Results 21 to 30 of about 1,677 (188)

Afterglow Carbon Dots: From Fundamentals to Applications

open access: yesResearch, 2021
The ability of carbon dots (CDs) to emit afterglow emission in addition to fluorescence in response to UV-to-visible excitation allows them to be a new class of luminescent materials.
Chenxi Peng   +7 more
doaj   +2 more sources

Intrinsic Narrowband Organic Afterglow

open access: yesChemistry of Materials
Narrowband organic afterglow materials show application in multiplexed bioimaging and others. However, materials featuring an intrinsic narrowband afterglow with an emission lifetime >100 ms remain elusive. We report a serendipitous finding of a chemical
Jiuyang Li (11773251)   +8 more
core   +2 more sources

Red-light-excited dynamic near-infrared organic afterglow materials for in vivo bioimaging [PDF]

open access: yesLight: Science & Applications
Extending the excitation and emission wavelengths into the red or even near-infrared region is a highly challenging yet scientifically valuable research topic in the field of organic afterglow materials.
Lei Zhou   +8 more
doaj   +2 more sources

Phosphine-mediated hydrogen bond and phosphorescence energy transfer for tunable chiroptical afterglow in stacked polymers [PDF]

open access: yesNature Communications
Polymer-doped chiral organic afterglow (COA) materials represent an emerging frontier in photonics, yet their development is constrained by weak hydrogen bond interactions and limited spectral diversity.
Zhisheng Gao   +15 more
doaj   +2 more sources

Full-color programmable high temperature afterglow polymers based on single-molecule emitters [PDF]

open access: yesNature Communications
High-temperature afterglow organic amorphous materials expand the operational temperature beyond traditional room-temperature phosphorescent materials, broadening their potential applications.
Zhuoran Xu   +6 more
doaj   +2 more sources

Recent progress in triplet energy transfer systems toward organic afterglow materials [PDF]

open access: yesCommunications Chemistry
Organic room-temperature phosphorescence (RTP) has shown potential applications in the fields of biomedical imaging, chemical sensing, anti-counterfeiting, and encryption.
Kaiwen Wu   +8 more
doaj   +2 more sources

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

open access: yesACS 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 ...
Xinjian Deng (11884977)   +5 more
core   +5 more sources

Tunable afterglow for mechanical self-monitoring 3D printing structures

open access: yesNature Communications
Self-monitoring materials have promising applications in structural health monitoring. However, developing organic afterglow materials for self-monitoring is a highly intriguing yet challenging task. Herein, we design two organic molecules with a twisted
Rongjuan Huang   +10 more
doaj   +2 more sources

Host–Guest Metal–Organic Frameworks-Based Long-Afterglow Luminescence Materials

open access: yesMolecules
Long-afterglow materials have a broad of applications in optoelectronic devices, sensors, medicine and other fields due to their excellent luminescent properties.
Zhi-Chen Zhang, Zhi-Gang Gu, Jian Zhang
doaj   +2 more sources

Mechanism landscape in pyrylium induced organic afterglow systems. [PDF]

open access: yesChem Sci, 2023
The afterglow mechanism varies from thermally activated delayed fluorescence through room temperature phosphorescence to organic long persistent luminescence by changing monomer types.
Wang G, Chen X, Li X, Zeng Y, Zhang K.
europepmc   +3 more sources

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