scholarly journals Three Novel Zn-Based Coordination Polymers: Synthesis, Structure, and Effective Detection of Al3+ and S2− Ions

Molecules ◽  
2020 ◽  
Vol 25 (2) ◽  
pp. 382 ◽  
Author(s):  
Yuna Wang ◽  
Xiaofeng Zhang ◽  
Yanru Zhao ◽  
Suoshu Zhang ◽  
Shifen Li ◽  
...  
Keyword(s):  
Coordination Polymer ◽  
Fluorescence Quenching ◽  
Coordination Polymers ◽  
Luminescence Quenching ◽  
Luminescent Probe ◽  
Quenching Effect ◽  
Dual Responsive ◽  
Quenching Efficiency ◽  
Quenching Mechanisms ◽  
Solvothermal Conditions

Three novel Zn-based coordination polymers (CPs), [Zn(MIPA)]n (1), {[Zn(MIPA)(4,4′-bipy)0.5(H2O)]·1.5H2O}n (2), and {[Zn(MIPA)(bpe)]·H2O}n (3) (MIPA = 4-methoxyisophthalic acid, 4,4′-bipy = 4,4′-bipyridine, bpe = (E)-1,2-di(pyridine-4-yl)ethane), were constructed by ligand 4-methoxyisophthalic acid under solvothermal conditions. Compound 1 features a beaded 2D-layer architecture, while compound 2 presents a 2-fold interpenetrating structure with a uninodal three-connected hcb topology. Compound 3 has a 3-fold interpenetrated four-connected dmp topology. Photoluminescence investigations of compound 2 were explored in detail, by which ions were detected, and it was observed to have the highest quenching efficiency toward Al3+ and S2− ions. The possible fluorescence quenching mechanisms of 2 toward Al3+ and S2− ions were also explored. To the best of our knowledge, this is the first potential dual-responsive luminescent probe based on a Zn(II) coordination polymer for detecting Al3+ and S2− ions via a luminescence quenching effect in ethanol.

Photoactive rare earth complexes for fluorescence tuning and sensing cations (Fe3+) and anions (Cr2O72−)

RSC Advances ◽  
2015 ◽  
Vol 5 (9) ◽  
pp. 6752-6757 ◽  
Author(s):  
Xiang Shen ◽  
Bing Yan
Keyword(s):  
Rare Earth ◽  
Coordination Polymer ◽  
Fluorescence Quenching ◽  
Polymer Materials ◽  
Rare Earth Complexes ◽  
Quenching Effect ◽  
Rare Earth Coordination

A series of photoactive rare earth coordination polymer materials RE/Ad/BPDC (Ad = adeninate, BPDC = biphenyl-4,4′-dicarboxylate) with tunable multi-color luminescence are synthesized. Y0.99Eu0.01/Ad/BPDC has a selective fluorescence quenching effect for Fe3+ and Cr2O72−.

Construction of two Zn(ii)/Cd(ii) multifunctional coordination polymers with mixed ligands for catalytic and sensing properties

2018 ◽  
Vol 42 (17) ◽  
pp. 14203-14209 ◽  
Author(s):  
Li-Ping Xue ◽  
Zhao-Hao Li ◽  
Ting Zhang ◽  
Jia-Jia Cui ◽  
Yue Gao ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Coordination Polymers ◽  
Knoevenagel Condensation ◽  
Luminescence Quenching ◽  
High Catalytic Activity ◽  
Sensing Properties ◽  
Quenching Effect ◽  
Mixed Ligands

Two Zn(ii)/Cd(ii) coordination polymers with different networks were constructed with mixed ligands. The former compound shows high catalytic activity for Knoevenagel condensation, and the latter compound can selectively recognize l-cysteine through the luminescence quenching effect.

Multifunctional luminescent coordination polymers based on tricarboxylic acid for the detection of 2,4-dinitrophenol and iron(iii) and aluminum(iii) ions

2019 ◽  
Vol 43 (9) ◽  
pp. 3690-3697 ◽  
Author(s):  
Mürsel Arici
Keyword(s):  
Coordination Polymer ◽  
Coordination Polymers ◽  
Tricarboxylic Acid ◽  
Luminescence Quenching ◽  
Selective Detection ◽  
Highly Sensitive

2D Zn(ii)-coordination polymer exhibited highly sensitive and selective detection towards DNP, Fe3+ and Al3+ ions in the presence of other interfering compounds through luminescence quenching and enhancement, respectively.

A newly-constructed hydrolytically stable Co(II) coordination polymer showing dual responsive fluorescence sensing to pH and Cu2+

CrystEngComm ◽  
2021 ◽  
Author(s):  
Min Yan ◽  
Peizhi Zhu ◽  
Shengyang Yang ◽  
Wei-Jian Kong ◽  
Jian Wang ◽  
...  
Keyword(s):  
Coordination Polymer ◽  
Coordination Polymers ◽  
Biological Systems ◽  
Fluorescent Chemosensors ◽  
Fluorescence Sensing ◽  
Ph Values ◽  
Dual Responsive

Fluorescent chemosensors based on coordination polymers (CPs) have received particular attention in monitoring the pH values and appropriate analytes in environment and biological systems owing to their extreme superiorities. Herein,...

