A5013035203- Molecular Sensors and Ion Detection
- Metal-Organic Frameworks: Synthesis and Applications
- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Luminescence and Fluorescent Materials
- Lanthanide and Transition Metal Complexes
- Magnetism in coordination complexes
- Covalent Organic Framework Applications
- Advanced Nanomaterials in Catalysis
- Mercury impact and mitigation studies
- Polyoxometalates: Synthesis and Applications
- Analytical chemistry methods development
- thermodynamics and calorimetric analyses
- Advanced biosensing and bioanalysis techniques
- Crystallography and molecular interactions
- Carbon and Quantum Dots Applications
Visva-Bharati University
2020-2024
Siksha O Anusandhan University
2020-2021
A Zn-based MOCP showed non-monotonous luminescence responses towards Al<sup>3+</sup>, Cr<sup>3+</sup> and Fe<sup>3+</sup> due to complexation based on hard–hard acid–base interactions that resulted in increased rigidity for Al<sup>3+</sup> LMCT using vacant d-orbitals of Fe<sup>3+</sup>.
A new cerium(III)-based coordination polymer, [Ce(HCOO)(2,5-pydc)] (where 2,5-pydc = 2,5-pyridinedicarboxylate), 1, has been fruitfully synthesized using the solvothermal method. single-crystal X-ray diffraction study established three-dimensional structure of compound 1. Ce3+ ions are in a tricapped trigonal prismatic geometry. The phase purity 1 confirmed by powder diffraction, thermogravimetric analysis, and IR spectroscopic studies. Aqueous dispersion gives luminescence emission at 350...
A Tb-doped Y-based MOF was constructed for simultaneous recognition of noxious anions HAsO<sub>4</sub><sup>2−</sup>, PO<sub>4</sub><sup>3−</sup>, MnO<sub>4</sub><sup>−</sup>, CrO<sub>4</sub><sup>2−</sup> and Cr<sub>2</sub>O<sub>7</sub><sup>2−</sup> in water.
A cadmium based MOF showed room temperature phosphorescence and interacted very selectively with Hg<sup>2+</sup> ions. The emission at 520 nm gradually disappeared while low intensity fluorescence 383 increased.
A Co(<sc>ii</sc>)-based metal–organic compound exhibits luminescence turn-on by Al<sup>3+</sup> and quenching Fe<sup>3+</sup> due to the formation of charge-transfer complexes/adducts.
The ligand sensitized Tb<sup>3+</sup> centered emission of Tb-doped Y-based hydroxyl functionalized MOFs has been utilized for pH sensing in the visible range.
A luminescent metal–organic framework with the molecular formula [YMn1.5(C7N1H3O5)3(H2O)6]·11H2O, 1 {where C7N1H3O5 = chelidamate}, was synthesized by a hydrothermal method employing chelidamic acid as an organic ligand and Y(III) Mn(II) metal ions. two-dimensional heterobimetallic structure phenolic hydroxyl-functionalized pockets revealed single-crystal X-ray diffraction analysis of compound 1. PXRD, TGA, IR, BET analysis, UV–vis spectroscopy were used for thorough characterization Upon...
Direct CO 2 incorporation from atmospheric and formation of zwitterionic carbamate during the synthesis rare earth based coordination polymer was shown.
A europium-doped MOC shows interesting metal and ligand-centered luminescence response from pH 2 to 11.
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