A 5-aminoisophthalic acid low molecular weight gelator based novel semiconducting supramolecular Zn(<scp>ii</scp>)-metallogel: unlocking an efficient Schottky barrier diode for microelectronics

Dhibar, Subhendu; Pal, Baishakhi; Karmakar, Kripasindhu; Roy, Sanjay; Hafiz, Sk Abdul; Roy, Arpita; Bhattacharjee, Subham; Ray, Soumya Jyoti; Ray, Partha Pratim; Saha, Bidyut

doi:10.1039/d3na00671a

Cited by 5 publications

(2 citation statements)

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“…The introduction of CO 3 2– ions, due to hydrolysis, increases the pH value of the solution, resulting in an alkaline environment. This condition facilitates the generation of TCH – and TCH 2– ions from TC, creating electrostatic repulsion and subsequently reducing PMABC-200s adsorption capacity for TC . On the other hand, NO 3 – and SO 4 2– ions may either form bonds with TC molecules or occupy specific active sites on the PMABC-200 surface, leading to a decrease in TC adsorption .…”

Section: Resultsmentioning

confidence: 99%

Enhanced Adsorptive Removal of Tetracycline by Phosphomolybdic Acid-Modified Low-Temperature Sludge Biochar

Zhao,

Li,

Wang

et al. 2023

Langmuir

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Increasing the adsorption capacity and reducing the energy consumption of sludge biochar during preparation is important. In this study, a new modification method was developed to prepare phosphomolybdic acid-modified sludge biochar through the low-temperature pyrolysis of sewage sludge using phosphomolybdic acid as a modifier. Tetracycline was used to assess the adsorption performance of sludge biochar, and phosphomolybdic acid-modified sludge biochar was prepared at different temperatures. The results showed that the adsorption capacity of sludge biochar improved from 84.49 to 120.86 mg/g through modification with phosphomolybdic acid at 200 °C. The maximum adsorption capacities of phosphomolybdic acid-modified sludge biochar (200 °C pyrolysis temperature) at 298, 308, and 318 K were 283.87, 421.39, and 545.48 mg/g, respectively. Both liquid film and intraparticle diffusion were the main rate-limiting steps of tetracycline adsorption by phosphomolybdic acid-modified sludge biochar. Furthermore, the adsorption of tetracycline by phosphomolybdic acid-modified sludge biochar was mainly attributed to π−π interactions, electrostatic interactions, hydrogen bonding, and pore filling.

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Section: Resultsmentioning

confidence: 99%

Enhanced Adsorptive Removal of Tetracycline by Phosphomolybdic Acid-Modified Low-Temperature Sludge Biochar

Zhao,

Li,

Wang

et al. 2023

Langmuir

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“…Gelator molecules are briefly classified into two categories, viz., low molecular weight gelators (LMWGs), and high molecular weight gelators (HMWGs). Notably, low molecular weight gels (LMWGs) stand out as a focal point of interest due to their exceptional properties and adaptability in the broad area of research and applications. , LMWGs can be used to fabricate versatile materials with potential applications in various fields including pharmaceuticals, cosmetics, and materials science. The mechanical strength and viscoelastic properties of LMWGs can be easily modified by varying the molecular structure or the external conditions.…”

Section: Introductionmentioning

confidence: 99%

A Siderophore Mimicking Gelation Component for Capturing and Self-Separation of Fe(III) from an Aqueous Solution of Mixture of Metal Ions

Munjal,

Kyarikwal,

Sarkar

et al. 2024

Inorg. Chem.

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The carbohydrazide-based gelation component N 2 ,N 4 ,N 6 -(1,3,5-triazine-2,4,6-triyl)tris(benzene-1,3,5-tricarbohydrazide) (CBTC) was synthesized and characterized using various spectroscopic tools. CBTC and trimesic acid (TMA) get selfassembled to form metallogel with Fe 3+ , specifically through various noncovalent interactions in a DMSO and H 2 O mixture. The self-assembly shows remarkable specificity toward Fe(III) among different transition metal salts. It is pertinent to point out that the binding specificity for Fe 3+ can also be found in nature in the form of siderophores, as they are mainly involved in scavenging iron selectively from the surroundings. DFT studies have been used to investigate the possible interaction between the different components of the iron metallogel. To determine the selectivity of CBTC for iron, CBTC, along with trimesic acid, is used to interact with other metal ions, including Fe(III) ions, in a single system. The gelation components CBTC and TMA selectively bind with iron(III), which leads to the formation of metallogel and gets separated as a discrete layer, leaving the other metal ions in the solution. Therefore, CBTC and TMA together show iron-scavenging properties. This selective scavenging property is explored through FE-SEM, XPS, PXRD, IR, and ICP-AES analysis. The FE-SEM analysis shows a flower-petal-like morphology for the Fe(III) metallogel. The resemblance in the CBTC-TMA-Fe metallogel and metallogel obtained from the mixture of different metal salts is established through FE-SEM images and XPS analysis. The release of iron from the metallogel is achieved with the help of ascorbic acid, which converts Fe 3+ to Fe 2+ . In biological systems, iron also gets released similarly from siderophores. This is the first report where the synthesized gelation component CBTC molecule is capable of scavenging out iron in the form of metallogel and self-separating from the aqueous mixture in the presence of various other metal ions.

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Amide functional low molecular weight gelator based metallogel

Alam,

Mondal,

Sarma

2024

Coordination Chemistry Reviews

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A 5-aminoisophthalic acid low molecular weight gelator based novel semiconducting supramolecular Zn(ii)-metallogel: unlocking an efficient Schottky barrier diode for microelectronics

Abstract: A novel method has been successfully developed for creating supramolecula rmetallogels using zinc(II) ions and 5-aminoisophthalic acid as the gelator (low molecular weight gelator) in a dimethylformamide (DMF) solvent at...

Cited by 5 publications

References 84 publications

Enhanced Adsorptive Removal of Tetracycline by Phosphomolybdic Acid-Modified Low-Temperature Sludge Biochar

Enhanced Adsorptive Removal of Tetracycline by Phosphomolybdic Acid-Modified Low-Temperature Sludge Biochar

A Siderophore Mimicking Gelation Component for Capturing and Self-Separation of Fe(III) from an Aqueous Solution of Mixture of Metal Ions

Amide functional low molecular weight gelator based metallogel

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