Results 151 to 160 of about 5,436 (198)
Recent Progress in Photoresponsive Room-Temperature Phosphorescent Materials: From Mechanistic Insights to Functional Applications. [PDF]
MoleculesChen Y, Huang Y, Zeng Z, Luo G.
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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 +5 more
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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 +5 more
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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 ...
Jibiao Jin +9 more
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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 ...
Hengxin Shen +6 more
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Sonication‐Responsive Organic Afterglow Emulsions
Advanced Functional Materials, 2023AbstractIn contrast to their fluorescence counterparts, stimuli‐responsive organic afterglow materials display distinct advantages to function normally in the presence of strong fluorescence background. However, most of the stimuli‐responsive afterglow materials can only work in their solid states with those in aqueous medium being rarely reported.
Xinjian Deng +4 more
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Host Surface-Induced Excitation Wavelength-Dependent Organic Afterglow
Journal of the American Chemical Society, 2023The design and construction of organic afterglow materials is an attractive but formidably challenging task due to the low intersystem crossing efficiency and nonradiative decay. Here, we developed a host surface-induced strategy to achieve excitation wavelength-dependent (Ex-De) afterglow emission through a facile dropping process.
Zhongwei Man +7 more
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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 ...
Jiahui Liu +7 more
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Afterglow Organic Light‐Emitting Diode
Advanced Materials, 2015An afterglow organic light-emitting diode (OLED) that displays electroluminescence with long transient decay after it is turned off is demonstrated. This OLED exhibits blue and green dual emission originating from fluorescence and phosphorescence, respectively. A phosphorescence lifetime of 4.3 s is achieved.
Ryota, Kabe +3 more
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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.
Yaxian Xu +8 more
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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.
Yaxian Xu +8 more
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2017
Compared to inorganic materials, organic optoelectronic counterparts of carbon-based small molecules or polymers prepared by various organic and polymeric synthetic methods hold important and advisable features including reduced manufacturing costs, versatility of molecular structures and properties, and compatibility with a vast range of substrates ...
Suli Wu +3 more
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Compared to inorganic materials, organic optoelectronic counterparts of carbon-based small molecules or polymers prepared by various organic and polymeric synthetic methods hold important and advisable features including reduced manufacturing costs, versatility of molecular structures and properties, and compatibility with a vast range of substrates ...
Suli Wu +3 more
openaire +1 more source