Lanthanide(iii) coordination polymers for luminescence detection of Fe(iii) and picric acid

2018 ◽  
Vol 42 (18) ◽  
pp. 15306-15310 ◽  
Author(s):  
Cong Xu ◽  
Haipeng Huang ◽  
Jingxin Ma ◽  
Wei Liu ◽  
Chunyang Chen ◽  
...  
Keyword(s):  
Coordination Polymers ◽  
Picric Acid ◽  
Luminescence Quenching ◽  
Quenching Effect ◽  
Luminescence Detection

Two 2D coordination polymers exhibit a sensitive and fast luminescence quenching response to Fe3+and picric acid (PA) in water with a high quenching effect constant (Ksv) for PA (>17 000 M−1) and Fe3+(>3950 M−1).

Synthesis, structure and sensing behavior of a Cd-coordination polymer based on 1,10-phenanthroline and 2-aminoterephthalic acid

2018 ◽  
Vol 11 (02) ◽  
pp. 1850027 ◽  
Author(s):  
Xing Meng ◽  
Hai-Feng Wang ◽  
He Chen ◽  
Zi-Yan Zhou ◽  
Hai-Ning Wang
Keyword(s):  
Hydrogen Bond ◽  
Coordination Polymer ◽  
Small Molecules ◽  
Experimental Results ◽  
Supramolecular Architecture ◽  
Luminescent Probe ◽  
Hydrogen Bond Interactions ◽  
Flat Layer ◽  
Solvothermal Conditions

The reaction of 2-aminoterephthalic acid and 1,10-phenanthroline with Cd(NO[Formula: see text][Formula: see text]4H2O under solvothermal conditions leads to the formation of [Cd(2-aip)(phen)][Formula: see text][Formula: see text][Formula: see text]0.5C2H5OH ( 1). In the compound, dimetallic cluster [Cd2(COO)4] exists and is linked by 2-aip ligands to stretch into a 2D flat layer. These layers are lined parallel to each other via N–H[Formula: see text]OCO hydrogen bond interactions, generating a 3D supramolecular architecture. The sensing property has been investigated. The experimental results show that the compound can be used as a luminescent probe to detect Co[Formula: see text] and organic small molecules acetone.

scholarly journals Pyrene Carboxylate Ligand Based Coordination Polymers for Microwave-Assisted Solvent-Free Cyanosilylation of Aldehydes

Molecules ◽  
2021 ◽  
Vol 26 (4) ◽  
pp. 1101
Author(s):  
Anirban Karmakar ◽  
Anup Paul ◽  
Elia Pantanetti Sabatini ◽  
M. Fátima C. Guedes da Silva ◽  
Armando J. L. Pombeiro
Keyword(s):  
Coordination Polymer ◽  
Single Crystal ◽  
Coordination Polymers ◽  
Metal Ion ◽  
Solvent Free ◽  
Lewis Acidity ◽  
Carboxylate Ligand ◽  
X Ray Diffraction ◽  
X Ray ◽  
Microwave Assisted

The new coordination polymers (CPs) [Zn(μ-1κO1:1κO2-L)(H2O)2]n·n(H2O) (1) and [Cd(μ4-1κO1O2:2κN:3,4κO3-L)(H2O)]n·n(H2O) (2) are reported, being prepared by the solvothermal reactions of 5-{(pyren-4-ylmethyl)amino}isophthalic acid (H2L) with Zn(NO3)2.6H2O or Cd(NO3)2.4H2O, respectively. They were synthesized in a basic ethanolic medium or a DMF:H2O mixture, respectively. These compounds were characterized by single-crystal X-ray diffraction, FTIR spectroscopy, thermogravimetric and elemental analysis. The single-crystal X-ray diffraction analysis revealed that compound 1 is a one dimensional linear coordination polymer, whereas 2 presents a two dimensional network. In both compounds, the coordinating ligand (L2−) is twisted due to the rotation of the pyrene ring around the CH2-NH bond. In compound 1, the Zn(II) metal ion has a tetrahedral geometry, whereas, in 2, the dinuclear [Cd2(COO)2] moiety acts as a secondary building unit and the Cd(II) ion possesses a distorted octahedral geometry. Recently, several CPs have been explored for the cyanosilylation reaction under conventional conditions, but microwave-assisted cyanosilylation of aldehydes catalyzed by CPs has not yet been well studied. Thus, we have tested the solvent-free microwave-assisted cyanosilylation reactions of different aldehydes, with trimethylsilyl cyanide, using our synthesized compounds, which behave as highly active heterogeneous catalysts. The coordination polymer 1 is more effective than 2, conceivably due to the higher Lewis acidity of the Zn(II) than the Cd(II) center and to a higher accessibility of the metal centers in the former framework. We have also checked the heterogeneity and recyclability of these coordination polymers, showing that they remain active at least after four recyclings.

scholarly journals Detection of nitroaromatic vapours with diketopyrrolopyrrole thin films: exploring the role of structural order and morphology on thin film properties and fluorescence quenching efficiency

2015 ◽  
Vol 51 (6) ◽  
pp. 1143-1146 ◽  
Author(s):  
Monika Warzecha ◽  
Jesus Calvo-Castro ◽  
Alan R. Kennedy ◽  
Alisdair N. Macpherson ◽  
Kenneth Shankland ◽  
...  
Keyword(s):  
Thin Film ◽  
Thin Films ◽  
Fluorescence Quenching ◽  
Optical Detection ◽  
Film Properties ◽  
Structural Order ◽  
Quenching Efficiency ◽  
First Time

Sensitive optical detection of nitroaromatic vapours with diketopyrrolopyrrole thin films is reported for the first time.

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