Novel organic hole transport material with very high Tg for light-emitting diodes

Autor: Hiroshi Tanabe, Yoshimasa Okamura, Kazunori Ueno, Travis Thoms, Jian-Ping Chen, Xiao-Chang Li
Rok vydání: 2003
Předmět:
Zdroj: Synthetic Metals. 132:173-176
ISSN: 0379-6779
DOI: 10.1016/s0379-6779(02)00203-5
Popis: We have synthesized a new hole transport (HT) compound, 4,4′,4″-tri(N-dibenzo[a,g]carbazolyl)triphenylamine (TDCTA). Due to the combined star-shaped structure and much-fused dibenzo[a,g]carbazolyl chromophores, TDCTA exhibits a very high glass transition temperature (Tg) at 212 °C and a high thermal decomposition temperature (Td) at 575 °C. When used as a HT in non-optimized double-layer organic light-emitting diodes (OLEDs), TDCTA shows a good hole transporting property.
Databáze: OpenAIRE