基于 3,4-亚乙基二氧噻吩的电化学共聚膜的可控光学、电学和形态性质。
Controllable optical, electrical, and morphologic properties of 3,4-ethylenedioxythiophene based electrocopolymerization films.
机构信息
State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Qianjin Avenue, Changchun 130012, PR China.
出版信息
Macromol Rapid Commun. 2011 Jul 1;32(13):1014-9. doi: 10.1002/marc.201100194. Epub 2011 Jun 3.
This contribution presents a kind of novel and neutral network films based on EDOT formed by in situ electrocopolymerization (ECP). The ECP films which are neutral and colorless exhibit the conductivity of 0.2-0.5 S·cm(-1), W(F) of 4.79-5.20 eV, and RMS roughness of 3.51-5.26 nm. The electroluminescent devices where ECP films acted as hole-transport layer (HTL) exhibit higher brightness, current density, efficiency (20-30% improvement), and stability than that of PEDOT:PSS HTL device. The ECP films also significantly benefit the stability of neighboring organic layer compared to PEDOT:PSS. This kind of new ECP films affords more opportunities to develop organic light-emitting diodes (OLEDs) with high performances and stability.
本文提出了一种基于原位电化学聚合（ECP）形成的 EDOT 的新型中性和无定形网络薄膜。中性无色的 ECP 薄膜表现出 0.2-0.5 S·cm(-1) 的电导率、4.79-5.20 eV 的 W(F)和 3.51-5.26nm 的 RMS 粗糙度。以 ECP 薄膜作为空穴传输层（HTL）的电致发光器件具有比 PEDOT:PSS HTL 器件更高的亮度、电流密度和效率（提高 20-30%），以及更好的稳定性。与 PEDOT:PSS 相比，ECP 薄膜还显著提高了相邻有机层的稳定性。这种新型的 ECP 薄膜为开发高性能和高稳定性的有机发光二极管（OLEDs）提供了更多的机会。
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