Covalent organic frameworks (COFs) have emerged as significant candidates for visible-light photocatalysis due to their ability to regulate performance which is achieved through the careful selection of building modules, framework conjugation, and post-modification. This report focused on the efficient transformation of an imine-linked I-COF into a π-conjugated quinoline-based Q-COF, which enhanced both the chemical stability and conjugation of the network. By methylating the pyridyl groups in the Q-COF, an N+-COF was obtained. Subsequently, the Ru(N^N)-photosensitizer ([Ru(dcbpy)]) was incorporated into the channels of the cationic N+-COF through electrostatic interactions, resulting in the formation of [Ru(dcbpy)3]4-⊂N+-COF. This composite exhibited exceptional photocatalytic activity, demonstrating high yields and selectivity in the oxidation of sulfides or amines to their respective products.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1039/d3dt02345a | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Corrigendum to "Magnetic molecular imprinted covalent organic framework composite for the magnetic solid-phase extraction of bisphenol AF" [Journal of Chromatography A 1717 (2024) 464693].
J Chromatogr A
March 2025
Department of Pharmaceutical Analysis, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, China. Electronic address:
DprE1 Inhibitors: An insight into the recent developments and synthetic approaches.
Eur J Pharm Sci
March 2025
Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Kafrelsheikh University, Kafrelsheikh 33516, Egypt; Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Pharos University in Alexandria; Canal El Mahmoudia St., Alexandria 21648, Egypt. Electronic address:
In the current medical era, the proliferation and dissemination of drug-resistant strains of Mycobacterium tuberculosis continue to pose a significant worldwide health hazard, necessitating the development of new and innovative medications to combat tuberculosis. Decaprenylphosphoryl-β-D-ribose 2'-epimerase (DprE1) is a crucial enzyme for cell wall synthesis in Mycobacterium tuberculosis (Mtb). Its importance is due to its eminent contribution in forming lipoarabinomannan and arabinogalactan.
View Article and Find Full Text PDFMagnetic cationic covalent organic framework for efficient enrichment and detection of phenolic endocrine disruptors in foodstuffs.
J Chromatogr A
February 2025
School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China. Electronic address:
Endocrine disrupting chemicals (EDCs) have received significant attention in the food field due to their potential health risks. Herein, we proposed a novel core-shell structure magnetic cationic covalent organic framework (EB-DHTA-iCOF@FeO) designed for the efficient enrichment of trace-level EDCs in foodstuffs and analyzed using HPLC-MS/MS. Due to the phenolic EDCs structure possessing hydroxyl functional groups which become protonated under alkaline conditions, resulting in the formation of negatively charged anions.
View Article and Find Full Text PDFFeMo integrated covalent organic frameworks: Peroxidase-mimetic colorimetric biosensors for multivariate sensing hydrogen peroxide and ascorbic acid in serum and beverages.
Food Chem
March 2025
Key Laboratory for Photochemical Biomaterials and Energy Storage Materials of Heilongjiang Province, Key Laboratory for Photonic and Electronic Bandgap Materials of Ministry of Education, College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, China. Electronic address:
An efficient and readable sensor is desirable for food safety and diagnosis. Herein, a homogeneous mimicking enzyme was constructed by encapsulating polyoxometalate (NH₄)₃[FeMo₆O₁₈(OH)₆]·6H₂O (FeMo) into the covalent organic framework (FeMo@COF). Coordinating the spatial confinement effect of COF, FeMo exhibited superior peroxide-like activity to catalyze HO to O• which achieved the "on-off" consecutive sensing of HO and AA via a readable colorimetric mode, with the limit of detection (LOD) at 30 μM and 0.
View Article and Find Full Text PDFUltralong Room Temperature Phosphorescence through Both Space Confinement and Long-Range Charge Migration.
ACS Appl Mater Interfaces
March 2025
School of Chemistry and Environment, Changchun University of Science and Technology, Changchun 130022, China.
Doping guest materials into host materials with a confined space to suppress nonradiative decay is an effective strategy for achieving room-temperature phosphorescence (RTP). However, constructing host-guest doped materials with ultralong RTP (URTP) is still challenging. Herein, by embedding three coumarin derivatives into boric acid via one-step heat treatment, the URTP material with an afterglow lasting up to 60 s, a phosphorescence lifetime of 1.
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!