Results 151 to 160 of about 2,030,406 (189)

Achieving Stimuli-Responsive Amorphous Organic Afterglow in Single-Component Copolymer through Self-Doping.

Journal of the American Chemical Society, 2023
The development of stimuli-responsive materials with afterglow emission is highly desirable but remains a formidable challenge in a single-component material system.
Huanhuan Li, Xudong Xue, Yang Cao, He Cheng, Ansheng Luo, Ningning Guo, Hui Li, Gaozhan Xie, Ye Tao, Runfeng Chen, Wei Huang   +10 more
semanticscholar   +1 more source

Dual-Mechanism Design Strategy for High-Efficiency and Long-Lived Organic Afterglow Materials.

Journal of the American Chemical Society
Organic room-temperature phosphorescence (RTP) and afterglow materials hold great potential for various applications, but there remain inherent trade-offs between the afterglow efficiency and the lifetime.
Guangming Wang, Xuefeng Chen, Ying Zeng, Xun Li, Xuepu Wang, Kaka Zhang   +5 more
semanticscholar   +1 more source

The organic ligands coordinated long afterglow phosphor

Materials Letters, 2007
Abstract The Eu 2+ activated strontium aluminates codoped by Dy 3+ coordinated by different ligands were synthesized. The coordination of ligands with SAO-ED was characterized by FT-IR spectra and XPS. The introduction of organic ligands didn't change the excitation and emission spectra of SAO-ED, and this was proved by spectrophotometer (F-4500 FL)
Suli Wu, Shufen Zhang, Yu Liu, Jinzong Yang   +3 more
openaire   +1 more source

Multilevel stimulus-responsive smart organic afterglow materials beyond crystal limitations: Aqueous-phase dual emission afterglow and upconversion afterglow under ultra-wide range excitation

Chinese Chemical Letters
Zenggang Lin, Peng Zhang, Yuzhu Yang, Weisheng Liu   +3 more
openaire   +2 more sources

Color-Tunable Dual-Mode Organic Afterglow for White-Light Emission and Information Encryption Based on Carbazole Doping.

Angewandte Chemie, 2023
Dual-mode emission materials, combining phosphorescence and delayed fluorescence, offer promising opportunities for white-light afterglow. However, the delayed fluorescence lifetime is usually significantly shorter than that of phosphorescence, limiting ...
Xianhe Zhang, Kok Chan Chong, Zongliang Xie, Bin Liu   +3 more
semanticscholar   +1 more source

Organic Afterglow Emitters for Visual Observation of Hydrogel Formation in Biomedical Systems

Advances in Materials
Biomedical hydrogels are integral to a wide range of applications, with their efficacy critically hinging on precise delivery and successful gelation at targeted sites.
Zhe Mo, Tengyue Wang, Qianqian Yan, Xiangxiang Zhai, Zhenkun Yan, Zhanpeng Zhang, Zhen Pan, Kaka Zhang   +7 more
semanticscholar   +1 more source

Realize efficient organic afterglow from simple halogenated acridan derivatives

Chemical Engineering Journal, 2021
Abstract Organic molecules with persistent room-temperature phosphorescence (RTP) have attracted considerable attention due to their broad applications, but typically suffered from low emission intensity and short lifetime. In this contribution, a twisted donor-acceptor (D-A) system by simple conjugation of acridan and aryl halide is proposed to ...
Xialei Lv, Xiaosong Cao, Han Wu, Hong Lin, Fan Ni, Hong Huang, Yang Zou, Chuluo Yang   +7 more
openaire   +1 more source

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

ACS Applied Materials and Interfaces, 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 ...
Longyan Zhang, Yishan Jin, Yike Wang, Wenjing Li, Zhenli Guo, Jingyu Zhang, Li Yuan, Chao Zheng, Youxuan Zheng, Runfeng Chen   +9 more
semanticscholar   +1 more source

Intense Organic Afterglow Enabled by Molecular Engineering in Dopant-Matrix Systems

ACS Applied Materials & Interfaces, 2021
We report intense dopant-matrix afterglow systems with an afterglow efficiency (ΦAG) of 47% and an afterglow lifetime (τAG) of 1.3 s. Luminescent difluoroboron β-diketonate (BF2bdk) dopants and their deuterated counterparts are designed with naphthalene and carboxylic acid groups. After doping into benzoic acid (BA) matrices, room-temperature afterglow
Xun Li, Guangming Wang, Jiuyang Li, Yan Sun, Xinjian Deng, Kaka Zhang   +5 more
openaire   +2 more sources

Ultralong MRTADF and Room‐Temperature Phosphorescence Enabled Color‐Tunable and High‐Temperature Dual‐Mode Organic Afterglow from Indolo[3,2‐b]carbazole

Advanced Functional Materials
Organic afterglow can be generated from persistent thermally activated delayed fluorescence (pTADF) or organic ultralong room temperature phosphorescence (OURTP), but the pTADF plus OURTP type organic afterglow is challenging to achieve, especially for ...
Lihua Xu, Hengshan Wei, Guohua Xie, Bingjia Xu, Jiang Zhao   +4 more
semanticscholar   +1 more source