An excellent bipolar host material exhibiting EQE of 24.0% with small efficiency roll-off in solution-processable thermally activated delayed fluorescence OLEDs
- 16 October 2019
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of Materials Chemistry C
- Vol. 7 (44) , 13930-13938
Abstract
The D–A–D′-type novel organic material APC was designed and synthesized as a host for TADF emitters. APC realized an external quantum efficiency of 24.0% and also retained 23.1 and 21.7% at high brightness of 500 and 1000 cd m −2 , respectively.Keywords
Funding Information
- National Research Foundation of Korea (NRF2019R1A2C2002647)
- National Research Foundation of Korea (NRF2019R1A6A1A11044070)
- Korea Basic Science Institute
This publication has 38 references indexed in Scilit:
- New Benzimidazole-Based Bipolar Hosts: Highly Efficient Phosphorescent and Thermally Activated Delayed Fluorescent Organic Light-Emitting Diodes Employing the Same Device StructureACS Applied Materials & Interfaces, 2016
- Universal Host Materials for High-Efficiency Phosphorescent and Delayed-Fluorescence OLEDsACS Applied Materials & Interfaces, 2015
- High Efficiency in a Solution‐Processed Thermally Activated Delayed‐Fluorescence Device Using a Delayed‐Fluorescence Emitting Material with Improved SolubilityAdvanced Materials, 2014
- Carbazole/oligocarbazoles substituted silanes as wide bandgap host materials for solution-processable electrophosphorescent devicesOrganic Electronics, 2012
- Incorporation of a CN group into mCP: a new bipolar host material for highly efficient blue and white electrophosphorescent devicesJournal of Materials Chemistry, 2012
- Organic host materials for phosphorescent organic light-emitting diodesChemical Society Reviews, 2011
- Electron-transporting materials for organic electroluminescent and electrophosphorescent devicesJournal of Materials Chemistry, 2004
- Extended molecular design concept of molecular materials for electroluminescence: sublimed–dye films, molecularly doped polymers and polymers with chromophoresPhilosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 1997
- Efficient two layer leds on a polymer blend basisAdvanced Materials, 1995
- Aliphatic Organopolysilanes1968