Utilizing a Spiro TADF Moiety as a Functional Electron Donor in TADF Molecular Design toward Efficient “Multichannel” Reverse Intersystem Crossing
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Functional Materials"
DOI: 10.1002/adfm.201808088
Abstract: Designing thermally activated delayed fluorescence (TADF) materials with an efficient reverse intersystem crossing (RISC) process is regarded as the key to actualize efficient organic light‐emitting diodes (OLEDs) with low efficiency roll‐off. Herein, a novel molecular… read more here.
Keywords: intersystem crossing; reverse intersystem; tadf; efficiency ... See more keywords
Thermally Activated Delayed Fluorescence Emitters Based on Rigid Lactam Acceptors: Simultaneously Achieving Desirable Emission Efficiency, Horizontal Orientation, and Reverse Intersystem Crossing
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202314533
Abstract: Thermally activated delayed fluorescence (TADF) materials that exhibit simultaneously high photoluminescence quantum yield (PLQY), rapid reverse intersystem crossing (RISC), and a high horizontal transition dipole ratio are highly desirable for realizing high‐performance organic light‐emitting diodes… read more here.
Keywords: efficiency; activated delayed; thermally activated; reverse intersystem ... See more keywords
Enhancing Spin–Orbit Coupling in an Indolocarbazole Multiresonance Emitter by a Sulfur‐Containing Peripheral Substituent for a Fast Reverse Intersystem Crossing
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Materials"
DOI: 10.1002/adma.202408816
Abstract: A fast reverse intersystem crossing (RISC) remains an ongoing pursuit for multiresonance (MR) emitters but faces formidable challenges, particularly for indolocarbazole (ICz) derived ones. Here, heavy‐atom effect is introduced first to construct ICz‐MR emitter using… read more here.
Keywords: sulfur containing; reverse intersystem; fast reverse; emitter ... See more keywords
Tricomponent Exciplex Emitter Realizing over 20% External Quantum Efficiency in Organic Light‐Emitting Diode with Multiple Reverse Intersystem Crossing Channels
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Science"
DOI: 10.1002/advs.201801938
Abstract: Abstract With the naturally separated frontier molecular orbitals, exciplexes are capable of thermally activated delayed fluorescence emitters for organic light‐emitting diodes (OLEDs). And, the current key issue for exciplex emitters is improving their exciton utilization.… read more here.
Keywords: multiple reverse; tricomponent exciplex; organic light; light emitting ... See more keywords
Direct observation of reverse intersystem crossing from fully confined triplet exciplexes using magneto-electroluminescence
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Chemistry C"
DOI: 10.1039/c9tc02896j
Abstract: Magneto-electroluminescence was used to observe reverse intersystem crossing in exciplex-based organic light-emitting diodes directly. read more here.
Keywords: reverse intersystem; intersystem crossing; magneto electroluminescence;
Importance of spin-triplet excited-state character on the reverse intersystem crossing process of the spiro-based TADF emitters
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Materials Chemistry C"
DOI: 10.1039/d2tc05402g
Abstract: Reverse intersystem crossing (RISC) process is vital to improving the exciton utilization and suppressing efficiency roll-off in thermally activated delayed fluorescence (TADF) materials. However, direct exciton transfer from the lowest... read more here.
Keywords: process; intersystem crossing; reverse intersystem; tadf ... See more keywords
A deep learning model for inferring the reverse intersystem crossing rate of TADF organic light-emitting diodes, overcoming the uncertainty of recombination dynamics.
Sign Up to like & getrecommendations! Published in 2025 at "Materials horizons"
DOI: 10.1039/d5mh01156f
Abstract: Polaron recombination and reverse intersystem crossing (RISC) are crucial processes related to the performance of thermally activated delayed fluorescence (TADF) organic light-emitting diodes (OLEDs). In this study, we developed a tandem deep neural network (DNN)… read more here.
Keywords: recombination; rate; reverse intersystem; model ... See more keywords
Over 260-fold enhancement of reverse intersystem crossing by a host–guest exciplex for a multiple resonance emitter toward efficient narrowband electroluminescence
Sign Up to like & getrecommendations! Published in 2025 at "Chemical Science"
DOI: 10.1039/d5sc05928c
Abstract: Multiple resonance (MR) thermally activated delayed fluorescence (TADF) emitters hold great potential for fabricating high-efficiency narrowband organic light-emitting diodes (OLEDs) toward high-definition display applications. However, their slow reverse intersystem crossing (RISC) causes strong device efficiency… read more here.
Keywords: host; reverse intersystem; guest exciplex; host guest ... See more keywords
Abnormal Reverse Intersystem Crossing of Polaron-Pair States and Its Conversion to Intersystem Crossing via the Regulation of Intermolecular Electron-Hole Spacing Distance
Sign Up to like & getrecommendations! Published in 2020 at "Physical review applied"
DOI: 10.1103/physrevapplied.14.024011
Abstract: Reverse intersystem crossing (RISC) unexpectedly dominates the interconversion of polaron pairs in the traditional fluorescent material 4-(dicyanomethylene)-2-tert-butyl-6-(1,1,7,7-tetramethyljulolidin-4-yl-vinyl)-4H-pyran (DCJTB), with a large energy gap (\ensuremath{\Delta}${E}_{\mathrm{ST}}$) between singlet and triplet excitons, by employing the magnetoelectroluminescence detection technique.… read more here.
Keywords: pair; polaron; intersystem crossing; intersystem ... See more keywords