Design of 3D-supramolecular metal organic framework of zinc as photocatalyst for the degradation of methylene blue through advanced oxidation process

Sindhu, T. K.; Pavithran, Rani; Vidhya, A

doi:10.1016/j.molstruc.2021.131039

Journal of Molecular Structure

2021

DOI: 10.1016/j.molstruc.2021.131039

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Design of 3D-supramolecular metal organic framework of zinc as photocatalyst for the degradation of methylene blue through advanced oxidation process

T. K. Sindhu

Rani Pavithran

A Vidhya

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2022

2024

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Cited by 17 publications

References 44 publications

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A new 3D Zn(II)‐based coordination polymer with kgd topology as potent photocatalyst for antibiotic degradation

Bao,

Tan,

et al. 2024

Applied Organom Chemis

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A new coordination polymer (CP) with composition [Zn3(bpyp)2(TCB)2(H2O)2]n (1) has been engendered by performing reaction of Zn(II) with 1,3,5‐tris‐(4‐carboxyphenyl)benzene (H3TCB) and 2,5‐bis(pyrid‐4‐yl)pyridine (bpyp) under solvothermal condition. The single crystal X‐ray diffraction analysis for 1 suggests kgd topological behavior having resemblance with a tessellation composed of diamond shapes arranged in a star pattern and represented by the Schläfli symbol {41}2{42·62·81}. This newly designed CP exhibits optical band gap of 2.92 eV and employed as photocatalyst for photodegradation of antibiotics, namely, nitrofurazone (NFZ), chloramphenicol (CAP), sulfasalazine (SLA), oxytetracycline (OXY), and furazolidone (FZD). Among these antibiotics, 1 displays best photocatalytic activity against the photodegradation of NFZ and under optimized conditions viz. photocatalyst dosage of 15 mg, and initial NFZ concentration of 40 ppm, the CP 1 displays best catalytic performance and photo‐decomposed 93.04% NFZ with pseudo first order rate constant k of 0.04502 min−1 in 1 h. The likely photocatalytic mechanism has been evaluated using theoretical calculations.

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A new 3D Zn(II)‐based coordination polymer with kgd topology as potent photocatalyst for antibiotic degradation

Bao,

Tan,

et al. 2024

Applied Organom Chemis

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5‐(4′‐carboxylphenoxy) isophthalic acid and 1, 4‐bis(1‐imidazolyl)benzene appended Co(II)‐based MOF as efficient photocatalyst for nitrofurantoin degradation

Wang,

Pu,

et al. 2024

Applied Organom Chemis

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A new Cobalt(II)‐based metal–organic framework (MOF) with composition [Co2(μ2‐OH)(L)(bib)·H2O·2DMA]n (1) (H3L = 5‐[4′‐carboxylphenoxy] isophthalic acid, bib = 1, 4‐bis[1‐imidazolyl]benzene, DMA = dimethylacetamide) has been solvothermally synthesized and characterized. The MOF exhibits unprecedented topology with Schläfli symbol (43)2(4.66.1686) and display optical band gap of 3.68 eV and hence utilized as photocatalyst to photodegrade antibiotics such as metronidazole, tinidazole, nitrofurantoin, and dimetridazole. Among these antibiotics, it displays exceptional photocatalytic degradation of nitrofurantoin. Additional studies suggest that at pH 5 and 5 mg/L dosage of 1, 99.66% of nitrofurantoin decomposes at its 40 ppm concentration. Further, mechanistic pathway for light‐driven nitrofurantoin decomposition has been explored by utilizing experimental, namely, radical trapping experiments and computational techniques employing density of states and Hirshfeld surface analyses.

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Metal–organic framework‐based heterojunction photocatalysts for organic pollutant degradation: design, construction, and performances

Belousov

Fukina

Koryagin

2022

J of Chemical Tech & Biotech

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Heterogeneous photocatalysis has been considered one of the most attractive alternative routes to transforming naturally abundant, clean, and sustainable solar energy into chemical energy. Nowadays, the most popular heterogeneous photocatalyst, titanium dioxide, has already found applications for water splitting to produce hydrogen and oxygen, for the degradation of organic pollutants, for air purification, and for the creation of self‐cleaning coatings. However, TiO2 has a significant limitation: a large band gap (3.0–3.4 eV) that makes it impossible to use anything other than ultraviolet illumination to initiate photocatalytic processes. With a focus on efficient solar‐energy utilization, the development of new photocatalysts that are sensitive to visible light is an important direction in the theory and practice of heterogeneous photocatalysis. In this regard, the use of metal–organic frameworks (MOFs) is an attractive route; they have emerged as an interesting class of materials for applications in photoreactions due to their flexible tunability in composition, structure, and functional properties, along with their facilitated adsorption towards chemicals and their efficient light absorption. Moreover, they can be composed with other semiconductors to produce heterojunctions (e.g., type‐II, Z‐scheme, and S‐scheme), whose effectiveness in photogenerated charge separation has already been proven by many examples. The present critical review reports progress over the last 5 years in the preparation and activity of metal–organic framework‐based heterojunction photocatalysts for the degradation of organic pollutants. © 2022 Society of Chemical Industry (SCI).

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Design of 3D-supramolecular metal organic framework of zinc as photocatalyst for the degradation of methylene blue through advanced oxidation process

Cited by 17 publications

References 44 publications

A new 3D Zn(II)‐based coordination polymer with kgd topology as potent photocatalyst for antibiotic degradation

A new 3D Zn(II)‐based coordination polymer with kgd topology as potent photocatalyst for antibiotic degradation

5‐(4′‐carboxylphenoxy) isophthalic acid and 1, 4‐bis(1‐imidazolyl)benzene appended Co(II)‐based MOF as efficient photocatalyst for nitrofurantoin degradation

Metal–organic framework‐based heterojunction photocatalysts for organic pollutant degradation: design, construction, and performances

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