A Chemically Robust 2D Ni‐MOF as an Efficient Heterogeneous Catalyst for One‐Pot Synthesis of Therapeutic and Bioactive 2‐Amino‐3‐Cyano‐4H‐Pyran Derivatives DOI
Supriya Mondal, Bikram Pramanik, Rupam Sahoo

et al.

ChemSusChem, Journal Year: 2024, Volume and Issue: unknown

Published: July 10, 2024

Abstract Despite possessing numerous catalytic advantages of MOFs, developing 2D frameworks having excellent chemical stability along with new properties remains a grand challenge. Herein, by employing mixed ligand synthetic approach, we have constructed Ni‐MOF, IITKGP‐52 , which exhibits framework robustness in open air, water, as well over wide range aqueous pH solutions (2–12). Benefitting from its and abundant Lewis acidic metal sites (OMSs), is explored catalyzing the heterogeneous three‐component condensation reaction for tandem synthesis bioactive 2‐amino‐3‐cyano‐4H‐pyran derivatives low loading, greater compatibility substrates, recyclability superior efficiency than previously employed homo systems. inaugurates employment MOF‐based catalysts one‐pot therapeutic derivatives.

Language: Английский

pH-Stable Zn(II) Coordination Polymer as a Multiresponsive Turn-On and Turn-Off Fluorescent Sensor for Aqueous Medium Detection of Al(III) and Cr(VI) Oxo-Anions DOI
Supriya Mondal, Rupam Sahoo, Madhab C. Das

et al.

Inorganic Chemistry, Journal Year: 2023, Volume and Issue: 62(34), P. 14124 - 14133

Published: Aug. 17, 2023

Nowadays, coordination polymers (CPs) are promising candidates as sensory materials for their high sensitivity, improved selectivity, fast responsive nature, well good recyclability. However, poor chemical stability often makes practical usage limited. Herein, employing a mixed ligand approach, we constructed chemically robust CP, {[Zn2L2(DPA)2]·3H2O}n (IITKGP-70, IITKGP stands the Indian Institute of Technology Kharagpur), which exhibited excellent framework robustness not only in water but also over broad range pH solutions (pH = 3–11). The developed displayed selectivity and sensitivity detection trivalent Al3+ ions toxic hexavalent Cr(VI)-oxo anions an aqueous medium. medium turn-on phenomenon with limit (LOD) value 1.29 μM, whereas turn-off effect was observed oxo-anions (Cr2O72– CrO42–) having LOD values 0.27 0.71 respectively. Both mechanisms speculated via spectroscopic methods coupled several ex situ studies. Such multiresponsive nature (both turn-off) targeted cations simultaneously single platform robustness, ease scalability, recyclability, fast-responsive IITKGP-70 highly fascinating material real-world applications.

Language: Английский

Citations

26
Critical Perspectives on Metal–Organic Frameworks and Their Composites for the Adsorptive Removal of Antibiotics from Wastewater Matrices DOI
Debolina Mukherjee,

Janaki Behera,

Supriya Mondal

et al.

Crystal Growth & Design, Journal Year: 2023, Volume and Issue: 23(11), P. 7612 - 7634

Published: Sept. 27, 2023

Antibiotics have recently emerged as a significant class of organic pollutants for ground and drinking water raised widespread concern due to their adverse environmental consequences. For instance, they stimulate the generation antibiotic-resistant genes that detrimental effects on entire biosphere. The removal these antibiotics from matrices has always remained daunting task. Metal–organic frameworks (MOFs) with high surface area, tunable porosity, rich structural chemistry, tailorability grabbed immense attention efficient adsorptive various via strong host–guest interactions. Here, in this Perspective, we rationally reviewed state-of-the-art advancements MOFs composites antibiotic classes. Moreover, different strategies improve adsorption factors affecting are critically presented. Various types categorically organized, systems is discussed. Advantages pitfalls over other classical porous materials particularly stated both academic industrial viewpoints. Finally, challenges future outlook discussed guide further development multifunctional MOF-based

Language: Английский

Citations

23
Stability of Zr-Based UiO-66 Metal–Organic Frameworks in Basic Solutions DOI Creative Commons

Jun Yeong Kim,

Jiwon Kang,

Seungheon Cha

et al.

Nanomaterials, Journal Year: 2024, Volume and Issue: 14(1), P. 110 - 110

Published: Jan. 2, 2024

Although Zr-based metal-organic frameworks (MOFs) exhibit robust chemical and physical stability in the presence of moisture acidic conditions, their susceptibility to nucleophilic attacks from bases poses a critical challenge overall stability. Herein, we systematically investigate UiO-66 (UiO = University Oslo) MOFs basic solutions. The impact 11 standard bases, including inorganic salts organic on these is examined. destruction framework confirmed through powder X-ray diffraction (PXRD) patterns, monitored dissolution ligands assessed using nuclear magnetic resonance (NMR) spectroscopy. Our key findings reveal direct correlation between strength concentration base MOFs. summarized data provide valuable insights that can guide practical application under offering essential information for optimal utilization various settings.

Language: Английский

Citations

14
Optimizing supercapacitive performance of MXene through MOF-derived nickel ferrite nanoparticle integration DOI

S.R. Shingte,

Vijay D. Chavan, Rushikesh P. Dhavale

et al.

Journal of Energy Storage, Journal Year: 2024, Volume and Issue: 92, P. 112169 - 112169

Published: May 23, 2024

Language: Английский

Citations

14
Advances on silver-based MOFs and/or CPs and their composites: Synthesis strategies and applications DOI
Supriya Mondal, Rupam Sahoo, Janaki Behera

et al.

