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Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes
Published on: November 16, 2018
Novel molecular triad exhibiting aggregation-induced emission and thermally activated fluorescence for efficient
Hyung Jong Kim1, Seong Keun Kim, Mallesham Godumala
1Department of Chemistry, Research Institute for Natural Sciences, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea. chominju@korea.ac.kr dhchoi8803@korea.ac.kr.
Abstract:
A light-emitting molecular triad (BPCP-2CPC) with dual functionality was successfully synthesized and applied to solution-processed non-doped organic light-emitting diodes. The BPCP-2CPC triad contains 9-phenyl-9H-carbazole units as a host moiety tethered to a green-emitting core (BPCP) through a cyclohexane unit and exhibits thermally activated delayed fluorescence (TADF) and aggregation-induced emission (AIE) characteristics simultaneously. The BPCP-2CPC-based non-doped TADF-OLED devices showed a high external quantum efficiency (EQE) of 13.4%.
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