Luminescence in crystalline organic materials: from molecules to molecular solids

J Gierschner, J Shi, B Milián‐Medina… - Advanced Optical …, 2021 - Wiley Online Library
Luminescent small, all‐organic molecules are of tremendous interest in materials and life
science applications. Nevertheless, targeted design requires a basic understanding of the …

Photophysics of thermally activated delayed fluorescence molecules

FB Dias, TJ Penfold, AP Monkman - Methods and applications in …, 2017 - iopscience.iop.org
Thermally activated delayed fluorescence (TADF) has recently emerged as one of the most
attractive methods for harvesting triplet states in metal-free organic materials for application …

The importance of vibronic coupling for efficient reverse intersystem crossing in thermally activated delayed fluorescence molecules

J Gibson, AP Monkman, TJ Penfold - ChemPhysChem, 2016 - Wiley Online Library
Factors influencing the rate of reverse intersystem crossing (krISC) in thermally activated
delayed fluorescence (TADF) emitters are critical for improving the efficiency and …

The role of local triplet excited states and D‐A relative orientation in thermally activated delayed fluorescence: photophysics and devices

FB Dias, J Santos, DR Graves, P Data… - Advanced …, 2016 - Wiley Online Library
Here, a comprehensive photophysical investigation of a the emitter molecule DPTZ‐DBTO2,
showing thermally activated delayed fluorescence (TADF), with near‐orthogonal electron …

Simultaneous long‐persistent blue luminescence and high quantum yield within 2D organic–metal halide perovskite micro/nanosheets

B Zhou, D Yan - Angewandte Chemie, 2019 - Wiley Online Library
Molecular solid‐state materials with long‐lived luminescence (such as thermally activated
delayed fluorescence (TADF) and room temperature phosphorescence (RTP) systems) are …

The theory of thermally activated delayed fluorescence for organic light emitting diodes

TJ Penfold, FB Dias, AP Monkman - Chemical communications, 2018 - pubs.rsc.org
The interest in organic molecules exhibiting thermally activated delayed fluorescence
(TADF) has been reinvigorated in recent years owing to their potential to be exploited as …

Visible to NIR‐II Photoluminescence of Atomically Precise Gold Nanoclusters

Z Liu, L Luo, R Jin - Advanced Materials, 2024 - Wiley Online Library
Atomically precise gold nanoclusters (NCs) have emerged as a new class of precision
materials and attracted wide interest in recent years. One of the unique properties of such …

Triplet harvesting with 100% efficiency by way of thermally activated delayed fluorescence in charge transfer OLED emitters

FB Dias, KN Bourdakos, V Jankus, KC Moss… - Advanced …, 2013 - Wiley Online Library
Organic light‐emitting diodes (OLEDs) have their performance limited by the number of
emissive singlet states created upon charge recombination (25%). Recently, a novel …

Evidence and mechanism of efficient thermally activated delayed fluorescence promoted by delocalized excited states

T Hosokai, H Matsuzaki, H Nakanotani, K Tokumaru… - Science …, 2017 - science.org
The design of organic compounds with nearly no gap between the first excited singlet (S1)
and triplet (T1) states has been demonstrated to result in an efficient spin-flip transition from …

Versatile Host Materials for Both D–A‐Type and Multi‐Resonance TADF Emitters toward Solution‐Processed OLEDs with Nearly 30% EQE

N Li, Z Chen, C Zhou, F Ni, Z Huang, X Cao… - Advanced …, 2023 - Wiley Online Library
Fabricating solution‐processible host material for thermally activated delayed fluorescence
(TADF) emitter remains a formidable challenge for organic light‐emitting diodes (OLEDs). In …