
Covalent organic frameworks for photocatalytic applications
Nov 5, 2020 · A stacking high crystalline 2D COF, COF-JLU5, was also prepared by co-condensation of 1,3,5-tris-(4-aminophenyl)triazine (TTA) and 2,5-dimethoxyterephthaldehyde [41]. The columnar π stacking between the 2D sheets provides ideal channel for the diffusion and immigration of excitons.
Fluorinated covalent organic framework materials for …
Mar 1, 2023 · Highly fluorinated COF showed appropriate band gap and photoelectric properties. The TFA-TTA-COF exhibited satisfactory photo-degradation efficiency of EBT and EBA dye in water. The TFA-TTA-COF also showed high catalytic activity, broad substrate adaptability, as well as good recyclability.
Aqueous Synthesis of Covalent Organic Frameworks as …
Dec 7, 2022 · We explored the synthesis of COF-TTA-DHTA with 2,4,6-tris(4-aminophenyl)-1,3,5-triazine (TTA, knot) and 2,5-dihydroxy-1,4-benzenedicarboxaldehyde (DHTA, linker) monomers to exhibit the synthetic procedure of the LC-directed methodology and determine the crystallization conditions (Figure 1a).
Construction of Two-Dimensional Fluorescent Covalent Organic …
Jan 24, 2022 · In this work, we synthesized a two-dimensional fluorescent covalent–organic framework (TFPB–TTA COF) nanosheet by selecting and designing reactive monomers to realize the dual-functional processing of nitrophenols.
In situ assembly of a covalent organic framework composite …
Jun 15, 2021 · We prepared the Tp-TTA/mPSF x by in situ assembly of COF Tp-TTA on the mPSF substrate and interfacial polymerization. We varied the loaded COF content on the substrate to optimize water permeation and dye rejection by the membrane.
Recent Advances in Covalent Organic Frameworks for Molecule …
Dec 30, 2019 · Covalent organic frameworks (COFs), newly emerging crystalline and porous materials, have been widely studied in many fields because of their unique periodic porous structures, high surface area, and strong interlayer π–π interaction when they are formed into a layered structure.
Enormous Promotion of Photocatalytic Activity through the …
Jul 14, 2022 · In this work, we report the sevenfold increase in apparent quantum efficiency resulting from the use of a near-single layer COF (SLCOF) in photocatalytic hydrogen evolution compared with bulk COF.
Near-Flat D–A-Typed Triphenylamine-COF toward Efficient Charge ...
Feb 5, 2025 · To the best of our knowledge, TTA-NDC exhibits the highest benzylamine coupling efficiency with a turnover frequency value of 518.4 h –1 among the pristine COF photocatalysts, and its electron consumption rate for photocatalytic CO 2 reduction reaches 1632.2 μmol·g –1 ·h –1, 3.85-fold higher than TTA-NBC, far surpassing most COF-based ...
Constructing Stable and Porous Covalent Organic Frameworks for ...
In this work, two new covalent organic frameworks (TTA-TMTA-COF and TTA-FMTA-COF) with high surface area, large pore volume, and excellent chemical stability toward harsh conditions are designed and synthesized by integrating the methoxy functional groups into the networks.
Tetrathiafulvalene-based covalent organic frameworks for …
Here we report the synergistic effect of physical and chemical adsorption of iodine in tetrathiafulvalene-based covalent organic frameworks (COFs), which can markedly improve both iodine adsorption capacity and adsorption kinetics due to their strong interaction.