Charge carrier traps in organic semiconductors: a review on the underlying physics and impact on electronic devices

HF Haneef, AM Zeidell, OD Jurchescu - Journal of Materials Chemistry …, 2020 - pubs.rsc.org
The weak intermolecular interactions inherent in organic semiconductors make them
susceptible to defect formation, resulting in localized states in the band-gap that can trap …

Designing Host Materials for the Emissive Layer of Single‐Layer Phosphorescent Organic Light‐Emitting Diodes: Toward Simplified Organic Devices

C Poriel, J Rault‐Berthelot - Advanced Functional Materials, 2021 - Wiley Online Library
Thanks to the tremendous effort over the last 20 years, phosphorescent organic light‐
emitting diodes (PhOLEDs) represent a prevalent technology. In this technology, all the high …

Improved efficiency and lifetime of deep‐blue hyperfluorescent organic light‐emitting diode using Pt (II) complex as phosphorescent sensitizer

S Nam, JW Kim, HJ Bae, YM Maruyama… - Advanced …, 2021 - Wiley Online Library
Although the organic light‐emitting diode (OLED) has been successfully commercialized,
the development of deep‐blue OLEDs with high efficiency and long lifetime remains a …

Robust sky-blue aggregation-induced delayed fluorescence materials for high-performance top-emitting OLEDs and single emissive layer white OLEDs

X Wu, J Zeng, X Peng, H Liu, BZ Tang… - Chemical Engineering …, 2023 - Elsevier
The development of blue luminescent materials plays a crucial role in the industry of organic
light-emitting diodes (OLEDs). Herein, two sky-blue luminescent materials (mCP-BP-DMAC …

New high-T g bipolar benzimidazole derivatives in improving the stability of high-efficiency OLEDs

SJ Lin, YC Cheng, CH Chen, YY Zhang… - Journal of Materials …, 2023 - pubs.rsc.org
Four bipolar molecules, named 1-, 2-, 3-, and 4-3cbzBIZ, composed of tricarbazole (3cbz)
substituted benzimidazole, were synthesized and characterized. They not only exhibit good …

Are pure hydrocarbons the future of host materials for blue phosphorescent organic light-emitting diodes?

C Poriel, J Rault-Berthelot, ZQ Jiang - Materials Chemistry Frontiers, 2022 - pubs.rsc.org
The fantastic development of phosphorescent organic light-emitting diodes (PhOLEDs) has
been undoubtedly driven by the molecular design of high-efficiency host materials for red …

Influence of traps and Lorentz Force on charge transport in organic semiconductors

S Morab, MM Sundaram, A Pivrikas - Materials, 2023 - mdpi.com
Charge transport characteristics in organic semiconductor devices become altered in the
presence of traps due to defects or impurities in the semiconductors. These traps can lead to …

Improved efficiency and stability of blue phosphorescent organic light emitting diodes by enhanced orientation of homoleptic cyclometalated Ir (III) complexes

JS Kim, D Jeong, HJ Bae, Y Jung… - Advanced Optical …, 2020 - Wiley Online Library
Novel homoleptic cyclometalated Ir (III) complexes are designed to improve their emission
dipole orientations in the emitting layer of blue phosphorescent organic light emitting …

Quinolinoacridine as High Efficiency Building Unit in Single‐Layer Phosphorescent Organic Light‐Emitting Diodes

C Brouillac, F Lucas, D Ari, D Tondelier… - Advanced Electronic …, 2024 - Wiley Online Library
The performances of simplified single‐layer phosphorescent organic light‐emitting diodes
(SL‐PhOLEDs) have significantly increased and they now appear to be a promising …

Enhancing electron transport of 7-bis (diphenylphosphoryl)-9, 9′-spirobifluorene through polarity reduction of polar covalent bonds using organic molecular additives

FH Abd Nasir, KL Woon, WS Wong, N Chanlek… - Synthetic Metals, 2023 - Elsevier
In the electron-transporting organic semiconductor, polar covalent bonds are a necessary
design to deepen the Lowest Occupied Molecular Orbitals for effective charge injection …