Hydrophobic, amorphous metal–organic network readily prepared by complexing the aluminum ion with a siloxane spaced dicarboxylic acid in aqueous medium

2018 ◽  
Vol 136 (9) ◽  
pp. 47144 ◽  
Author(s):  
M. Cazacu ◽  
G.‐O. Turcan‐Trofin ◽  
A. Vlad ◽  
A. Bele ◽  
S. Shova ◽  
...  
Keyword(s):  
Dicarboxylic Acid ◽  
Aqueous Medium ◽  
Amorphous Metal ◽  
Aluminum Ion ◽  
Metal Organic

scholarly journals Water Photo-Electrooxidation Using Mats of TiO2 Nanorods, Surface Sensitized by a Metal–Organic Framework of Nickel and 1,2-Benzene Dicarboxylic Acid

Hydrogen ◽  
2021 ◽  
Vol 2 (1) ◽  
pp. 58-75
Author(s):  
Sheng-Mu You ◽  
Waleed M. A. El Rouby ◽  
Loïc Assaud ◽  
Ruey-An Doong ◽  
Pierre Millet
Keyword(s):  
Dicarboxylic Acid ◽  
Electrochemical Impedance ◽  
Metal Organic Framework ◽  
Linear Sweep Voltammetry ◽  
Tio2 Nanorods ◽  
Tem Analysis ◽  
Vis Spectroscopy ◽  
Metal Organic ◽  
Benzene Dicarboxylic Acid ◽  
Organic Framework

Photoanodes comprising a transparent glass substrate coated with a thin conductive film of fluorine-doped tin oxide (FTO) and a thin layer of a photoactive phase have been fabricated and tested with regard to the photo-electro-oxidation of water into molecular oxygen. The photoactive layer was made of a mat of TiO2 nanorods (TDNRs) of micrometric thickness. Individual nanorods were successfully photosensitized with nanoparticles of a metal–organic framework (MOF) of nickel and 1,2-benzene dicarboxylic acid (BDCA). Detailed microstructural information was obtained from SEM and TEM analysis. The chemical composition of the active layer was determined by XRD, XPS and FTIR analysis. Optical properties were determined by UV–Vis spectroscopy. The water photooxidation activity was evaluated by linear sweep voltammetry and the robustness was assessed by chrono-amperometry. The OER (oxygen evolution reaction) photo-activity of these photoelectrodes was found to be directly related to the amount of MOF deposited on the TiO2 nanorods, and was therefore maximized by adjusting the MOF content. The microscopic reaction mechanism which controls the photoactivity of these photoelectrodes was analyzed by photo-electrochemical impedance spectroscopy. Microscopic rate parameters are reported. These results contribute to the development and characterization of MOF-sensitized OER photoanodes.

scholarly journals Selective Detection of nano-molar range Noxious Anions in Water by a Luminescent Metal-Organic Framework

2021 ◽  
Author(s):  
Sudip Kumar Mondal ◽  
Partha Mahata ◽  
Pooja Daga ◽  
Sourav Sarkar ◽  
Prakash Majee ◽  
...  
Keyword(s):  
Aqueous Medium ◽  
Metal Organic Framework ◽  
Selective Detection ◽  
Recognition Ability ◽  
Oxo Anions ◽  
Metal Organic ◽  
Organic Framework

A new metal-organic framework (MOF) showed excellent recognition ability towards five toxic oxo-anions viz. arsenate (HAsO42-), phosphate (PO43-), permanganate (MnO4-), chromate (CrO42-) and dichromate (Cr2O72-) in aqueous medium upon irradiation...

Water-stable zirconium and iron-based metal-organic frameworks (MOFs) as fluoride scavengers in aqueous medium

2021 ◽  
Vol 270 ◽  
pp. 118645
Author(s):  
Mohammad Hossien Saghi ◽  
Bruno Chabot ◽  
Shahabaldin Rezania ◽  
Mika Sillanpää ◽  
Ali Akbar Mohammadi ◽  
...  
Keyword(s):  
Aqueous Medium ◽  
Metal Organic Frameworks ◽  
Metal Organic ◽  
Iron Based

Two dimethylphenyl imidazole dicarboxylate-based lanthanide metal–organic frameworks for luminescence sensing of benzaldehyde

2015 ◽  
Vol 44 (9) ◽  
pp. 4362-4369 ◽  
Author(s):  
Bingbing Shi ◽  
Yuanhao Zhong ◽  
Lili Guo ◽  
Gang Li
Keyword(s):  
Dicarboxylic Acid ◽  
Metal Organic Frameworks ◽  
Hydrothermal Conditions ◽  
Metal Organic ◽  
Lanthanide Metal ◽  
Imidazole Dicarboxylate

