Multiresonant TADF materials: triggering the reverse intersystem crossing to alleviate the efficiency roll-off in OLEDs

KR Naveen, P Palanisamy, MY Chae… - Chemical …, 2023 - pubs.rsc.org
The hunt for narrow-band emissive pure organic molecules capable of harvesting both
singlet and triplet excitons for light emission has garnered enormous attention to promote …

Boron‐Based Narrowband Multiresonance Delayed Fluorescent Emitters for Organic Light‐Emitting Diodes

RK Konidena, KR Naveen - Advanced Photonics Research, 2022 - Wiley Online Library
Recently, the exploration of boron (B)/heteroatom‐embedded polycyclic nanographites
featuring multiresonance thermally activated delayed fluorescence (MR‐TADF) garners …

Highly efficient luminescence from space-confined charge-transfer emitters

X Tang, LS Cui, HC Li, AJ Gillett, F Auras, YK Qu… - Nature Materials, 2020 - nature.com
Abstract Charge-transfer (CT) complexes, formed by electron transfer from a donor to an
acceptor, play a crucial role in organic semiconductors. Excited-state CT complexes, termed …

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 …

Circularly polarized thermally activated delayed fluorescence emitters in through-space charge transfer on asymmetric spiro skeletons

SY Yang, YK Wang, CC Peng, ZG Wu… - Journal of the …, 2020 - ACS Publications
This work describes a strategy to produce circularly polarized thermally activated delayed
fluorescence (CP-TADF). A set of two structurally similar organic emitters SFST and SFOT …

Deep blue diboron embedded multi-resonance thermally activated delayed fluorescence emitters for narrowband organic light emitting diodes

KR Naveen, H Lee, R Braveenth, KJ Yang… - Chemical Engineering …, 2022 - Elsevier
We report three deep blue multiple resonant TADF emitters, m-ν-DABNA, 4F-ν-DABNA, and
4F-m-ν-DABNA by incorporating methyl groups and fluorine atoms in diboron based ν …

Modular design for constructing narrowband deep-blue multiresonant thermally activated delayed fluorescent emitters for efficient organic light emitting diodes

KR Naveen, H Lee, LH Seung, YH Jung… - Chemical Engineering …, 2023 - Elsevier
The simultaneous achievement of high efficiency and deep blue narrowband emission in
multi resonant thermally activated delayed fluorescence (MR-TADF) materials are crucial …

Spontaneous formation of metastable orientation with well-organized permanent dipole moment in organic glassy films

M Tanaka, M Auffray, H Nakanotani, C Adachi - Nature Materials, 2022 - nature.com
The performance of organic optoelectronic and energy-harvesting devices is largely
determined by the molecular orientation and resultant permanent dipole moment, yet this …

Multi‐layer π‐stacked molecules as efficient thermally activated delayed fluorescence emitters

XQ Wang, SY Yang, QS Tian, C Zhong… - Angewandte Chemie …, 2021 - Wiley Online Library
Multi‐layer π‐stacked emitters based on spatially confined donor/acceptor/donor (D/A/D)
patterns have been developed to achieve high‐efficiency thermally activated delayed …

Highly efficient and stable blue organic light‐emitting diodes based on thermally activated delayed fluorophor with donor‐void‐acceptor motif

D Zhang, Y Wada, Q Wang, H Dai, T Fan… - Advanced …, 2022 - Wiley Online Library
Thermally activated delayed fluorophores (TADF) with donor–acceptor (D‐A) structures
always face strong conjugation between donor and acceptor segments, rendering …