AI Article Synopsis
Article Abstract
A cage-based metal-organic framework (Ni-NKU-101) with biphenyl-3,3',5,5'-tetracarboxylic acid was synthesized via solvothermal method. Ni-NKU-101 contains two types of cages based on trinuclear and octa-nuclear nickel-clusters that are connected with each other by the 4-connected ligands, to form a 3D framework with a new topology. A mixed-metal strategy was used to synthesize isostructural bimetallic MOFs of M Ni -NKU-101 (M=Mn, Co, Cu, Zn). The electrocatalytic studies showed that the hydrogen evolution reaction (HER) activity of Cu Ni -NKU-101 is much higher than that of other M Ni -NKU-101 catalysts in acidic aqueous solution, owing to the synergistic effect of the bimetallic centers. The optimized Cu Ni -NKU-101 has an overpotential of 324 mV at 10 mA cm and a Tafel slope of 131 mV dec . The mechanism of HER activity over these bimetallic MOF-based electrocatalysts are discussed in detail.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1002/chem.202200401 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Cage-Based Metal-Organic Framework Featuring a Double-Yolk Core-Shell UL@UL Structure for Iodine Capture.
Inorg Chem
January 2025
Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China.
Cage-based MOFs, with their customizable chemical environments and precisely controllable nanospaces, show great potential for the selective adsorption of guest molecules with specific structures. In this work, we have constructed a novel cage-based MOF [(CH)NH][(UO)(TMTTA)]·11.5DMF·2HO (IHEP-51), utilizing a triazine derivative poly(carboxylic acid), 4,4',4″-(((1,3,5-triazine-2,4,6-triyl)tris(((4-carboxycyclohexyl)methyl)azanediyl))tris(methylene))tribenzoic acid (HTMTTA), as an organic ligand and uranyl as a metal node.
View Article and Find Full Text PDFHigh sensitivity distinguishing detection of fluoroquinolones with a cage-based lanthanide metal-organic framework in food.
Food Chem
February 2025
Institute of Resources & Environment, Henan Polytechnic University, Jiaozuo, Henan, 454000, China. Electronic address:
Article Synopsis
- * The probe shows low limits of detection for four specific fluoroquinolones: moxifloxacin, danofloxacin, gatifloxacin, and ofloxacin, highlighting its sensitivity and selectivity.
- * The study also introduces portable paper-based sensors that use a smartphone app for quick analysis, demonstrating the practical applications of 1-Eu in food safety.
Porous Organic Cage-Based Quasi-Solid-State Electrolyte with Cavity-Induced Anion-Trapping Effect for Long-Life Lithium Metal Batteries.
Nanomicro Lett
October 2024
School of Chemistry, South China Normal University, Guangzhou, 510006, People's Republic of China.
Article Synopsis
- The research explores the use of porous organic cages (POCs) as quasi-solid-state electrolytes (QSSEs) in lithium-metal batteries (LMBs), highlighting their potential for improving ion transport.
- The POC-based QSSE exhibits impressive properties, including a Li transference number of 0.67, ionic conductivity of 1.25 × 10 S cm, and low activation energy of 0.17 eV, enabling efficient lithium deposition and reversible plating/stripping for over 2000 hours.
- As a result, the LMB using this QSSE shows strong cycling performance, with 85% capacity retention after 1000 cycles, suggesting POCs could also benefit other energy-storage systems like sodium and potassium
Construction of binary metal-organic cage-based materials a "covalently linked plus cage encapsulated" strategy.
Chem Commun (Camb)
September 2024
GDMPA Key Laboratory for Process Control and Quality Evaluation of Chiral Pharmaceuticals, and Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, School of Chemistry, South China Normal University, Guangzhou 510006, China. zhengsr-scnu.edu.cn.
A strategy for constructing binary metal-organic cage (MOC)-based materials was developed. The cationic MOCs were covalently linked by organic linkers to a cationic extended network, whereas the anionic MOCs acted as counterions and were encapsulated in the network. Compared with the corresponding unary materials, the binary MOC-based materials exhibited improved porosity and adsorption performance.
View Article and Find Full Text PDFCodelivery of Dual Gases with Metal-Organic Supramolecular Cage-Based Microenvironment-Responsive Nanomedicine for Atherosclerosis Therapy.
Small
October 2024
Department of Radiology, Sun Yat-Sen Memorial Hospital, Sun Yat-Sen University, No. 107 Yanjiang Road West, Guangzhou, 510120, China.
Atherosclerosis (AS) is a common cause of coronary heart disease and stroke. The delivery of exogenous HS and in situ production of O within atherosclerotic plaques can help suppress inflammatory cell infiltration and alleviate disease progression. However, the uncontrolled release of gas donors hinders achieving effective drug concentrations and causes toxic effects.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!