Two novel dimethylphenyl imidazole dicarboxylate-based lanthanide(iii)-organic frameworks, [Ln(H2DMPhIDC)3(H3DMPhIDC)]n (Ln = Eu (1), Tb (2); H3DMPhIDC = 2-(3,4-dimethylphenyl)-1H-imidazole-4,5-dicarboxylic acid) have been synthesized under hydrothermal conditions.

scholarly journals Experimental and Modeling of Dicamba Adsorption in Aqueous Medium Using MIL-101(Cr) Metal-Organic Framework

Processes ◽  
2021 ◽  
Vol 9 (3) ◽  
pp. 419
Author(s):  
Hamza Ahmad Isiyaka ◽  
Khairulazhar Jumbri ◽  
Nonni Soraya Sambudi ◽  
Jun Wei Lim ◽  
Bahruddin Saad ◽  
...  
Keyword(s):  
Aqueous Medium ◽  
Adsorption Capacity ◽  
Environmental Concern ◽  
Metal Organic Framework ◽  
High Surface ◽  
High Surface Area ◽  
Data Matrix ◽  
Adsorption Parameters ◽  
Metal Organic ◽  
Organic Framework

Drift deposition of emerging and carcinogenic contaminant dicamba (3,6-dichloro-2-methoxy benzoic acid) has become a major health and environmental concern. Effective removal of dicamba in aqueous medium becomes imperative. This study investigates the adsorption of a promising adsorbent, MIL-101(Cr) metal-organic framework (MOF), for the removal of dicamba in aqueous solution. The adsorbent was hydrothermally synthesized and characterized using N2 adsorption-desorption isotherms, Brunauer, Emmett and Teller (BET), powdered X-ray diffraction (XRD), Fourier Transformed Infrared (FTIR) and field emission scanning electron microscopy (FESEM). Adsorption models such as kinetics, isotherms and thermodynamics were studied to understand details of the adsorption process. The significance and optimization of the data matrix, as well as the multivariate interaction of the adsorption parameters, were determined using response surface methodology (RSM). RSM and artificial neural network (ANN) were used to predict the adsorption capacity. In each of the experimental adsorption conditions used, the ANN gave a better prediction with minimal error than the RSM model. The MIL-101(Cr) adsorbent was recycled six times to determine the possibility of reuse. The results show that MIL-101(Cr) is a very promising adsorbent, in particular due to the high surface area (1439 m2 g−1), rapid equilibration (~25 min), high adsorption capacity (237.384 mg g−1) and high removal efficiency of 99.432%.

A fluorescent zirconium organic framework displaying rapid and nanomolar level detection of Hg(II) and nitroantibiotics

2022 ◽  
Author(s):  
Subhrajyoti Ghosh ◽  
Felix Steinke ◽  
Abhijeet Rana ◽  
Shyam Biswas
Keyword(s):  
Acetic Acid ◽  
Dicarboxylic Acid ◽  
Metal Organic Framework ◽  
Solvothermal Reaction ◽  
Metal Organic ◽  
Organic Framework

The solvothermal reaction of ZrCl4 with benzo[1,2-b:4,5-b’]dithiophene-2,6-dicarboxylic acid linker molecule in presence of trifluoro acetic acid modulator afforded the UiO-66 type of metal organic framework (MOF) (IITG-5, IITG = Indian...

Ultratrace level detection of Cu2+ in aqueous medium by novel Zn(II)-dicarboxylato – pyridyl coordination polymers and cell imaging with HepG2 cells

2021 ◽  
Author(s):  
Suprava Bhunia ◽  
Basudeb Dutta ◽  
Kunal Pal ◽  
Angeera Chandra ◽  
Kuladip Jana ◽  
...  
Keyword(s):  
Dicarboxylic Acid ◽  
Aqueous Medium ◽  
Coordination Polymers ◽  
Hepg2 Cells ◽  
Cell Imaging ◽  
Muconic Acid

Two newly designed coordination polymers (CPs), [Zn(adc)(4-Cltpy)(H2O)] (CP1) and [Zn(trans-muca)(4-Cltpy)] (CP2) (4-Cltpy = 4′-Chloro-2,2′:6′,2′′-terpyridine, H2adc = Acetylene- dicarboxylic acid, trans-H2muca = trans, trans-muconic acid) are synthesized and structurally characterized by...

Cu(I)-Based Metal–Organic Frameworks as Efficient and Recyclable Heterogeneous Catalysts for Aqueous-Medium C–H Oxidation

2018 ◽  
Vol 19 (2) ◽  
pp. 976-982 ◽  
Author(s):  
Kuan Gao ◽  
Chao Huang ◽  
Yisen Yang ◽  
Hong Li ◽  
Jie Wu ◽  
...  
Keyword(s):  
Aqueous Medium ◽  
Heterogeneous Catalysts ◽  
Metal Organic Frameworks ◽  
Metal Organic
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