Results 111 to 120 of about 9,229,760 (269)

Chiral perovskites for next‐generation chiral optoelectronics and spintronics

FlexMat, EarlyView.
Benefiting from structural inversion symmetry breaking and strong spin‐orbit coupling, chiral perovskites possess intriguing chiral optical and spin properties. We overview their advances and core applications in perovskite solar cells, circularly polarized light detectors and spin circularly polarized‐light‐emitting diodes, offering great potential ...
Mengyao Zhang, Rui Xu, Xueyan Hou, Sihan Du, Mengting Xu, Jia Wu, Zhichao Lin, Pei Liu, Qiang Zhuang, Xiaoming Zhao, Yang Yang, Wenda Shi, Wanlin Guo, Jie Kong   +13 more
wiley   +1 more source

Surface Microstructure Enhanced Cryogenic Infrared Light Emitting Diodes for Semiconductor Broadband Upconversion

Nanomaterials
Broadband upconversion has various applications in solar photovoltaic, infrared and terahertz detection imaging, and biomedicine. The low efficiency of the light-emitting diodes (LEDs) limits the broadband upconversion performance.
Peng Bai, Hanbin Wang, Rongrong Lv, Yi Wang, Yinqiao Li, Shangjie Han, Jiaxuan Cai, Ning Yang, Weidong Chu, Yan Xie, Meng Chen, Yingxin Wang, Ziran Zhao   +12 more
doaj   +1 more source

Deep red to near‐infrared thermally activated delayed fluorescence conjugated polymers toward highly efficient solution‐processible deep red and near‐infrared organic light‐emitting diodes

FlexMat, EarlyView.
A series of deep red (DR) and near‐infrared (NIR) thermally activated delayed fluorescence conjugated polymers are prepared, their solution‐processible organic light‐emitting diodes exhibit DR emission with maximum external quantum efficiency (EQEmax) of 6.4%, high luminance of 4254 cd m−2 and emission peak at 678 nm, and a NIR device with EQEmax of 2 ...
Tao Wang, Hongyang Zhang, Liping Jin, Peng Tao, Yanxiang Cheng, Wai‐Yeung Wong   +5 more
wiley   +1 more source

Contact Resistance Increase in Ga-Doped Silicon Solar Cells at Current Injection and Elevated Temperature Treatments

SiliconPV Conference Proceedings
PERC solar cells based on Gallium p-type doping were treated at elevated temperatures in the range of 80…160°C and current injection. Current injection is conducted in a current-induced degradation (CID) setup in the dark, measuring voltage while ...
Matthias Müller, Mahsa Mohammadi, August Weber, Jonas Kern, Matthias Trempa, Thomas Buck, Johannes Heitmann   +6 more
doaj   +1 more source

Flexible plasma‐sintered transparent conducting electrodes fabricated from particle free gold inks

FlexMat, EarlyView.
Thin gold electrodes fabricated via particle free metal organic decomposition inks provide a promising alternative to indium tin oxide for flexible devices. Low temperature plasma sintering enables compatibility with polymer substrates while maintaining transparency and sufficient electrical conductivity for optoelectronic applications.
Michael Hengge, Felix Hermerschmidt, Nicolas Fratzscher, Konstantin Livanov, Natalia Zamoshchik, Emil J. W. List‐Kratochvil   +5 more
wiley   +1 more source

PCMBA-YOLO: Pinwheel Convolution and Multi-Branch Aided FPN with Shape-IoU for Electroluminescence Defect Detection in Semiconductor Laser Chips

Photonics
To ensure that laser chips meet stringent reliability standards in practical applications, comprehensive limit testing and reliability verification must be performed before deployment.
Jue Wang, Feng Tian, Chuanji Yan, Jianwei Zhou, Jing Zhang, Hualei Shi   +5 more
doaj   +1 more source

Recent progress and challenges in top‐emitting quantum dot light‐emitting diodes

FlexMat, EarlyView.
This review summarizes recent advances in top‐emitting quantum‐dot light‐emitting diodes (TE‐QLEDs), including device architectures, microcavity engineering, angular‐emission management, and operational stability, highlighting optical–electrical–thermal co‐optimization as the key pathway toward reliable, high‐performance TE‐QLEDs. Abstract Top‐emitting
Chengyi Chen, Yuqi Liang, Mian Wei, Qiulei Xu, Huimin Zhang, Zhenghui Wu, Huaibin Shen   +6 more
wiley   +1 more source

Spatiotemporal engineering of dynamic color in alternating‐current‐driven light‐emitting devices

FlexMat, EarlyView.
This review presents a mechanism‐driven framework for spectral tuning in alternating‐current‐driven light‐emitting devices, systematically integrating emissive center engineering, device architecture design, and driving signal modulation. By linking microscopic carrier dynamics and electric‐field‐charge interactions with macroscopic spectral evolution,
Yuyue Yang, Chenhao Li, Jinyang Li, Fanglong Yuan   +3 more
wiley   +1 more source

A Review on the Synthetic Methods for the BODIPY Core

Compounds
Boron-dipyrromethene (BODIPY) has attracted extensive research attention in recent years due to its excellent photophysical properties, good chemical stability, and structural tunability, demonstrating broad application in fields such as fluorescence ...
Ruihan Yang, Hao Guan, Jiayan Jin, Tianran Zheng, Limin He, Yongli Zhang, Luyan Tian, Jianfei Wang, Xiangguang Li   +8 more
doaj   +1 more source

Recent advances in chiral organic room‐temperature phosphorescence with circularly polarized luminescence

FlexMat, EarlyView.
This review systematically summarizes representative recent advances in organic circularly polarized room‐temperature phosphorescence materials toward optoelectronic and information security applications. Abstract Circularly polarized room‐temperature phosphorescence (CPRTP) materials combine the dual advantages of long‐lived triplet emission and ...
Liang Zhang, Ming‐Jun Ji, Chuan‐Feng Chen   +2 more
wiley   +1 more source