Results 31 to 40 of about 3,547 (153)

High efficiency blue organic light-emitting diodes with below-bandgap electroluminescence

Nature Communications, 2021
Thermally activated delayed fluorescence organic light-emitting diodes (TADF-OLEDs) rely on high triplet energy interlayers to confine excitons, which results in reduced performance.
Maria Vasilopoulou, Abd. Rashid bin Mohd Yusoff, Matyas Daboczi, Julio Conforto, Anderson Emanuel Ximim Gavim, Wilson Jose da Silva, Andreia Gerniski Macedo, Anastasia Soultati, George Pistolis, Fabio Kurt Schneider, Yifan Dong, Polina Jacoutot, Georgios Rotas, Jin Jang, Georgios C. Vougioukalakis, Christos L. Chochos, Ji-Seon Kim, Nicola Gasparini   +17 more
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Substituent effect on TADF properties of 2-modified 4,6-bis(3,6-di-tert-butyl-9-carbazolyl)-5-methylpyrimidines

Beilstein Journal of Organic Chemistry, 2022
The interest in organic materials exhibiting thermally activated delayed fluorescence (TADF) significantly increased in recent years owing to their potential application as emitters in highly efficient organic light emitting diodes (OLEDs).
Irina Fiodorova, Tomas Serevičius, Rokas Skaisgiris, Saulius Juršėnas, Sigitas Tumkevicius   +4 more
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Photophysics of thermally activated delayed fluorescence molecules

Methods and Applications in Fluorescence, 2017
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 in organic light emitting diodes (OLEDs). A large number of TADF molecules have been reported in the literature with the purpose of enhancing the efficiency of OLEDs by ...
Fernando B Dias, Thomas J Penfold, Andrew P Monkman   +2 more
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Red/NIR Thermally Activated Delayed Fluorescence from Aza‐BODIPYs

Chemistry – A European Journal, 2020
AbstractThe search for long‐lived red and NIR fluorescent dyes is challenging and hitherto scarcely reported. Herein, the viability of aza‐BODIPY skeleton as a promising system for achieving thermal activated delayed fluorescent (TADF) probes emitting in this target region is demonstrated for the first time.
Edurne Avellanal‐Zaballa, Alejandro Prieto‐Castañeda, Fernando García‐Garrido, Antonia R. Agarrabeitia, Esther Rebollar, Jorge Bañuelos, Inmaculada García‐Moreno, María J. Ortiz   +7 more
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Photoluminescence of the Au38(SR)26 nanocluster comprises three radiative processes

Communications Chemistry, 2023
Atomically precise gold nanoclusters display useful photoluminescence properties, but limitations in synthetic methods and characterization techniques have hindered their detailed exploration.
Lianshun Luo, Zhongyu Liu, Xiangsha Du, Rongchao Jin   +3 more
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Efficient Adversarial Generation of Thermally Activated Delayed Fluorescence Molecules

ACS Omega, 2022
Adversarial generative models are becoming an essential tool in molecular design and discovery due to their efficiency in exploring the desired chemical space with the assistance of deep learning. In this article, we introduce an integrated framework by combining the modules of algorithmic synthesis, deep prediction, adversarial generation, and fine ...
Zheng Tan, Yan Li, Ziying Zhang, Xin Wu, Thomas Penfold, Weimei Shi, Shiqing Yang   +6 more
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Applying TADF Emitters in Bioimaging and Sensing—A Novel Approach Using Liposomes for Encapsulation and Cellular Uptake

Frontiers in Chemistry, 2021
A new method for facilitating the delivery, uptake and intracellular localisation of thermally activated delayed fluorescence (TADF) complexes was developed. First, confinement of TADF complexes in liposomes was demonstrated, which were subsequently used
Poppy O. Smith, Dominic J. Black, Robert Pal, João Avó, Fernando B. Dias, Victoria L. Linthwaite, Martin J. Cann, Lars-Olof Pålsson   +7 more
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A three-dimensional ratiometric sensing strategy on unimolecular fluorescence–thermally activated delayed fluorescence dual emission

Nature Communications, 2019
New photoluminescent strategies are required to realize high-performance ratiometric sensors for bio-sensing applications. Here, the authors demonstrate a fluorescence-thermally activated delayed fluorescence dual emission strategy for ratiometric ...
Xuping Li, Gleb Baryshnikov, Chao Deng, Xiaoyan Bao, Bin Wu, Yunyun Zhou, Hans Ågren, Liangliang Zhu   +7 more
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Efficient pure blue hyperfluorescence devices utilizing quadrupolar donor-acceptor-donor type of thermally activated delayed fluorescence sensitizers

Nature Communications, 2023
A suppressed energy loss through Dexter energy transfer is crucial to achieve highly efficient blue organic light-emitting diodes. Here, authors synthesize quadrupolar donor-acceptor-donor type thermally activated delayed fluorescence sensitizers and ...
Hyuna Lee, Ramanaskanda Braveenth, Subramanian Muruganantham, Chae Yeon Jeon, Hyun Seung Lee, Jang Hyuk Kwon   +5 more
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High-Efficiency Diphenylpyrimidine Derivatives Blue Thermally Activated Delayed Fluorescence Organic Light-Emitting Diodes

Frontiers in Chemistry, 2020
Organic light-emitting diodes with thermally activated delayed fluorescence emitter have been developed with highly twisted donor–acceptor configurations and color-pure blue emitters.
Sunyoung Sohn, Min Woo Ha, Jiyong Park, Jiyong Park, Yoo-Heon Kim, Hyungju Ahn, Sungjune Jung, Soon-Ki Kwon, Yun-Hi Kim   +8 more
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