A terbium(III) lanthanide-organic framework as selective and sensitive iodide/bromide sensor in aqueous medium

2021 ◽  
Author(s):  
Lanjun Liu ◽  
Mengyao Zhang ◽  
Qingzhong Guo ◽  
Zhanhui Zhang ◽  
Junfang Guo
Keyword(s):  
Aqueous Medium ◽  
Hydrothermal Condition ◽  
Isophthalic Acid ◽  
Luminescent Sensor ◽  
Iodide Ion ◽  
Organic Framework

A potent luminescent sensor for the detection of iodide ion was developed based on a terbium(III)-based lanthanide–organic framework [Tb(cpia)(H2O)2]n‧nH2O (1), which was prepared under hydrothermal condition using 5-(4-carboxyphenoxy)-isophthalic acid (H3cpia)...

Hexacarboxylate-Bridged Dicopper (II) Paddle-Wheel-Based 3-D Metal-Organic Framework: Synthesis, Structure

2015 ◽  
Vol 1088 ◽  
pp. 314-317
Author(s):  
Chang Feng Sun ◽  
Yan Yan Pang ◽  
Ying Zhao ◽  
Yu Yang
Keyword(s):  
Structural Unit ◽  
Metal Organic Framework ◽  
Hydrothermal Condition ◽  
Isophthalic Acid ◽  
Thermally Stable ◽  
Space Group ◽  
Paddle Wheel ◽  
Cell Parameters ◽  
Metal Organic ◽  
Organic Framework

Employed isophthalic acid and Quinoxaline as co-ligands, a new 3D metal-organic framework [{Cu2(IPT)2(QA)2}6]n ((H2IPT= isophthalic acid, QA = Quinoxaline) had been prepared under hydrothermal condition. The compound crystallizes in the Rhombohedral space group R-3c, with cell parameters, a = 30.099(4) Å, b = 30.099(4) Å, c = 18.190(4) Å, a= β = γ = 90˚, V = 14271(4) nm3and Z = 12. This 3D complex based on rhomboid-shaped structural unit [{Cu2(IPT)2(QA)2}6] shows unusual USF-1 topology. On the basis of the results of TG/DTA analyses, the structure is thermally stable up to 300 °C.

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...

A flexible Eu(iii)-based metal–organic framework: turn-off luminescent sensor for the detection of Fe(iii) and picric acid

2013 ◽  
Vol 42 (34) ◽  
pp. 12403 ◽  
Author(s):  
Xin-Hui Zhou ◽  
Liang Li ◽  
Hong-Hui Li ◽  
Ao Li ◽  
Tao Yang ◽  
...  
Keyword(s):  
Picric Acid ◽  
Metal Organic Framework ◽  
Luminescent Sensor ◽  
Metal Organic ◽  
Organic Framework

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%.

Li-based MOF-derived multifunctional PEO polymer solid-state electrolyte for lithium energy storage

2022 ◽  
Author(s):  
Xiang Han ◽  
Tiantian Wu ◽  
Lanhui Gu ◽  
Dian Tian
Keyword(s):  
Energy Storage ◽  
Solid State ◽  
Metal Organic Framework ◽  
Three Dimensional ◽  
Isophthalic Acid ◽  
Solid State Electrolyte ◽  
Metal Organic ◽  
Solvothermal Conditions ◽  
Organic Framework

A three-dimensional (3D) metal-organic framework containing Li-oxygen clusters, namely {[Li2(IPA)]·DMF}n (1) (H2IPA = isophthalic acid), has been constructed under solvothermal conditions. The Li-based MOF can be applied to lithium energy...

Water Stable Metal–Organic Framework Based on Phosphono-containing Ligand as Highly Sensitive Luminescent Sensor toward Metal Ions

2018 ◽  
Vol 18 (12) ◽  
pp. 7683-7689 ◽  
Author(s):  
Chenghui Zhang ◽  
Huaizhong Shi ◽  
Libo Sun ◽  
Yan Yan ◽  
Bolun Wang ◽  
...  
Keyword(s):  
Metal Ions ◽  
Metal Organic Framework ◽  
Luminescent Sensor ◽  
Highly Sensitive ◽  
Metal Organic ◽  
Organic Framework

scholarly journals A Novel Tb@Sr-MOF as Self-Calibrating Luminescent Sensor for Nutritional Antioxidant

Nanomaterials ◽  
2018 ◽  
Vol 8 (10) ◽  
pp. 796 ◽  
Author(s):  
Yi Wang ◽  
Shaomin Lin ◽  
Jun Luo ◽  
Rui Huang ◽  
Hong Cai ◽  
...  
Keyword(s):  
Thermal Property ◽  
Luminescence Intensity ◽  
Alkaline Earth ◽  
Metal Organic Framework ◽  
Expiration Date ◽  
Luminescent Sensor ◽  
Circular Test ◽  
Metal Organic ◽  
Huge Challenge ◽  
Organic Framework

Sesamol, is well-known antioxidant and can reduce the rate of oxidation and prolong expiration date. It is also potentially antimutagenic and antihepatotoxic, the detection of sesamol is important and remains a huge challenge. Herein, a new 3D alkaline earth Sr metal organic framework [Sr(BDC)DMACH2O]n (BDC = benzene-1,4-dicarboxylate; DMAC = N,N-dimethylacetamide) is synthesized and a probe based on Tb3+ functionalized Sr-MOF. The Tb(3+)@Sr-MOF showed good luminescence and thermal property. Due to the energy competition between sesamol and ligand, the luminescence intensity of sesamol increases meantime luminescence intensity of Tb3+ decreases, the ratio of the emission intensities (I344/I545) linearly increases with sesamol in concentrations ranging from 1 × 10−7 to 8 × 10−4 M. Furthermore, the fluorescence-detected circular test shows that the composite Tb(3+)@Sr-MOF can serve as ratiometric sensor for sensing of sesamol. This is the first example for self-calibrated detecting sesamol based on metal-organic framework (MOF).

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