Results 81 to 90 of about 1,343 (167)

A biomimetic phosphor that can build a rigid microenvironment for its long-lived afterglow in aqueous medium

Communications Chemistry
Organic phosphorescent materials have great prospects for application, whose performance particularly depends on the preparation method. Inspired by nature’s wisdom, we report a phosphor that can utilize monomers in its environment by polymerization to ...
Yuming Su, Guangming Wang, Boyi Fu, Xixi Piao, Kaka Zhang   +4 more
doaj   +1 more source

Room-temperature phosphorescent transparent wood

Nature Communications
Transparent wood with high transmittance and versatility has attracted great attention as an energy-saving building material. Many studies have focused on luminescent transparent wood, while the research on organic afterglow transparent wood is an ...
Xixi Piao, Tengyue Wang, Xuefeng Chen, Guangming Wang, Xiangxiang Zhai, Kaka Zhang   +5 more
doaj   +1 more source

Acidity-activatable upconversion afterglow luminescence cocktail nanoparticles for ultrasensitive in vivo imaging

Nature Communications
Activatable afterglow luminescence nanoprobes enabling switched “off-on” signals in response to biomarkers have recently emerged to achieve reduced unspecific signals and improved imaging fidelity.
Yue Jiang, Min Zhao, Jia Miao, Wan Chen, Yuan Zhang, Minqian Miao, Li Yang, Qing Li, Qingqing Miao   +8 more
doaj   +1 more source

Photooxidation triggered ultralong afterglow in carbon nanodots

Nature Communications
It remains a challenge to obtain biocompatible afterglow materials with long emission wavelengths, durable lifetimes, and good water solubility. Herein we develop a photooxidation strategy to construct near-infrared afterglow carbon nanodots with an ...
Guang-Song Zheng, Cheng-Long Shen, Chun-Yao Niu, Qing Lou, Tian-Ci Jiang, Peng-Fei Li, Xiao-Jing Shi, Run-Wei Song, Yuan Deng, Chao-Fan Lv, Kai-Kai Liu, Jin-Hao Zang, Zhe Cheng, Lin Dong, Chong-Xin Shan   +14 more
doaj   +1 more source

Colorful Room‐Temperature Phosphorescence Including White Afterglow from Mechanical Robust Transparent Wood for Time Delay Lighting

Small Structures
The preparation of mechanical robust organic room‐temperature phosphorescence (RTP) materials especially with white afterglow is attractive but rarely reported.
Zequan Lü, Qian Gao, Meichao Shi, Zhenhua Su, Gegu Chen, Haisong Qi, Baozhong Lü, Feng Peng   +7 more
doaj   +1 more source

Fluorine-induced aggregate-interlocking for color-tunable organic afterglow with a simultaneously improved efficiency and lifetime. [PDF]

Chem Sci, 2021
Li H, Li H, Gu J, He F, Peng H, Tao Y, Tian D, Yang Q, Li P, Zheng C, Huang W, Chen R.   +11 more
europepmc   +1 more source

Visible‐Light‐Activated Multi‐Color Tunable Time‐Dependent Afterglow Triggered by Variable Conjugation Effects via the Transformation of Matrix

Advanced Science
Achieving multi‐color tunable time‐dependent afterglow color (TDAC) in pure organic materials under visible light excitation remains a significant challenge.
Hongpu Xin, Yunze Huang, Weibo Zhang, Peng Li, Huanrong Li   +4 more
doaj   +1 more source

Recent Advances in Thermally Activated Delayed Fluorescence‐Based Organic Afterglow Materials

Small Methods
AbstractThermally activated delayed fluorescence (TADF)‐based materials are attracting widespread attention for different applications owing to their ability of harvesting both singlet and triplet excitons without noble metals in their structures.
Yuyu Sun, Leiying Wu, Liangliang Zhu, Glib V. Baryshnikov, Fan Zhang, Xuping Li   +5 more
openaire   +3 more sources

Shaping the Afterglow of Indolo[3, 2‐b]Carbazoles via Modulating Intersystem Crossing (ISC/rISC) and Phosphorescence Rates

Aggregate
The development and modulation of dual‐mode organic afterglows, which integrate persistent thermally activated delayed fluorescence (pTADF) and room‐temperature phosphorescence (pRTP), remain challenging.
Jiang Zhao, Lihua Xu, Ye Meng, Bingjia Xu, Hang Cong   +4 more
doaj   +1 more source

Study on the Influence of Host–Guest Structure and Polymer Introduction on the Afterglow Properties of Doped Crystals

Molecules
Due to their low cost, good biocompatibility, and ease of structural modification, organic long-persistent luminescence (LPL) materials have garnered significant attention in organic light-emitting diodes, biological imaging, information encryption, and ...
Wenhui Feng, Zongyong Lou, Xiaoqiang Zhao, Mingming Zhao, Yaqin Xu, Yide Gao   +5 more
doaj   +1 more source