Results 61 to 70 of about 1,677 (188)

High-Quality Circularly Polarized Organic Afterglow from Nonconjugated Amorphous Chiral Copolymers

, 2023
Organic materials featuring circularly polarized luminescence (CPL) and/or afterglow emission represent an active research frontier with promising applications in various fields, but the achievement of high-performance CPL organic afterglow (CPOA ...
Yike Wang (682796), Jingyu Zhang (256203), Runfeng Chen (1688656), Yishan Jin (11334174), Li Yuan (102305), Longyan Zhang (554911), Youxuan Zheng (1593154), Chao Zheng (728465), Wenjing Li (198063), Zhenli Guo (17125384)   +9 more
core   +1 more source

A narrow-band deep-blue MRTADF-type organic afterglow emitter

Chemical Communications, 2023
Narrow-band MRTADF-type organic afterglow materials with emission lifetime > 100 ms, FWHM < 40 nm, and deep-blue emission of CIEy at 0.048 have been achieved.
Guangming Wang, Shuhui Ding, Jiuyang Li, Zi Ye, Wen Xia, Xuefeng Chen, Kaka Zhang   +6 more
openaire   +2 more sources

Changing a Winning Team—Replacement of Brominated Flame Retardant and Antimony Trioxide in Acrylonitrile–Butadiene–Styrene

Journal of Applied Polymer Science, EarlyView.
This comprehensive study investigates reducing the amount of brominated flame retardant (Br) and/or antimony trioxide (ATO) in acrylonitrile–butadiene–styrene. Therefore, condensed‐phase flame‐retardant mechanisms are introduced into the flame‐inhibition system.
Sebastian M. Goller, Bernhard Schartel, Simone Krüger   +2 more
wiley   +1 more source

A Facile Strategy for Achieving Polymeric Afterglow Materials with Wide Color-Tunability and Persistent Near-infrared Luminescence

, 2023
Polymeric afterglow materials with wide color-tunability, efficient near-infrared (NIR) luminescence, and good water solubility are highly desired in various applications but are rarely reported.
YU, XIONG, Deliang, Wang, Yiwen, Pan, Zheng, Zhao, Dong, Wang, Ben, Tang, Keyao, Chen   +6 more
core   +1 more source

Boosting Organic Long Persistent Luminescence by Enhancing Charge Separation Processes in Three‐Component Systems

Advanced Science
Organic long persistent luminescence (OLPL) materials feature power law emission decay and minutes‐/hours‐long afterglow durations because of retarded charge recombination.
Zi Ye, Wen Xia, Guangming Wang, Guoyi Wu, Hongxin Gao, Biao Xu, Kaka Zhang   +6 more
doaj   +1 more source

Asymmetric Diphosphane Dioxides With A–π–A–π’–D Scaffolds for High‐Purity Deep‐Blue Luminescence

Chemistry – A European Journal, EarlyView.
Diphosphane dioxide‐based luminophores with donor–π–acceptor– π’–acceptor scaffold enable efficient deep‐blue emission from tunable charge‐transfer states affording high photoluminescence up to 95%. OLEDs reach EQE 4.9%, aided by triplet–triplet annihilation, highlighting a practical route to high‐performance blue emitters.
Eetu Hakkarainen, Zong‐Ying Liu, Jhon Sebastian Oviedo Ortiz, Nicolas Vanthuyne, Jeanne Crassous, Ondřej Mrózek, Fabien B. L. Cougnon, Wen‐Yi Hung, Pi‐Tai Chou, Igor O. Koshevoy, Andrey Belyaev   +10 more
wiley   +1 more source

Matrix‐Free Afterglow Carbon Dots: Synthetic Strategies, Luminescence Mechanisms, and Emerging Applications

Carbon Innovation, EarlyView.
This review systematically elucidates the luminescence mechanism, synthesis methods of matrix‐free afterglow carbon dots, and their application progress in information encryption, light‐emitting diodes, sensing, bioimaging, and tumor treatment, and finally, discusses the current challenges and future development directions. ABSTRACT Afterglow materials,
Yupeng Liu, Xiangxin Sun, Zhiqi Cai, Hanyi Zhang, Yiming Hao, Songnan Qu   +5 more
wiley   +1 more source

Lead‐free halide perovskites for efficient light‐emitting devices

FlexMat, EarlyView.
Overview of Lead‐free metal halide perovskites with different categories and optoelectronic application directions, including solid‐state lighting, light‐emitting diodes, piezoluminescence, flexible electronics, scintillators and CPL emitters. Abstract Lead halide perovskites exhibit promising optoelectronic properties for optoelectronic applications ...
Yueqi Shen, Kefan Meng, Yiqi Zhao, Chaoran Zhou, Jiaye Shu, Di Zhang, Chengqian Cao, Wanxin Chen, Yefeng Zhou, Weihua Ning   +9 more
wiley   +1 more source

Body‐integrated photonic biosensors: Illuminating the path to active healthcare

FlexMat, EarlyView.
Body‐integrated photonic biosensors are promising tools for active healthcare. These optical devices can be worn, implanted, or swallowed to monitor health signals continuously. This review introduces key sensing modalities, including fluorescence, colorimetry, SPR, LSPR, SERS, and light‐modulating materials.
Jiayue Gu, Xingming Wen, Qihang Yan, Yining Zhao, Linghao Yuan, Siyuan Chen, Yue Ma, Zhengyue Fang, Dong Lei, Yuxin Liu, Ze Xiong   +10 more
wiley   +1 more source

Dopant-Matrix Afterglow Systems: Manipulation of Room-Temperature Phosphorescence/Thermally Activated Delayed Fluorescence Afterglow Mechanism via Mismatch/Match of Intermolecular Charge Transfer between Dopants and Matrices

, 2023
Dopant-matrix organic afterglow materials exhibit ease of fabrication and intriguing functions in diverse fields. However, a deep and comprehensive understanding of their photophysical behaviors remains elusive.
Jiuyang Li (11773251), Kaka Zhang (1721956), Qianqian Yan (4479328), Zhe Mo (12238022), Guangming Wang (3051711)   +4 more
core   +1 more source