Achieving narrow FWHM and High EQE over 38% in blue OLEDs using rigid heteroatom‐based deep blue TADF sensitized host

R Braveenth, H Lee, JD Park, KJ Yang… - Advanced Functional …, 2021 - Wiley Online Library
Simultaneously obtaining high efficiency and deep blue emission in organic light emitting
diodes (OLEDs) remains a challenge. To overcome the demands associated with deep blue …

Advances in the design of functionalized 1, 4-diazines as components for photo-or/and electroactive materials

EV Verbitskiy, GN Lipunova, EV Nosova… - Dyes and …, 2023 - Elsevier
Pyrazines and quinoxalines represent a well-known class of electron-deficient heterocyclic
compounds, which are exploited as electron-withdrawing fragments in push-pull structures …

Molecular ionization energies from GW and Hartree–Fock theory: Polarizability, screening, and self-energy vertex corrections

CH Patterson - Journal of Chemical Theory and Computation, 2024 - ACS Publications
Accurate prediction of electron removal and addition energies is essential for reproducing
neutral excitation spectra in molecules using Bethe–Salpeter equation methods. A Hartree …

Iridium (III) Carbene Phosphors with Fast Radiative Transitions for Blue Organic Light Emitting Diodes and Hyperphosphorescence

Z Zheng, L Wang, Y Xin, Q Wang… - Advanced Functional …, 2024 - Wiley Online Library
It is envisioned that the efficient and stable blue OLED phosphors can be synthesized using
Ir (III) complexes with electron‐deficient carbene cyclometalates. Therefore, three facially …

Tetra‐Donor Pyrazine Based Thermally Activated Delayed Fluorescence Emitters for Electroluminescence and Amplified Spontaneous Emission

D Chen, J Gong, J Grüne, T Matulaitis… - Advanced Functional …, 2024 - Wiley Online Library
Thermally activated delayed fluorescence (TADF) materials are expected to address triplet‐
related losses in electrically driven organic lasers, as the electrically generated triplets in the …

Tuning the emission and exciton utilization mechanisms of pyrazine-based multi-carbazole emitters and their use in organic light-emitting diodes

D Chen, L Zhang, T Matulaitis, DB Cordes… - Journal of Materials …, 2023 - pubs.rsc.org
Thermally activated delayed fluorescence (TADF) and hot excitons are two distinct exciton
harvesting mechanisms that can lead to 100% internal quantum efficiency in organic light …

Simultaneous enhancement of thermally activated delayed fluorescence and photoluminescence quantum yield via homoconjugation

S Montanaro, P Pander, JR Mistry… - Journal of Materials …, 2022 - pubs.rsc.org
A critical challenge facing thermally activated delayed fluorescence (TADF) is to facilitate
rapid and efficient electronic transitions while ensuring a narrow singlet–triplet energy gap …

Multifunctional properties of D–A luminophores based on acenaphtopyrido [2, 3-b] pyrazine core: photophysics, photochemistry, and efficient solution-processed …

W de Pontes Silva, NO Decarli, L Espíndola… - Journal of Materials …, 2023 - pubs.rsc.org
A new series of multifunctional compounds displaying thermally activated delayed
fluorescence (TADF), room-temperature phosphorescence (RTP), aggregation-induced …

Influence of Multiple rISC Channels on the Maximum Efficiency and Roll-Off of TADF OLEDs

PL Dos Santos, D de Sa Pereira, CS Oh… - The Journal of …, 2024 - ACS Publications
In this work, we look into the detailed photophysical characterization of a multidonor–
acceptor (DA) family of thermally activated delayed fluorescent (TADF) emitters to find …

Enhancing OLED emitter efficiency through increased rigidity

M Godi, H Kwon, S Park, S Park, H Lee, K Lee, J Park - RSC advances, 2024 - pubs.rsc.org
Three new blue materials, TPI-InCz, PAI-InCz, and CN-PAI-InCz, have been developed. In
the film state, TPI-InCz and PAI-InCz exhibited emission peaks at 411 and 431 nm indicating …