Results 161 to 170 of about 1,773,113 (206)
Enhanced Room-Temperature Phosphorescence from Carbon Dots Embedded in a Robust SiO<sub>2</sub> Matrix. [PDF]
ACS OmegaKoswatta ACWWMNP +6 more
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Deep excitation afterglow luminescent probes for biomedical applications. [PDF]
Chem SciHao Y +12 more
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Vertical substitution strategy to enable cooperation between spin-orbit coupling and transition dipoles for organic phosphorescence. [PDF]
Nat CommunHayashi K +3 more
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Angewandte Chemie - International Edition, 2021
AbstractWe report a highly efficient dopant‐matrix afterglow system enabled by TADF mechanism to realize afterglow quantum yields of 60–70 %, which features a moderate rate constant for reverse intersystem crossing (kRISC) to simultaneously improve afterglow quantum yields and maintain afterglow emission lifetime.
Xuepu Wang, Yan Sun, Xun Li
exaly +3 more sources
AbstractWe report a highly efficient dopant‐matrix afterglow system enabled by TADF mechanism to realize afterglow quantum yields of 60–70 %, which features a moderate rate constant for reverse intersystem crossing (kRISC) to simultaneously improve afterglow quantum yields and maintain afterglow emission lifetime.
Xuepu Wang, Yan Sun, Xun Li
exaly +3 more sources
Organic Afterglow Nanoparticles in Bioapplications
Chemistry - A European Journal, 2023AbstractOrganic afterglow nanoparticles are unique optical materials that emit light long after cessation of excitation. Due to their advantages of no need for real‐time light excitation, avoiding autofluorescence, low imaging background, high signal‐to‐background ratio, deep tissue penetration, and high sensitivity, afterglow imaging technology has ...
Guosheng Song
exaly +3 more sources
Manipulation of Organic Afterglow by Thermodynamic and Kinetic Control
Chemistry - A European Journal, 2021AbstractThe fabrication of room‐temperature organic phosphorescence and afterglow materials, as well as the transformation of their photophysical properties, has emerged as an important topic in the research field of luminescent materials. Here, we report the establishment of energy landscapes in dopant‐matrix organic afterglow systems where the ...
Xuepu Wang, Yan Sun, Kaka Zhang
exaly +3 more sources
Chemistry - A European Journal, 2023
AbstractIt remains challenging to fabricate highly‐efficient and long‐lived organic afterglow materials, especially in the case of red afterglow systems. Here we develop advanced charge transfer (CT) technology to boost afterglow efficiency and lifetimes in fluoranthene‐containing dopant‐matrix systems.
Kaka Zhang
exaly +3 more sources
AbstractIt remains challenging to fabricate highly‐efficient and long‐lived organic afterglow materials, especially in the case of red afterglow systems. Here we develop advanced charge transfer (CT) technology to boost afterglow efficiency and lifetimes in fluoranthene‐containing dopant‐matrix systems.
Kaka Zhang
exaly +3 more sources
Modulating Tri‐Mode Emission for Single‐Component White Organic Afterglow
Angewandte Chemie - International Edition, 2021AbstractAchieving single‐component white organic afterglow remains a great challenge owing to the difficulties in simultaneously supporting long‐lived emissions from varied excited states of a molecule for complementary afterglow. Here, an extraordinary tri‐mode emission from the radiative decays of singlet (S1), triplet (T1), and stabilized triplet ...
Wei Huang, Ye Tao, Runfeng Chen
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Achieving High Afterglow Brightness in Organic Dopant‐Matrix Systems
Advanced Optical Materials, 2021AbstractAfterglow brightness upon ceasing excitation represents an important parameter for afterglow material applications, while purely‐organic room‐temperature afterglow materials with high quantum yields, long emission lifetimes, and strong absorption capability, which are necessary to realize high afterglow brightness, remain rarely reported. Using
Yan Sun, Xun Li, Kaka Zhang
exaly +2 more sources
Intrinsic Narrowband Organic Afterglow
Chemistry of MaterialsNarrowband 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
Guangming Wang +8 more
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