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Relevant academic research and scientific papers

Photoswitchable Cu(ii)/Cu(i) catalyses assisted by enzyme-like non-covalent interactions in Cu(ii)-melamine coordination polymers for installing CO2/CS2and CF3groups in heterocycles

Despite concerns over the environmental impact of isoelectronic CO2and CS2, they remain useful C1 building blocks with industrial utility, and trifluoromethylation could enhance the lipophilicity and metabolic stability of agrochemic

A dual functional MOF as a luminescent sensor for quantitatively detecting the concentration of nitrobenzene and temperature

We report here a luminescent metal-organic framework [Zn 3(TDPAT)(H2O)3] [TDPAT = 2,4,6-tris(3,5- dicarboxyl phenylamino)-1,3,5-triazine] exhibiting strong luminescence at room temperature, which can serve as the first cas

An anionic: Sod -type terbium-MOF with extra-large cavities for effective anthocyanin extraction and methyl viologen detection

An anionic sod-type zeolitic metal-organic framework [(CH3)2NH2]9{Tb6(η6-TATAT)4(H2O)12}·3Cl·DMA·7H2O [1, H6TATAT = 5,5′,5′′-(1,3,5-tr

A smart sensing triazine hexacarboxylic metal-organic skeleton material: synthesis, structure and multifunctional fluorescence detector

A novel lanthanide metal organic framework [(NH2(Me)2)]6·[Tb3(TDPAT)2(μ2-O)1.5]·3EtOH·7.5H2O (complex1) was constructedviathe reaction of 5,5′,5′′-(1,3,5-triazine-2,4,

The synthesis of a copper metal-organic framework Cu3TDPAT and its application in a Morita-Baylis-Hillman (MBH) reaction

A highly effective Morita-Baylis-Hillman (MBH) reaction was developed employing Cu (II) derived Cu3TDPAT as the dual-functional metal-organic frameworks (MOFs) catalyst. Four kinds of copper salts were employed as precursors to synthesize Cu3TDPAT. The resultant Cu3TDPAT MOFs were used as catalysts for the MBH model reaction of 4-fluorobenzaldehyde and 2-cyclopentene-1-one under various reaction conditions. The results showed that Cu3TDPAT-c derived from copper nitrate was the optimal catalyst to achieve a high yield (up to 99%). With the presence of aromatic aldehydes and basic triazine groups in Cu3TDPAT, the Lewis acid and base sites in Cu3TDPAT MOF played a significant role during the reaction to effect the formation of C-C single bond between 4-fluorobenzaldehyde and 2-cyclopentene-1-one to generate benzyl methyl acrylonitrile products. In addition, after optimization, this catalyst showed good catalytic performance for the MBH reaction with high thermal stability, reliability, and recyclability. This optimal catalytic performance shows great potential for further development.

Preparation of Highly Porous Metal-Organic Framework Beads for Metal Extraction from Liquid Streams

Metal-organic frameworks (MOFs) offer great promise in a variety of gas- and liquid-phase separations. However, the excellent performance on the lab scale hardly translates into pilot- or industrial-scale applications due to the microcrystalline nature of

Cu-MOF derived Cu-C nanocomposites towards high performance electrochemical supercapacitors

For the development of asymmetric supercapacitors with higher energy density, the study of new electrode materials with high capacitance is a priority. Herein, the electrochemical behavior of nano copper in alkaline electrolyte is first discovered. It is found that there are two obvious reversible redox symmetric peaks in the range of -0.8-0.2 V in the alkaline electrolyte, corresponding to the conversion of copper into cuprous ions, and then converting cuprous ions into copper ions, indicating that the nanocomposite electrode has the characteristics of a pseudocapacitive reaction. It has a specific capacitance of up to 318 F g-1 at a current density of 1 A g-1, which remains at nearly 100% after 10 000 cycles at the same current density. When assembled with a Ni(OH)2-based electrode into an asymmetric supercapacitor, the device shows excellent capacitive behavior and good reaction reversibility. At 0.4 A g-1, the supercapacitor delivers a reversible capacity of 8.33 F g-1 with an energy density of 13.5 mW h g-1. This study first discovers the electrochemical behavior of nano copper, which can provide a new research idea for further expanding the negative electrodes of supercapacitors with higher energy density.

An Anion Metal-Organic Framework with Lewis Basic Sites-Rich toward Charge-Exclusive Cationic Dyes Separation and Size-Selective Catalytic Reaction

Organic dye pollutants become a big headache due to their toxic nature to the environment, and it should be one of the best solutions if we can separate and reuse them. Here, we report the synthesis and characterization of a microporous anion metal-organi

The synthesis of a bifunctional copper metal organic framework and its application in the aerobic oxidation/Knoevenagel condensation sequential reaction

A novel one-pot aerobic oxidation/Knoevenagel condensation reaction system was developed employing a Cu(ii)/amine bifunctional, basic metal-organic framework (MOF) as the catalyst. The sequential aerobic alcohol oxidation/Knoevenagel condensation reaction was efficiently promoted by the Cu3TATAT MOF catalyst in the absence of basic additives. The benzylidenemalononitrile product was produced in high yield and selectivity from an inexpensive benzyl alcohol starting material under an oxygen atmosphere. The role of the basic functionality was studied to demonstrate its role in the aerobic oxidation and Knoevenagel condensation reactions. The reaction progress was monitored in order to identify the reaction intermediate and follow the accumulation of the desired product. Lastly, results showed that the yield was not significantly compromised by the reuse of a batch of catalyst, even after more than five cycles.