材料科学
聚合物
磷光
侧链
聚苯乙烯
烷基
三嗪
单体
有机发光二极管
苯乙烯
高分子化学
分子
光化学
共聚物
图层(电子)
有机化学
纳米技术
荧光
复合材料
化学
物理
量子力学
作者
B. Salert,Armin Wedel,Lutz Grubert,Thomas S. Eberle,Rémi Anémian,Hartmut Krueger
摘要
This paper describes the synthesis of new electron-transporting styrene monomers and their corresponding polystyrenes all with a 2,4,6-triphenyl-1,3,5-triazine basic structure in the side group. The monomers differ in the alkyl substitution and in the meta-/paralinkage of the triazine to the polymer backbone. The thermal and spectroscopic properties of the new electron-transporting polymers are discussed in regard to their chemical structures. Phosphorescent OLEDs were prepared using the obtained electron-transporting polymers as the emissive layer material in blend systems together with a green iridium-based emitter 13 and a small molecule as an additional cohost with wideband gap characteristics (CoH-001). The performance of the OLEDs was characterized and discussed in regard to the chemical structure of the new electron-transporting polymers.
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