A5013882077- Luminescence and Fluorescent Materials
- Molecular Sensors and Ion Detection
- Perovskite Materials and Applications
- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Organic Light-Emitting Diodes Research
- Energetic Materials and Combustion
- Nanoplatforms for cancer theranostics
- Organic Electronics and Photovoltaics
- Conducting polymers and applications
- Thermal and Kinetic Analysis
- Advanced biosensing and bioanalysis techniques
- Combustion and Detonation Processes
- Porphyrin and Phthalocyanine Chemistry
- Click Chemistry and Applications
- Photochemistry and Electron Transfer Studies
- Crystallography and molecular interactions
- Advanced Biosensing Techniques and Applications
- Advanced Fluorescence Microscopy Techniques
- Advanced Photocatalysis Techniques
- Photoreceptor and optogenetics research
- Analytical Chemistry and Sensors
- 2D Materials and Applications
- Photochromic and Fluorescence Chemistry
- Supramolecular Chemistry and Complexes
Hainan University
2022-2025
East China University of Science and Technology
2025
Singapore University of Technology and Design
2017-2023
ORCID
2021
Chinese Academy of Sciences
2020
Dalian Institute of Chemical Physics
2020
Beijing Institute of Technology
2014-2019
Ministry of Education of the People's Republic of China
2015
Green Chemistry
2015
Shanxi Normal University
2012-2014
Abstract Development of novel strategies for achieving amorphous ultralong organic phosphorescence (UOP) at room temperature is highly desired. Herein, a simple approach reported by coassembling small molecules with polyvinyl alcohol (PVA) to afford UOP. These planar conformation present quenched triplet state emission in an excessive stacking solid state. When these PVA, their structures are well confined coassembly films. Such environment leads restricted molecular rotation and vibration,...
Abstract Inhibition of TICT can significantly increase the brightness fluorescent materials. Accurate prediction is thus critical for quantitative design high‐performance fluorophores and AIEgens. 14 types popular organic were modeled with time‐dependent density functional theory (TD‐DFT). A reliable generalizable computational approach modeling formations was established. To demonstrate power our approach, we quantitatively designed a boron dipyrromethene (BODIPY)‐based AIEgen which...
Insufficient brightness of fluorophores poses a major bottleneck for the advancement super-resolution microscopes. Despite being widely used, many rhodamine dyes exhibit sub-optimal due to formation twisted intramolecular charge transfer (TICT) upon photoexcitation. Herein, we have developed new class quaternary piperazine-substituted rhodamines with outstanding quantum yields (Φ = 0.93) and superior (ε × Φ 8.1 104 L·mol–1·cm–1), by utilizing electronic inductive effect prevent TICT. We also...
Photoinduced electron transfer (PET) is one of the most important mechanisms for developing fluorescent probes and biosensors. Quantitative prediction quantum yields these sensors crucial to accelerate rational development novel PET-based functional materials. Herein, we developed a general descriptor (ΔE) predicting yield PET probes, with threshold value ∼0.6 eV. When ΔE < eV, low (mostly <2%) due substantial activation in polar environments; when > high because inhibition PET. This simple...
Developing molecules with high emission efficiency both in solution and the solid state is still a great challenge, since most organic luminogens are either aggregation-caused quenching or aggregation-induced molecules. This dilemma was overcome by integrating planar distorted structures long alkyl side chains to achieve DAπAD type emitters. A linear diphenyl-diacetylene core charge transfer effect ensure considerable planarity of these excited state, allowing strong dilute (quantum yield up...
Heavy-atom-based photosensitizers usually exhibit shortened triplet-state lifetimes, which is not ideal for hypoxic tumor photodynamic therapy. Although several heavy-atom-free possess long the clinical applicability limited by their short excitation wavelengths, poor photon capture abilities, and intrinsically hydrophobic structures. Herein we developed a novel NIR photosensitizer design strategy introducing sterically bulky electron-rich moieties at meso position of pentamethine cyanine...
The tuning of vertical morphology is critical and challenging for organic solar cells (OSCs). In this work, a high open-circuit voltage (V
Perovskite solar cells (PSCs) with organic small molecules as hole transport materials (HTMs) have attracted considerable attention due to their power conversion efficiencies high 20%. In the present work, three new spiro-type spiro-cores, i.e. Spiro-F1, Spiro-F2 and Spiro-F3, are investigated by using density functional theory combined Marcus Einstein relation. Based on calculated experimental highest occupied molecular orbital (HOMO) levels of 30 reference molecules, an empirical equation,...
