Characterization and Catalytic Activity of New Metal-organic Frameworks Resulted from Self-assembly of Ph3SnCl, K[Cu(CN)2] and Nitrogen Donor Ligands

2011 ◽  
Vol 29 (7) ◽  
pp. 1401-1410 ◽  
Author(s):  
Safaa El-din H. Etaiw ◽  
Abeer S. Elsherbiny ◽  
Ahmed S. Badr El-din
Keyword(s):  
Catalytic Activity ◽  
Self Assembly ◽  
Metal Organic Frameworks ◽  
Donor Ligands ◽  
Nitrogen Donor Ligands ◽  
Nitrogen Donor ◽  
Metal Organic

scholarly journals Application of a Terephthalate and Pyrazine-Based MOF in Cr Adsorption

Proceedings ◽  
2019 ◽  
Vol 41 (1) ◽  
pp. 60
Author(s):  
Zahra Rezaee ◽  
Faranak Manteghi
Keyword(s):  
Metal Organic Framework ◽  
Ultrasonic Method ◽  
Chromium Concentration ◽  
Donor Ligands ◽  
Nitrogen Donor Ligands ◽  
Nickel Ions ◽  
Nitrogen Donor ◽  
Before And After ◽  
Metal Organic ◽  
Ft Ir

In this study, a terephthalate and pyrazine-based metal–organic framework (MOF) was prepared using the oxygen and nitrogen donor ligands through the hydrothermal method. In the MOF, cobalt and nickel ions were selected as metal nodes which are connected by terephthalate and pyrazine linkers. The as-prepared MOF was utilized as Cr adsorbent in water by an ultrasonic method. The MOF capacity towards chromium ion adsorption was obtained about 96% in 50 ppm initial concentration. In order to characterize and determine the morphology of the title MOF, the FT-IR and XRD methods were applied, while the chromium concentration before and after adsorption was determined by the ICP method.

scholarly journals Increasing the Stability of Metal-Organic Frameworks

2014 ◽  
Vol 2014 ◽  
pp. 1-8 ◽  
Author(s):  
Mathieu Bosch ◽  
Muwei Zhang ◽  
Hong-Cai Zhou
Keyword(s):  
Metal Organic Frameworks ◽  
Luminescent Properties ◽  
Vacuum Treatment ◽  
Donor Ligands ◽  
Gas Sorption ◽  
Nitrogen Donor Ligands ◽  
Metal Centers ◽  
Ligand Interactions ◽  
Metal Organic ◽  
The Stability

Metal-organic frameworks (MOFs) are a new category of advanced porous materials undergoing study by many researchers for their vast variety of both novel structures and potentially useful properties arising from them. Their high porosities, tunable structures, and convenient process of introducing both customizable functional groups and unsaturated metal centers have afforded excellent gas sorption and separation ability, catalytic activity, luminescent properties, and more. However, the robustness and reactivity of a given framework are largely dependent on its metal-ligand interactions, where the metal-containing clusters are often vulnerable to ligand substitution by water or other nucleophiles, meaning that the frameworks may collapse upon exposure even to moist air. Other frameworks may collapse upon thermal or vacuum treatment or simply over time. This instability limits the practical uses of many MOFs. In order to further enhance the stability of the framework, many different approaches, such as the utilization of high-valence metal ions or nitrogen-donor ligands, were recently investigated. This review details the efforts of both our research group and others to synthesize MOFs possessing drastically increased chemical and thermal stability, in addition to exemplary performance for catalysis, gas sorption, and separation.

The role of zero-field splitting and π-stacking interaction of different nitrogen-donor ligands on the optical properties of luminescent rhenium tricarbonyl complexes

2021 ◽  
Author(s):  
Plinio Cantero-López ◽  
Yoan Hidalgo-Rosa ◽  
Zoraida Sandoval-Olivares ◽  
Julián Santoyo-Flores ◽  
Pablo Mella ◽  
...  
Keyword(s):  
Excited States ◽  
Coordination Compounds ◽  
Donor Ligands ◽  
Zero Field ◽  
Zero Field Splitting ◽  
Nitrogen Donor Ligands ◽  
Nitrogen Donor ◽  
Π Stacking Interaction ◽  
Rhenium Tricarbonyl

Rhenium tricarbonyl complexes are one of the most important classes of coordination compounds in inorganic chemistry. Exploring their luminescent excited states, lowest singlet (S1), and the lowest triplet (T1), is...

scholarly journals Highly sensitive detection of nitrobenzene by a series of fluorescent 2D zinc(ii) metal–organic frameworks with a flexible triangular ligand

RSC Advances ◽  
2021 ◽  
Vol 11 (39) ◽  
pp. 23975-23984
Author(s):  
Xue Yang ◽  
Yixia Ren ◽  
Hongmei Chai ◽  
Xiufang Hou ◽  
Zhixiang Wang ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Metal Organic Frameworks ◽  
High Sensitivity ◽  
Fluorescent Sensors ◽  
Sensitive Detection ◽  
Donor Ligands ◽  
Highly Sensitive ◽  
Metal Organic ◽  
Highly Sensitive Detection

Four fluorescent 2D Zn-MOFs based on a flexible triangular ligand and linear N-donor ligands are hydrothermally prepared and used to detect nitrobenzene in aqueous solution with high sensitivity, demonstrating their potential as fluorescent sensors.

scholarly journals New Synthetic Routes Toward Enantiopure Nitrogen Donor Ligands.

ChemInform ◽  
2007 ◽  
Vol 38 (15) ◽  
Author(s):  
Xavier Sala ◽  
Anna M. Rodriguez ◽  
Montserrat Rodriguez ◽  
Isabel Romero ◽  
Teodor Parella ◽  
...  
Keyword(s):  
Donor Ligands ◽  
Nitrogen Donor Ligands ◽  
Nitrogen Donor ◽  
Synthetic Routes

Oxidative Degradation of Toxic Organic Pollutants by Water Soluble Nonheme Iron(IV)-Oxo Complexes of Polydentate Nitrogen Donor Ligands

2021 ◽  
Author(s):  
Sandip Munshi ◽  
Rahul Dev Jana ◽  
Tapan Kanti Paine
Keyword(s):  
Organic Pollutants ◽  
Oxidative Degradation ◽  
Heme Iron ◽  
Water Soluble ◽  
Donor Ligands ◽  
Nitrogen Donor Ligands ◽  
Polydentate Ligands ◽  
Oxo Complexes ◽  
Non Heme Iron ◽  
Nitrogen Donor

The ability of four mononuclear non-heme iron(IV)-oxo complexes supported by nitrogen donor polydentate ligands in degrading organic pollutants has been investigated. The water soluble iron(II) complexes upon treatment with ceric...

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