Harvesting Hot Excitons for High‐Efficiency OLEDs with Extremely Low‐Efficiency Roll‐Off via Utilizing the Cascade Exciton Energy Transfer from Host and Sensitizer …

H Wang, J Chen, S Yang, H Lu, F Wei… - Advanced Functional …, 2024 - Wiley Online Library
Although high‐efficiency host‐sensitizer‐TBRb‐based organic light‐emitting diodes (HST‐
OLEDs) are widely reported, the reasons for their high performances are still vague because …

Immense magnetic response of exciplex light emission due to correlated spin-charge dynamics

Y Wang, K Sahin-Tiras, NJ Harmon, M Wohlgenannt… - Physical Review X, 2016 - APS
As carriers slowly move through a disordered energy landscape in organic semiconductors,
tiny spatial variations in spin dynamics relieve spin blocking at transport bottlenecks or in the …

Identifying the exciplex-to-exciplex energy transfer in tricomponent exciplex-based OLEDs through magnetic field effect measurements

F Wu, X Zhao, H Zhu, X Tang, Y Ning, J Chen… - ACS …, 2022 - ACS Publications
Tricomponent exciplex-based organic light-emitting diodes (TE-OLEDs) with high-and low-
energy exciplexes have recently gained much attentions because of their already-reported …

Understanding Spin–Orbit-Coupling-Induced Reverse Intersystem Crossing in DMAC-TRZ-Doped Organic Light-Emitting Diodes via Magnetic-Field-Effect …

Z Wang, X Jiang, J **ong, B **ao, Y Wang… - The Journal of …, 2024 - ACS Publications
An efficient reverse intersystem crossing (RISC) process in thermally activated delayed
fluorescence (TADF) material is a common way to obtain high-performance organic light …

Magnetic field enhancement of organic light‐emitting diodes based on electron donor–acceptor exciplex

T Basel, D Sun, S Baniya, R McLaughlin… - Advanced Electronic …, 2016 - Wiley Online Library
Reverse intersystem crossing (RISC) from triplet to singlet states has been recently
introduced to photophysics of organic chromophores. One type of RISC occurs in donor (D) …

Full confinement of high‐lying triplet states to achieve high‐level reverse intersystem crossing in rubrene: a strategy for obtaining the record‐high EQE of 16.1% with …

X Tang, R Pan, X Zhao, W Jia, Y Wang… - Advanced Functional …, 2020 - Wiley Online Library
A high‐level reverse intersystem crossing (HL‐RISC, T2→ S1→ S0+ hν) process has
recently been discovered as a promising route for achieving highly efficient organic light …

Abundant Evolution Processes of Polaron-Pairs and Exciplex States with Various Electron–Hole Coupling Distances in Exciplex-Based OLEDs by Modifying Device …

X Zhao, J Chen, L Cheng, S Yang, B Wang… - ACS …, 2023 - ACS Publications
Intersystem crossing (ISC) and reverse ISC (RISC) between singlet and triplet polaron-pairs
(PP) and exciplex (EX) states, triplet-charge annihilation (TCA), and triplet–triplet …

Intersystem crossing and triplet fusion in singlet-fission-dominated rubrene-based OLEDs under high bias current

X Tang, Y Hu, W Jia, R Pan, J Deng… - … Applied Materials & …, 2018 - ACS Publications
Singlet fission is usually the only reaction channel for excited states in rubrene-based
organic light-emitting diodes (OLEDs) at ambient temperature. Intriguingly, we discover that …

Observation of Reverse Intersystem‐Crossing From the Upper‐Level Triplet to Lowest Singlet Excitons (T2→S1) in Tetra(t‐butyl)rubrene‐Based OLEDs for …

Y Wang, Y Ning, F Wu, J Chen… - Advanced Functional …, 2022 - Wiley Online Library
High external quantum efficiency (EQE) up to 25% has recently been reported from tetra (t‐
butyl) rubrene (TBRb)‐based organic light‐emitting diodes (OLEDs), but its physical origin is …

Magnetic field effect in organic light‐emitting diodes based on electron donor–acceptor exciplex chromophores doped with fluorescent emitters

S Baniya, Z Pang, D Sun, Y Zhai… - Advanced Functional …, 2016 - Wiley Online Library
A new type of organic light‐emitting diode (OLED) has emerged that shows enhanced
operational stability and large internal quantum efficiency approaching 100%, which is …