Viscosity in the intracellular microenvironment shows a significant difference various organelles and is closely related to cellular processes. Such microviscosity live cells often mapped quantified with fluorescent molecular rotors. To enable rational design of viscosity-sensitive rotors, it critical understand their working mechanisms. Herein, we systematically synthesized investigated two sets BODIPY-based rotors study relationship between intramolecular motions viscosity sensitivity....
Crystal-state luminophores have been of great interest in optoelectronics for years, whereas the excited state regulation at crystal level is still restricted by lack control ways. We report that singlet-triplet emissive property can be profoundly regulated conformational distortions. Employing fluoro-substituted tetrakis(arylthio)benzene as prototype, we found couples molecular conformations formed during different crystallizations. The deformable carbon-sulphur bond essentially drove...
Abstract Charge transfer and separation are important processes governing numerous chemical reactions. Fundamental understanding of these the underlying mechanisms is critical for photochemistry. Herein, we report discovery a new charge‐transfer process, namely twisted intramolecular charge shuttle (TICS). In TICS systems, donor acceptor moieties dynamically switch roles in excited state because an approximately 90° rotation. systems thus exhibit shuttling. TICSs exist several families...
Abstract Fluorescence-based technologies have revolutionized in vivo monitoring of biomolecules. However, significant technical hurdles both probe chemistry and complex cellular environments limited the accuracy quantifying these Herein, we report a generalizable engineering strategy for dual-emission anti-Kasha-active fluorophores, which combine an integrated fluorescein with chromene (IFC) building block donor-π-acceptor structural modification. These fluorophores exhibit invariant...
The hole mobility of transport materials is improved by the face-to-face packing mode, and phenyl an outstanding substituent group for improving mobility.
Small-molecule fluorophores enable the observation of biomolecules in their native context with fluorescence microscopy. Specific labeling via bio-orthogonal tetrazine chemistry combines minimal label size rapid kinetics. At same time, fluorogenic tetrazine–dye conjugates exhibit efficient quenching dyes prior to target binding. However, live-cell compatible long-wavelength strong fluorogenicity have been difficult realize. Here, we report close proximity distance between and fluorophore....
Abstract Materials exhibiting excitation wavelength‐dependent photoluminescence (Ex‐De PL) in the visible region have potential applications bioimaging, optoelectronics and anti‐counterfeiting. Two multifunctional, chiral [Au(NHC) 2 ][Au(CN) ] (NHC=(4R,5R)/(4S,5S)‐1,3‐dimethyl‐4,5‐diphenyl‐4,5‐dihydro‐imidazolin‐2‐ylidene) complex double salts display Ex‐De circularly polarized luminescence (CPL) doped polymer films ground powder. Emission maxima can be dynamically tuned from 440 to 530 nm...
Rhodamine spirolactams with adjacent amino groups work as acid-resistant and photoswitchable fluorophores in single-molecule localization super-resolution imaging.
Abstract Intramolecular charge transfer (ICT) is a fundamental mechanism that enables the development of numerous fluorophores and probes for bioimaging sensing. However, electron-withdrawing targets (EWTs)-induced fluorescence quenching long-standing unsolved issue in ICT fluorophores, significantly limits widespread applicability. Here we report simple generalizable structural-modification completely overturning intramolecular rotation driving energy, thus fully reversing fluorophores’...
Aggregation-induced emission (AIE) nanoparticles have been widely applied in photodynamic therapy (PDT) over the past few years. However, amorphous nanoaggregates usually occur their preparation, resulting loose packing with disordered molecular structures. This still allows free intramolecular motions, thus leading to limited brightness and PDT efficiency. Herein, we report deep-red AIE nanocrystals (NCs) of DTPA-BS-F by following facile method nanoprecipitation. It is observed that NCs...
Abstract Bioorthogonal fluorogenic dyes are indispensable tools in wash‐free bioimaging of specific biological targets. However, the fluorogenicity existing tetrazine‐based bioorthogonal probes deteriorates as emission wavelength shifts towards NIR window, greatly limiting their applications live cells and tissues. Herein, we report a generalizable molecular design strategy to construct ultra‐fluorogenic via simple substitution at meso ‐positions various far‐red fluorophores. Our demonstrate...
The signal-to-noise ratio (SNR) is one of the key features a fluorescent probe and that often defines its potential utility for in vivo labeling analyte detection applications. Here, it reported introducing pyridine group into traditional cyanine-7 dyes an asymmetric manner provides series tunable NIR (Cy-Mu-7) characterized by enhanced Stokes shifts (≈230 nm) compared to parent cyanine 7 dye (<25 nm). observed shift increase ascribed symmetry breaking Cy-Mu-7 core reduction extent...