Results 21 to 30 of about 5,621 (248)

Evaluating Multi-Resonant Thermally Activated Delayed (MR-TADF) Fluorescent Compounds as Photocatalysts [PDF]

open access: yes, 2022
Donor-acceptor (D-A) thermally activated delayed fluorescent (TADF) compounds, such as 4CzIPN, have become a widely used sub-class of organic photocatalysts for a plethora of photocatalytic reactions.
Andrew, Smith   +3 more
core   +2 more sources

Carbene-metal complexes as molecular scaffolds for construction of through-space TADF emitters [PDF]

open access: yes, 2021
Through-space charge transfer (CT) process is observed in Cu(I) carbene-metal-amide complexes, where conventional imidazole or imidazoline N-heterocyclic (NHC) carbene fragments act as inert linkers and CT proceeds between a metal-bound carbazole donor ...
Aivars, Vembris   +5 more
core   +2 more sources

Molecular geometry and TADF photophysics: the strange case of DMAC-py-TRZ [PDF]

open access: yes, 2022
We present the synthesis, optoelectronic characterization, and a detailed theoretical study of DMAC-py-TRZ, a novel, efficient TADF emitter. This compound is a structural relative of the well-known TADF compound DMAC-TRZ, substituting the bridging ...
Tomas, Matulaitis   +10 more
core   +2 more sources

Unified Framework for Photophysical Rate Calculations in TADF Molecules [PDF]

open access: yesJournal of Chemical Theory and Computation, 2021
One of the challenges in organic light emitting diodes research is finding ways to increase device efficiency by making use of the triplet excitons that are inevitably generated in the process of electroluminescence. One way to do so is by thermally activated delayed fluorescence, a process in which singlet excitons undergo up-conversion to singlet ...
Leonardo Evaristo de Sousa   +1 more
openaire   +2 more sources

TADF-Type Organic Afterglow Nanoparticles with Temperature and Oxygen Dual-Responsive Property for Bimodal Sensing

open access: yes, 2023
Stimuli-responsive organic afterglow materials, which feature long-lived excited states compared to their fluorescence counterparts, have been shown to exhibit distinct advantages to work normally even in the presence of a strong fluorescence background.
Ju Huang   +19 more
core   +1 more source

Improved Prediction of Maximum EQE in TADF-based OLEDs Through Ensemble Learning [PDF]

open access: yes, 2022
In recent times, we have seen colossal growth in the field of Thermally Activated Delayed Fluorescence (TADF)-based OLEDs in terms of synthesis and applications in sensing and imaging.
BIDHAN CHANDRA, GARAIN, Swapan K., Pati
core   +2 more sources

Emission and Absorption Tuning in MR-TADF B,N-Doped Hep-tacenes: Towards Ideal-Blue Hyperfluorescent OLEDs [PDF]

open access: yes, 2022
Developing high-efficiency purely organic blue organic light-emitting diodes (OLEDs) that meet the stringent industry standards is a major current research challenge.
Yoann, Olivier   +10 more
core   +2 more sources

Studies on Annihilation and Coreactant Electrochemiluminescence of Thermally Activated Delayed Fluorescent Molecules in Organic Medium

open access: yesMolecules, 2022
Very recently, there is a great research interest in electrochemiluminescence (ECL) featuring thermally activated delayed fluorescence (TADF) properties, i.e., TADF-ECL.
Ping Huang   +6 more
doaj   +1 more source

The effect of dark states on the intersystem crossing and thermally activated delayed fluorescence of naphthalimide-phenothiazine dyads

open access: yesBeilstein Journal of Organic Chemistry, 2023
A series of 1,8-naphthalimide (NI)-phenothiazine (PTZ) electron donor–acceptor dyads were prepared to study the thermally activated delayed fluorescence (TADF) properties of the dyads, from a point of view of detection of the various transient species ...
Liyuan Cao   +5 more
doaj   +1 more source

TADF-Emitting Zn(II)-Benzoporphyrin: An Indicator for Simultaneous Sensing of Oxygen and Temperature

open access: yes, 2020
A new luminescent indicator is presented that enables simultaneous measurement of oxygen and temperature at a single wavelength. The indicator, an alkylsulfone-substituted Zn­(II)-meso-tetraphenyltetrabenzoporphyrin, emits prompt and thermally activated ...
Andreas Steinegger   +7 more
core   +1 more source

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