Results 91 to 100 of about 17,940 (246)

Novel transport materials for high performance OLEDs

, 2022
S.431-434We show that efficiency, voltage and lifetime cannot be optimized simultaneously in blue fluorescent OLEDs. With novel ETMs, any desired trade-off In performance can be obtained. In an optimized system, 8.5% EQE were achieved.
Mujica, T., Böhm, E., Flämmich, M., Busing, A., Fortte, R., Heil, H., Pflumm, C., Voges, F., Parham, A.   +8 more
core   +1 more source

Single-crystalline hole-transporting layers for efficient and stable organic light-emitting devices

Light: Science & Applications
Efficient charge-carrier injection and transport in organic light-emitting devices (OLEDs) are essential to simultaneously achieving their high efficiency and long-term stability.
Gao-Da Ye, Ran Ding, Su-Heng Li, Lei Ni, Shu-Ting Dai, Nian-Ke Chen, Yue-Feng Liu, Runda Guo, Lei Wang, Xian-Bin Li, Bin Xu, Jing Feng   +11 more
doaj   +1 more source

Isosorbide‐Based Optically Clear Adhesives With Ultrahigh Transparency and Rapid Strain Recovery for Flexible Displays

Advanced Science, EarlyView.
Biomass‐derived isosorbide‐based PUDA crosslinker enables optically clear adhesives with ultrahigh transparency (99.8%), rapid strain recovery, and stable adhesion for flexible displays. ABSTRACT Flexible and foldable displays require optically clear adhesives (OCAs) that combine ultrahigh optical transparency with mechanical resilience under repeated ...
Yoonji Choi, Geonwoo Lee, Yeonseo Kim, Dahyun Jin, Jinhoon Lee, Ki Sung Jung, Dong Woo Kim, Myung‐Jin Baek, Dong Woog Lee   +8 more
wiley   +1 more source

Precisely Regulating 2.45 s Pure Blue Room‐Temperature Phosphorescence via Supramolecular Coordination

Advanced Science, EarlyView.
Herein, a pure deep blue room‐temperature phosphorescence (415 nm) with lifetime up to 2.45 s is successfully achieved by a covalently crosslinking purely organic material based on boric acid (BA) and 3,5‐dicarboxyphenylboronic acid (BOP) through a simple dehydration reaction, which can be adjusted precisely by supramolecular coordination with ...
Jun Wang, Xingting Que, Zhiming Chen, Jingsheng Zhang, Wei‐Lei Zhou, Wen‐Wen Xu   +5 more
wiley   +1 more source

Adaptive Conductive Systems: Enabling Deformable Electronics Through Engineered Materials, Circuits, and Intelligent Systems

Advanced Science, EarlyView.
This review presents the research advances of adaptive conductive systems from the perspective of materials, circuits, systems, and applications. Deformable conductors consist of substrates/matrices and conductive materials, structural design of circuit interconnections, fabrication of circuit interconnections, as well as intelligent systems ...
Yufei Lu, Siyu Liang, Jingyi Niu, Jie Chen, Shuo Zhang, Hongjian Zhang, Dongsheng Jia, Wei Huang   +7 more
wiley   +1 more source

High-performance full-color afterglow organic light-emitting diodes with tri-mode emission and efficient energy transfer

npj Flexible Electronics
Afterglow organic light-emitting diodes (OLEDs) with persistent emission after switching off the applied voltage have garnered extensive attention recently, but the available organic afterglow materials for electroexcitation remains rare, along with low ...
Dongyue Cui, Zhiwen Xu, Jingyu Zhang, Zhenli Guo, Peng Zhang, Chang Zeng, Shuhong Li, Yunlong Liu, Wenjun Wang, Hailin Qiu, Chao Zheng, Wei Huang, Runfeng Chen   +12 more
doaj   +1 more source

Real-time voltage controlled color tunable OLEDs

, 2007
Using the rare-earth and phosphorescent materials, voltage-controlled color tunable OLEDs has been achieved. The mechanisms of color-tuning have been investigated.
Wallace C.H. Choy, Choy, WCH, Liang, CJ, C.J. Liang, Zhang, HM, H.M. Zhang   +5 more
core   +1 more source

Asymmetric Fluorinated Spiro Hole‐Transport Materials Enabled by a Rapid Core‐Forming Strategy for Blade‐Coated Perovskite Solar Cells

Advanced Science, EarlyView.
Facile synthesis of asymmetric fluorinated spiro‐type HTMs combined with blade‐coating fabrication and vacuum‐assisted crystallization enables high‐efficiency PSCs with PCEs of 24.49% (0.09 cm2) and 23.28% (1.00 cm2), along with excellent stability.
Kun‐Mu Lee, Xiu‐Ping Lin, Ya‐Ho Chang, Cheng‐Ting Tsai, Pei‐Chen Chu, Yu‐Hsun Chen, Wei‐Hao Chiu, Yu‐Che Lin, Sie‐Rong Li, Hsiao‐Chi Hsieh, Kang‐Ling Liau, Shih‐I. Lu, Chih‐Min Wang, Yan‐Duo Lin   +13 more
wiley   +1 more source

Selenophene π‐Core Fusion for Simultaneous Fast Reverse Intersystem Crossing and Narrowband Long‐Wavelength TADF

Angewandte Chemie, EarlyView.
Dibenzo[b,d]selenophene (DBSe) π‐core fusion enables rapid triplet–singlet interconversion while preserving the narrowband emission features of multi‐resonance thermally activated delayed fluorescence (MR‐TADF) luminogens. Combined with peripheral donor engineering, this strategy enables systematic emission tuning from green to red, leading to highly ...
Jingpeng Zhang, Jun Hyeon Lee, Guanting Liu, Tatsuya Mori, Takuma Yasuda   +4 more
wiley   +2 more sources

Purely organic room temperature phosphorescent materials toward organic light‐emitting diodes

FlexMat
Purely organic room temperature phosphorescence (RTP) materials have shown broad application prospects in organic light‐emitting diodes (OLEDs) due to their theoretical 100% exciton utilization, cost‐effectiveness, and flexibility.
Hui Li, Cheng Chen, Zongji Ye, Kai Feng, Jiani Huang, Gaozhan Xie, Ye Tao   +6 more
doaj   +1 more source