Abstract
New hole transport indenocarbazole based copolymers, KHU-HTL1 and KHU-HTL2, were found to have good solubility, intermediate HOMO levels, especially good charge transport properties due to low hole reorganization energy. Subsequently, the device with KHU-HTL1 showed a maximum current efficiency up to 100.4 cd/A. To the best of our knowledge, the efficiency value we achieved from the solution processed green phosphorescent OLEDs with this material is one of the best efficiency realized from solution-processed OLED.
| Original language | English |
|---|---|
| Pages (from-to) | 1517-1520 |
| Number of pages | 4 |
| Journal | Digest of Technical Papers - SID International Symposium |
| Volume | 53 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 2022 |
| Event | 59th International Symposium, Seminar and Exhibition, Display Week 2022 - San Jose, United States Duration: 8 May 2022 → 13 May 2022 |
Bibliographical note
Publisher Copyright:© 2022. John Wiley and Sons Inc. AIAA. All rights reserved.
Keywords
- Efficient solution-processed OLED
- indenocarbazole-based hole transport copolymer
- reorganization energy
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