A5035658263- Covalent Organic Framework Applications
- Metal-Organic Frameworks: Synthesis and Applications
- Advanced Photocatalysis Techniques
- Crystallization and Solubility Studies
- X-ray Diffraction in Crystallography
- Electromagnetic wave absorption materials
- Advanced Battery Materials and Technologies
- Advancements in Battery Materials
- Sulfur-Based Synthesis Techniques
- Chemical Synthesis and Reactions
- Luminescence and Fluorescent Materials
- Advanced Antenna and Metasurface Technologies
- Metamaterials and Metasurfaces Applications
- Free Radicals and Antioxidants
- Gas Sensing Nanomaterials and Sensors
- Fuel Cells and Related Materials
- Electrocatalysts for Energy Conversion
- Conducting polymers and applications
- Electron Spin Resonance Studies
- Organic and Molecular Conductors Research
- Synthesis and Catalytic Reactions
- Organoselenium and organotellurium chemistry
- Catalytic C–H Functionalization Methods
- Advanced Breast Cancer Therapies
- MicroRNA in disease regulation
Chinese Academy of Sciences
2025
Shanghai Institute of Organic Chemistry
2025
Nanjing University of Science and Technology
2020-2024
The First Affiliated Hospital, Sun Yat-sen University
2014-2024
Sun Yat-sen University
2014-2024
Shenyang University of Chemical Technology
2024
Lanzhou University
2023
Henan University
2017-2019
Zhengzhou University
2017-2018
North Dakota State University
2008
The connectivity of building units for 3D covalent organic frameworks (COFs) has long been primarily 4 and 6, which have severely curtailed the structural diversity COFs. Here we demonstrate successful design synthesis a porphyrin based, 8-connected block with cubic configuration, could be further reticulated into an unprecedented interpenetrated pcb topology by imine condensation linear amine monomers. This study presents first case high-connectivity bearing nodes, thus greatly enriching...
Abstract Due to the structural complexity and limited controllability of conventional microwave‐absorption materials (MAMs), precise regulation atomically‐resolved structures properties MAMs remains a significant challenge. The interpretation dielectric loss mechanism is usually conduction polarization losses, while absence components‐regulated template further hinders disclosure mechanism. Herein, based on customizable functionality MOF platform, series pristine bimetallic MOFs with...
It has been a long-standing challenge to design and fabricate high Li+ conductive polymer electrolytes at the atomic level with superior thermal stability for solid-state lithium-ion batteries. Covalent organic frameworks (COFs) tailor-made 1D nanochannels provide potential pathway fast ion transport, but it remains elusive. In this work, three crystalline thiophene-based imine-linked COFs were constructed explored as Li+-conducting composite by doping ionic liquids into their nanochannels....
We propose a dynamic covalent chemistry (DCC)-induced linker exchange strategy for the structural transformation between organic frameworks (COFs) and cages first time. Studies have shown that COF-to-cage cage-to-COF transformations were realized by using borate bonds imine bonds, respectively, as linkages. Self-sorting experiments suggested COFs are thermodynamic minimum compounds. This research builds bridge discrete polymeric scaffolds broadens knowledge of materials porous science.
By virtue of visible light absorption ability, the energy band structure and electronic affinity covalent organic frameworks can be easily tuned at molecular level, making them attractive photocatalysts for metal-free transformation.
Photoelectrochemical (PEC) organic transformations occurring at anodes are a promising strategy for circumventing the sluggish kinetics of oxygen evolution reaction. Here, we report free radical-mediated reaction instead direct hole transfer solid/liquid interface PEC oxidation benzyl alcohol (BA) to benzaldehyde (BAD) with high selectivity. A bismuth vanadate (BiVO4) photoanode coated 2,2'-bipyridine-based covalent framework bearing single Ni sites (Ni-TpBpy) was developed drive...
Electrically conductive metal-organic frameworks (cMOFs) have garnered significant attention in materials science due to their potential applications modern electrical devices. However, achieving effective modulation of conductivity has proven be a major challenge. In this study, we successfully prepared cMOFs with high by incorporating electron-donating fused thiophen rings the and extending π-conjugated systems through ring-closing reactions. The can precisely modulated ranging from 10
Organosulfides have great significance and value in synthetic biological chemistry. To establish a versatile green methodology for C–S bond generation, we successfully developed new aerobic cross-dehydrogenative coupling of C–H S–H to synthesize aryl sulfides water, utilizing CoPcS as the catalyst O2 oxidant. This protocol shows tolerance wide range substrates. A large variety organosulfur compounds were produced modest excellent yields.
