Tailoring Carbon Tails of Ligands on Au52(SR)32 Nanoclusters Enhances the Near-Infrared Photoluminescence Quantum Yield from 3.8 to 18.3%

Y Wang, Z Liu, A Mazumder… - Journal of the …, 2023 - ACS Publications
One of the important factors that determine the photoluminescence (PL) properties of gold
nanoclusters pertain to the surface. In this study, four Au52 (SR) 32 nanoclusters that feature …

Diindolocarbazole–achieving multiresonant thermally activated delayed fluorescence without the need for acceptor units

D Hall, K Stavrou, E Duda, A Danos, S Bagnich… - Materials …, 2022 - pubs.rsc.org
In this work we present a new multi-resonance thermally activated delayed fluorescence
(MR-TADF) emitter paradigm, demonstrating that the structure need not require the …

Exact solution of kinetic analysis for thermally activated delayed fluorescence materials

Y Tsuchiya, S Diesing, F Bencheikh… - The Journal of …, 2021 - ACS Publications
The photophysical analysis of thermally activated delayed fluorescence (TADF) materials
has become instrumental for providing insights into their stability and performance, which is …

A figure of merit for efficiency roll-off in TADF-based organic LEDs

S Diesing, L Zhang, E Zysman-Colman, IDW Samuel - Nature, 2024 - nature.com
Organic light-emitting diodes (OLEDs) are a revolutionary light-emitting display technology
that has been successfully commercialized in mobile phones and televisions,. The injected …

Spontaneous exciton dissociation enables spin state interconversion in delayed fluorescence organic semiconductors

AJ Gillett, C Tonnelé, G Londi, G Ricci… - Nature …, 2021 - nature.com
Engineering a low singlet-triplet energy gap (ΔE ST) is necessary for efficient reverse
intersystem crossing (rISC) in delayed fluorescence (DF) organic semiconductors but results …

Switching thermally activated delayed fluorescence to room temperature phosphorescence for oxygen sensing: Effect of donor substituents of trifluoromethylphenyl

L Skhirtladze, R Keruckiene, O Bezvikonnyi… - … Acta Part A: Molecular …, 2024 - Elsevier
Two compounds consisting of electron-accepting trifluoromethylphenyl moiety and electron-
donating phenoxazine and phenothiazine moieties were designed and synthesized via …

Tuning of HOMO-LUMO localization for achieving thermally activated delayed fluorescence

R Skaisgiris, T Serevičius, J Dodonova… - Journal of …, 2022 - Elsevier
High emission yield and rapid reverse intersystem crossing are essential for efficient
thermally activated delayed fluorescence (TADF) compounds. In this paper, we show that …

Thermally Controllable Tuning of Emission Properties of Phenoxazine‐Substituted Acridones as One Step Forward to Efficient Organic Light‐Emitting Diodes Based …

M Guzauskas, D Volyniuk… - Advanced Optical …, 2023 - Wiley Online Library
The overwhelming majority of efficient organic light‐emitting diodes (OLEDs) are based on
amorphous emitting layers. The devices with crystalline emitters usually show significantly …

Anomalous emission of an ESIPT-capable zinc (II) complex: An interplay of TADF, TICT and anti-Kasha behaviour

NA Shekhovtsov, MB Bushuev - Journal of Photochemistry and …, 2022 - Elsevier
In contrast to the vast majority of organic ESIPT-emitters (ESIPT–excited state intramolecular
proton transfer), a pyrimidine-based ESIPT-type ligand HL can bind metal ions without its …

Determining non-radiative decay rates in TADF compounds using coupled transient and steady state optical data

S Sem, S Jenatsch, K Stavrou, A Danos… - Journal of Materials …, 2022 - pubs.rsc.org
Thermally-activated delayed fluorescence (TADF) compounds are promising materials used
in emissive layers of organic light-emitting diodes (OLEDs). Their main benefit is that they …