eV). With those bipolar host materials, we prepared green PHOLEDs. And the new synthetic dipyridylamine-carbazole based triazine derivative, [4,6-bis(9-phenyl-9H-carbazol-3-yl)-N,N-di(pyridin-2-yl)-1,3,5-triazin-2-amine (3-BCTPy)] showed relati-vely high device efficiencies, up to 70.6 cd/A and 18.9% (external quantum efficiency, EQE) when we utilized it as a host materials and bis(2-phenylpyridine)(acetyl-acetonato) iridium (III) [Ir(ppy)2(acac)] as a dopant.
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Reference：
Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics