The golden age of thermally activated delayed fluorescence materials: design and exploitation

JM Dos Santos, D Hall, B Basumatary… - Chemical …, 2024 - ACS Publications
Since the seminal report by Adachi and co-workers in 2012, there has been a veritable
explosion of interest in the design of thermally activated delayed fluorescence (TADF) …

Diazine-based thermally activated delayed fluorescence chromophores

S Achelle, M Hodée, J Massue, A Fihey, C Katan - Dyes and Pigments, 2022 - Elsevier
Diazines are electron deficient six-membered aromatic rings heterocycles which have
successfully been employed in the design of a wide range of push-pull chromophores for …

Vibrational Damping Reveals Vibronic Coupling in Thermally Activated Delayed Fluorescence Materials

M Hempe, NA Kukhta, A Danos, MA Fox… - Chemistry of …, 2021 - ACS Publications
We investigate a series of D–A molecules consisting of spiro [acridan-9, 9′-fluorene] as the
donor and 2-phenylenepyrimidine as the acceptor. In two of the materials, a spiro center …

Multipath exciton harvesting in diazine-based luminescent materials and their applications for organic light-emitting diodes

L Yu, C Yang - Journal of Materials Chemistry C, 2021 - pubs.rsc.org
Thermally activated delayed fluorescence (TADF) materials have attracted intensive interest
in recent decades owing to their intrinsic merits of 100% exciton collection capability and …

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 …

Light amplification and efficient electroluminescence from a solution‐processable diketopyrrolopyrrole derivative via triplet‐to‐singlet upconversion

A Shukla, SKM McGregor, R Wawrzinek… - Advanced Functional …, 2021 - Wiley Online Library
Over the years, achieving efficient electroluminescence (EL) while simultaneously having
low light amplification thresholds under optical excitation has been the key to progression …

Effect of ortho-biphenyl substitution on the excited state dynamics of a multi-carbazole TADF molecule

SJ Woo, YH Ha, YH Kim, JJ Kim - Journal of Materials Chemistry C, 2020 - pubs.rsc.org
We report a new thermally activated delayed fluorescence (TADF) molecule developed by
the ortho-biphenyl substitution of a multi-carbazole TADF molecule. The new TADF …

Single-exponential solid-state delayed fluorescence decay in TADF compounds with minimized conformational disorder

T Serevičius, R Skaisgiris, I Fiodorova… - Journal of Materials …, 2021 - pubs.rsc.org
Thermally activated delayed fluorescence (TADF) compounds with rapid triplet
upconversion in solutions frequently yield drastically lowered upconversion rates in solid …

TADF parameters in the solid state: an easy way to draw wrong conclusions

T Serevicius, R Skaisgiris, G Kreiza… - The Journal of …, 2021 - ACS Publications
The successful development of thermally activated delayed fluorescence (TADF) OLEDs
relies on advances in molecular design. To guide the molecular design toward compounds …

Temporal Dynamics of Solid-State Thermally Activated Delayed Fluorescence: Disorder or Ultraslow Solvation?

T Serevičius, R Skaisgiris, J Dodonova… - The Journal of …, 2022 - ACS Publications
Time-resolved emission spectra of thermally activated delayed fluorescence (TADF)
compounds in solid hosts demonstrate significant temporal shifts. To explain the shifts, two …