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 514, P. 215924 - 215924

Published: May 11, 2024

Language: Английский

Citations

10
Synergetic Ni–Ce Active Sites in Mixed Cerium/Zirconium Metal–Organic Framework Nodes for Selective Methane Oxidation into Ethanol DOI

Wahida Begum,

Manav Chauhan,

Rahul Kalita

et al.

ACS Catalysis, Journal Year: 2024, Volume and Issue: 14(14), P. 10427 - 10436

Published: June 26, 2024

The direct oxidation of methane into ethanol with high productivity under mild conditions is a grand challenge. We report the development mixed cerium/zirconium metal–organic framework (MOF) nodes-supported mononuclear nickel(II)-hydroxyl species [Cex/Zry–UiO–Ni(OH)] as efficient heterogeneous catalysts for transformation ethanol. Ni2+ ion in Cex/Zry–UiO–Ni(OH) MOFs coordinates μ4–O–, one hydroxy group, and two neutral carboxylate oxygens, which are directly bonded to Ce4+ at metal-oxo nodes. spectroscopic control experiments theoretical calculations reveal that precise composition mixed-metal node, isolation mono Ni-hydroxyl cooperative Ni–Ce active sites confined within porous UiO-MOFs promote facile C–H activation 80 °C, leading formation •CH3 radicals subsequent C–C coupling pores produce an extraordinarily yield 6521 mmol gNi–1 >93% selectivity, outperforming most current reports. Our mechanistic investigation suggests proceeds via dual catalytic cycle, doping MOF's node proximity between ions lead reversible Ce–Ocarboxylate bond dissociation Ni–(μ2–OH)–Ce formation, key radical turnover limiting step. This work highlights importance metal-MOFs designing well-defined heterobimetallic-supported valorization light alkanes catalysis.

Language: Английский

Citations

10
Robust and highly proton conductive COF composite membranes for fuel cell and electrochemical hydrogen compression DOI

Zhong Gao,

Zhuoyu Yin,

Yan Kong

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 490, P. 151368 - 151368

Published: April 16, 2024

Language: Английский

Citations

9
Mechanistical Insights into the Ultrasensitive Detection of Radioactive and Chemotoxic UO22+ Ions by a Porous Anionic Co-Metal–Organic Framework DOI
Supriya Mondal, Annette Mariya Tedy,

Santanu Chand

et al.

Inorganic Chemistry, Journal Year: 2024, Volume and Issue: 63(22), P. 10403 - 10413

Published: May 18, 2024

Development of a simple, cost-efficient, and portable UO22+ sensory probe with high selectivity sensitivity is highly desirable in the context monitoring radioactive contaminants. Herein, we report luminescent Co-based metal–organic framework (MOF), {[Me2NH2]0.5[Co(DATRz)0.5(NH2BDC)]·xG}n (1), equipped abundant amino functionalities for selective detection uranyl cations. The ionic structure consists two types channels decorated plentiful Lewis basic moieties, which trigger stronger acid–base interaction diffused cationic units thus can selectively quench fluorescence intensity presence other interfering ions. Furthermore, limit sensing was achieved to be as low 0.13 μM (30.94 ppb) rapid responsiveness multiple recyclabilities, demonstrating its excellent efficacy. Density functional theory (DFT) calculations further unraveled preferred binding sites ions tubular channel MOF structure. Orbital hybridization between NH2BDC/DATRz together significantly large electron-accepting ability identified responsible luminescence quenching. More importantly, prepared 1@PVDF {poly(vinylidene difluoride)} mixed-matrix membrane (MMM) displayed good activity comparable 1, great significance their practical employment MOF-based luminosensors real-world application.

Language: Английский

Citations

9
Selective Monoborylation of Methane by Metal-Organic Framework Confined Mononuclear Pyridylimine-Iridium(I) Hydride DOI

Rahul Kalita,

Manav Chauhan,

Poorvi Gupta

et al.

Chemical Communications, Journal Year: 2024, Volume and Issue: 60(51), P. 6504 - 6507

Published: Jan. 1, 2024

Chemoselective monoborylation of methane in high yield is a grand challenge. We have developed metal-organic framework confined pyridylimine-iridium hydride catalyst, which efficient C-H borylation using bis(pinacolato)diboron to afford methyl boronic acid pinacol ester 98% GC-yield at 130 °C with TON 196. Mechanistic investigation suggests the oxidative addition Ir

Language: Английский

Citations

9
A review of biocompatible polymer-functionalized two-dimensional materials: Emerging contenders for biosensors and bioelectronics applications DOI Creative Commons

Tahreem Zahra,

Umme Javeria,

Hasan Jamal

et al.

Analytica Chimica Acta, Journal Year: 2024, Volume and Issue: 1316, P. 342880 - 342880

Published: June 18, 2024

Bioelectronics, a field pivotal in monitoring and stimulating biological processes, demands innovative nanomaterials as detection platforms. Two-dimensional (2D) materials, with their thin structures exceptional physicochemical properties, have emerged critical substances this research. However, these materials face challenges biomedical applications due to issues related compatibility, adaptability, functionality, nano-bio surface characteristics. This review examines modifications using covalent non-covalent-based polymer-functionalization strategies overcome limitations by enhancing the functionality of 2D nanomaterials. These aim create stable long-lasting therapeutic effects, significantly paving way for practical application polymer-functionalized biosensors bioelectronics. The paper critically summarizes functionalization biocompatible polymers, including g-C3N4, graphene family, MXene, BP, MOF, TMDCs, highlighting current state, structures, synthesis methods, material characteristics, concludes discussion prospects, challenges, numerous opportunities evolving

Language: Английский

Citations

9