Organic thermally activated delayed fluorescence materials for time‐resolved luminescence imaging and sensing

F Ni, N Li, L Zhan, C Yang - Advanced Optical Materials, 2020 - Wiley Online Library
As one of the most attractive purely organic luminescent materials, thermally activated
delayed fluorescence (TADF) luminophores have drawn wide attention in the last decade …

Recent developments on multi-functional metal-free mechanochromic luminescence and thermally activated delayed fluorescence organic materials

D Barman, R Gogoi, K Narang, PK Iyer - Frontiers in Chemistry, 2020 - frontiersin.org
Metal-free organic compounds with highly ordered π-conjugated twisted skeletons are
capable of generating brilliant multi-colored light. Additionally, the co-existence of numerous …

Selective expression of chromophores in a single molecule: soft organic crystals exhibiting full‐colour Tunability and dynamic triplet‐exciton behaviours

W Li, Q Huang, Z Mao, J Zhao, H Wu… - Angewandte …, 2020 - Wiley Online Library
Soft luminescent materials are attractive for optoelectronic applications, however, switching
dominant chromophores for property enrichment remains a challenge. Herein, we report the …

Polymorph‐Dependent Thermally Activated Delayed Fluorescence Emitters: Understanding TADF from a Perspective of Aggregation State

K Zheng, F Ni, Z Chen, C Zhong… - Angewandte Chemie …, 2020 - Wiley Online Library
Current research on thermally activated fluorescence (TADF) emitters is mainly based on the
molecular levels, while the aggregation states of TADF emitters are to be explored deeply …

Color‐tunable boron‐based emitters exhibiting aggregation‐induced emission and thermally activated delayed fluorescence for efficient solution‐processable …

HJ Kim, M Godumala, SK Kim, J Yoon… - Advanced Optical …, 2020 - Wiley Online Library
Three new color‐tunable (deep‐blue to sky‐blue) and solution‐processable emitters—9′‐
(2, 12‐di‐tert‐butyl‐5, 9‐dioxa‐13b‐boranaphtho [3, 2, 1‐de] anthracen‐7‐yl)‐9′ H‐9, 3 …

Mechanochromic Delayed Fluorescence Switching in Propeller‐Shaped Carbazole–Isophthalonitrile Luminogens with Stimuli‐Responsive Intramolecular Charge …

M Yang, IS Park, Y Miyashita, K Tanaka… - Angewandte …, 2020 - Wiley Online Library
Herein, the universal design of high‐efficiency stimuli‐responsive luminous materials
endowed with mechanochromic luminescence (MCL) and thermally activated delayed …

AIE-active multicolor tunable luminogens: simultaneous mechanochromism and acidochromism with high contrast beyond 100 nm

W Yang, Y Yang, Y Qiu, X Cao, Z Huang… - Materials Chemistry …, 2020 - pubs.rsc.org
The development of intelligent luminescent materials, particularly those exhibiting high-
contrast (Δλem, max> 100 nm) and multicolor mechanochromic luminescent (MCL) …

Stimuli-responsive aggregation-induced delayed fluorescence emitters featuring the asymmetric D–A structure with a novel diarylketone acceptor toward efficient …

Z Yang, Y Zhan, Z Qiu, J Zeng, J Guo… - … applied materials & …, 2020 - ACS Publications
Multifunctional luminescent materials with aggregation-induced delayed fluorescence
(AIDF) are capable of suppressing concentration-caused emission quenching and exciton …

Rational design of efficient orange-red to red thermally activated delayed fluorescence emitters for OLEDs with external quantum efficiency of up to 26.0% and …

J Liang, C Li, Y Cui, Z Li, J Wang… - Journal of Materials …, 2020 - pubs.rsc.org
The development of high efficiency orange-red/red thermally activated delayed fluorescence
(TADF) organic light emitting diodes (OLEDs) with reduced efficiency roll-off remains a huge …

Two types of two-step mechanochromic luminescence of phenanthroimidazolylbenzothiadiazoles

S Takahashi, S Nagai, M Asami, S Ito - Materials Advances, 2020 - pubs.rsc.org
The reversible color change of the solid-state emission upon exposure to mechanical stimuli
is called mechanochromic luminescence (MCL). In spite of the recent growing interest in …