Efficient blue organic light-emitting diodes employing thermally activated delayed fluorescence

Q Zhang, B Li, S Huang, H Nomura, H Tanaka… - Nature …, 2014 - nature.com
Organic light-emitting diodes (OLEDs) employing thermally activated delayed fluorescence (TADF)
have emerged as cheaper alternatives to high-performance phosphorescent OLEDs …

Highly efficient blue electroluminescence based on thermally activated delayed fluorescence

…, N Nakamura, M Yasumatsu, H Nakanotani, Q Zhang… - Nature materials, 2015 - nature.com
Organic compounds that exhibit highly efficient, stable blue emission are required to realize
inexpensive organic light-emitting diodes for future displays and lighting applications. Here, …

Anthraquinone-based intramolecular charge-transfer compounds: computational molecular design, thermally activated delayed fluorescence, and highly efficient red …

Q Zhang, H Kuwabara, WJ Potscavage Jr… - Journal of the …, 2014 - ACS Publications
Red fluorescent molecules suffer from large, non-radiative internal conversion rates (k IC )
governed by the energy gap law. To design efficient red thermally activated delayed …

Triplet exciton confinement in green organic light‐emitting diodes containing luminescent charge‐transfer Cu (I) complexes

Q Zhang, T Komino, S Huang… - Advanced Functional …, 2012 - Wiley Online Library
The temperature dependence of luminescence from [Cu(dnbp)(DPEPhos)]BF 4 (dnbp = 2,9‐di‐n‐butylphenanthroline,
DPEPhos = bis[2‐(diphenylphosphino)phenyl]ether) in a poly(…

Design of efficient thermally activated delayed fluorescence materials for pure blue organic light emitting diodes

Q Zhang, J Li, K Shizu, S Huang, S Hirata… - Journal of the …, 2012 - ACS Publications
Efficient thermally activated delayed fluorescence (TADF) has been characterized for a
carbazole/sulfone derivative in both solutions and doped films. A pure blue organic light emitting …

Luminous butterflies: efficient exciton harvesting by benzophenone derivatives for full‐color delayed fluorescence OLEDs

SY Lee, T Yasuda, YS Yang, Q Zhang… - Angewandte Chemie …, 2014 - Wiley Online Library
Butterfly‐shaped luminescent benzophenone derivatives with small energy gaps between
their singlet and triplet excited states are used to achieve efficient full‐color delayed …

Determination of pyrolysis characteristics and kinetics of palm kernel shell using TGA–FTIR and model-free integral methods

Z Ma, D Chen, J Gu, B Bao, Q Zhang - Energy Conversion and …, 2015 - Elsevier
Palm kernel shell (PKS) from palm oil production is a potential biomass source for bio-energy
production. A fundamental understanding of PKS pyrolysis behavior and kinetics is …

Thermally activated delayed fluorescence (TADF) organic molecules for efficient X-ray scintillation and imaging

W Ma, Y Su, Q Zhang, C Deng, L Pasquali, W Zhu… - Nature materials, 2022 - nature.com
X-ray detection, which plays an important role in medical and industrial fields, usually relies
on inorganic scintillators to convert X-rays to visible photons; although several high-quantum-…

Enhanced electroluminescence efficiency in a spiro-acridine derivative through thermally activated delayed fluorescence.

G Méhes, H Nomura, Q Zhang… - … (International ed. in …, 2012 - europepmc.org
Make your OLED fluorescent: an aromatic molecule based on a spiro-acridine derivative
was designed, and its photoluminescence and electroluminescence were characterized. By …

Highly efficient organic light-emitting diode based on a hidden thermally activated delayed fluorescence channel in a heptazine derivative

J Li, T Nakagawa, J MacDonald, Q Zhang… - Solid-State and …, 2013 - opg.optica.org
Considerable progress in organic light-emitting diodes (OLEDs) has triggered intensive effort
to develop efficient solid-state electroluminescent (EL) materials over the past two decades…