Results 1 to 10 of about 2,030,406 (189)

Organic Afterglow Materials for Tumor Diagnosis and Therapy. [PDF]

Biosensors (Basel)
Organic afterglow nanoparticles (OANs) represent a unique class of optical materials capable of sustaining luminescence after excitation cessation. Owing to their exceptional design flexibility, tunable optical properties, and favorable biosafety profiles, OAN-based afterglow imaging has emerged as an advanced modality in tumor diagnosis and therapy ...
Chen X, Li B, Yin B, Xu D, Wang Y.
europepmc   +4 more sources

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

Chem 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

Enabling robust blue circularly polarized organic afterglow through self-confining isolated chiral chromophore. [PDF]

Nat Commun
Creating circularly polarized organic afterglow system with elevated triplet energy levels, suppressed non-radiative transitions, and effective chirality, which are three critical prerequisites for achieving blue circularly polarized afterglow, has posed
Zeng M, Wang W, Zhang S, Gao Z, Yan Y, Liu Y, Qi Y, Yan X, Zhao W, Zhang X, Guo N, Li H, Li H, Xie G, Tao Y, Chen R, Huang W.   +16 more
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Single-component color-tunable circularly polarized organic afterglow through chiral clusterization. [PDF]

Nat Commun, 2022
Circularly polarized organic afterglow (CPOA) with both long-lived room-temperature phosphorescence (RTP) and circularly polarized luminescence (CPL) is currently attracting great interest, but the development of multicolor-tunable CPOA in a single ...
Li H, Gu J, Wang Z, Wang J, He F, Li P, Tao Y, Li H, Xie G, Huang W, Zheng C, Chen R.   +11 more
europepmc   +2 more sources

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

Commun Chem
Organic room-temperature phosphorescence (RTP) has shown potential applications in the fields of biomedical imaging, chemical sensing, anti-counterfeiting, and encryption.
Wu K, Liu D, Zhu L, Wu T, Xu Y, He C, Xiong Y, Zhao Z, Tang BZ.   +8 more
europepmc   +2 more sources

Ultralong organic afterglow from small molecular host-guest materials: state of the art. [PDF]

Light Sci Appl
Ultralong organic afterglow materials are being actively explored as attractive candidates for a wide range of applications such as data storage, security inks, emergency lighting, etc., due to their unique long-lived excited state properties and ...
Xiao Y, Shen M, Chan CY, Yu T, Huang W.
europepmc   +2 more sources

Achieving Highly Robust Polymeric Microspheres with Efficient and Full-Color Organic Afterglow for 3D Printing and Anti-Counterfeiting. [PDF]

Adv Sci (Weinh)
In this work, highly robust polymer‐based luminescent microspheres with efficient and full‐color organic afterglow are developed for the first time. N‐phenylnaphthalen‐1‐amine, N‐phenylphenanthren‐9‐amine, and N‐phenyltriphenylen‐2‐amine are employed as ...
Hu P, Lang Y, Sun J, Wang L, Liang Z, Yang Z, Ma C, Luo M, Lin P, Li J, Zheng C, Shi G, Chi Z, Xu B.   +13 more
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Diboraanthracene-Doped Polymer Systems for Colour-Tuneable Room-Temperature Organic Afterglow. [PDF]

Angew Chem Int Ed Engl, 2023
AbstractOrganic ultralong room temperature phosphorescence (RTP), or organic afterglow, is a unique phenomenon, gaining widespread attention due to its far‐reaching application potential and fundamental interest. Here, two laterally expanded 9,10‐dimesityl‐dihydro‐9,10‐diboraanthracene (DBA) derivatives are demonstrated as excellent afterglow materials
Jovaišaitė J, Kirschner S, Raišys S, Kreiza G, Baronas P, Juršėnas S, Wagner M.   +6 more
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Enhanced Near-Infrared-Excitable Organic Afterglow Nanoparticles for Deep-Tissue Multimodal Imaging via Singlet Oxygen-Mediated Energy Transfer. [PDF]

Research (Wash D C)
Afterglow imaging offers exceptional signal-to-background ratios (SBRs) by circumventing real-time excitation and autofluorescence, yet conventional systems rely on visible-light excitation, limiting tissue penetration and signal intensity.
Yu Y, Li Z, Liao S, Yin B, Zhang Q, Fu J, Zhang C, Zhou Y, Song G.   +8 more
europepmc   +2 more sources

Direct Population of Triplet States for Efficient Organic Afterglow through the Intra/Intermolecular Heavy-Atom Effect. [PDF]

Molecules
Organic afterglow is a fascinating phenomenon with exceptional applications. However, it encounters challenges such as low intensity and efficiency, and typically requires UV-light excitation and facile intersystem crossing (ISC) due to its spin ...
Yuan J, Wang Y, Zhou B, Xie W, Zheng B, Zhang J, Li P, Yu T, Qi Y, Tao Y, Chen R.   +10 more
europepmc   +2 more sources