Abstract Catalytic syntheses of organic sulfenamides and disulfides have great significance value in synthetic chemistry bioscience. To establish a versatile efficient technology for such reactions, an aerobic oxidative coupling method the formation S−N S−S bonds, using TEMPO as catalyst O 2 oxidant, has been successfully developed. Reactions showed good tolerance toward various amines thiols. Sulfenamides were produced up to 99 % yield, while formed 97 yield one‐pot syntheses. Activation...
The design and synthesis of stable porous materials capable removing both hard soft metal ions pose a significant challenge. In this study, novel metal–organic framework (MOF) adsorbent named CdK-m-COTTTB was developed. This MOF material constructed using sulfur-rich m-cyclooctatetrathiophene-tetrabenzoate (m-H4COTTTB) as the organic ligand oxygen-rich bimetallic clusters inorganic nodes. incorporation base units within structure enables effective removal various heavy ions, including acid...
Poly(ethylene glycol) (PEG)-derived electrolytes can promote not only conduction of lithium ions but also that anions. To avoid anion and increase the Li-ion transference number, we propose a new concept utilizes crowded space to restrict movement. Branched PEG chains with different lengths were covalently grafted into pore surface covalent organic frameworks (COFs) construct nanochannels. After incorporating LiTFSI, COF longer achieves an ionic conductivity 1.5 × 10–3 S cm–1 at 200 °C...
Despite significant advancements in the use of composite materials derived from metal-organic frameworks (MOFs) for electromagnetic wave absorption, inherent shielding properties MOFs remain challenging to achieve. This...
On the basis of three new building blocks, dithieno[3,2- b:2',3'- d]selenophene ( tt-DTS), diseleno[3,2- d]thiophene tt-DST), and tt-DSS), four thiophene- selenophene-based heteroacenes (3a-d) with up to seven fused rings were designed synthesized. Another two (1 2) five prepared. The molecular structures 1, 2, 3a, 3c confirmed by single-crystal analysis. results showed that structures, spectroscopy features, cyclic voltammetry behaviors could be modulated changing heteroatoms from sulfur...
New building blocks, 2,5-di(trimethylsilanyl)diseleno[2,3-b:3′,2′-d]selenophene ((TMS)2-DSS) and 2,5-di(trimethylsilanyl)diseleno[2,3-b:3′,2′-d]thiophene ((TMS)2-DST), for helicenes were obtained from selenophene with total yields of 54 61%. From (TMS)2-DSS (TMS)2-DST, selenophene-based hetero[7]helicenes, 5,5′-di(trimethylsilanyl)benzo[1,2-b:3,4-b′]bis(diseleno[2,3-b:3′,2′-d]thiophene) (rac-1), 5,5′-di(trimethylsilanyl)benzo[1,2-b:3,4-b′]bis(diseleno[2,3-b:3′,2′-d]selenophene) (rac-2)...
Lithium–sulfur batteries (LSBs), as very promising lithium-ion batteries, have received widespread attention from researchers. However, the low conductivity of sulfur in lithium and significant volume expansion during charging discharging seriously affect high rate performance battery, hindering its practical application. In this study, we designed bifunctional 3D covalent organic frameworks (COFs) with interconnected nanostructures catalytic activity by connecting flexible cycloocta...
Three fully conjugated 3D COFs with dia and pts topologies have been constructed from saddle-like cyclooctatetrathiophene (COTh) as π-conjugated tetrahedral node.
The design and synthesis of three-dimensional (3D) covalent organic frameworks (COFs) with exceptional stability high proton conductivity are critical for advancing high-temperature fuel cells but remain significant challenges. In...
An efficient and versatile Pd-catalyzed tandem C-N bond formation between aryl halides primary amines is developed. The transformation allows a one-pot synthesis of phenoxazine phenothiazine derivatives with broad range substitution patterns from readily available precursors.