Doxycycline detection and degradation in aqueous media via simultaneous synthesis of Fe-N@carbon dots and Fe3O4-carbon dot hybrid nanoparticles: a one arrow two hawk approach

Kaur, Navdeep; Tiwari, Pranav; Abbas, Zahir; Mobin, Shaikh M.

doi:10.1039/d2tb00475e

Cited by 13 publications

(8 citation statements)

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“…Due to being inexpensive and its use of light as a clean, renewable energy source, photocatalysis has garnered considerable interest among the many treatment methods for several years. , Tetracycline (TC), also known as tetracycline chloride, is the second-most widely used antibiotic in the world for treating illnesses brought on by bacteria and protozoa. − The endocrine system disruption caused by these antibiotic pollutants harms aquatic ecosystems and human health. The water stream, typically contaminated, may also result from disposing of unused and expired drugs into the trash or sink .…”

Section: Adsorption Applications By Mofsmentioning

confidence: 99%

Highlights in Interface of Wastewater Treatment by Utilizing Metal Organic Frameworks: Purification and Adsorption Kinetics

Kumar,

Abbas,

Kumar

et al. 2024

Langmuir

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Polluted water has become a concern for the scientific community as it causes many severe threats to living beings. Detection or removal of contaminants present in wastewater and attaining purity of water that can be used for various purposes are a primary responsibility. Different treatment methods have already been used for the purification of sewage. There is a need for low-cost, highly selective, and reusable materials that can efficiently remove pollutants or purify contaminated water. In this regard, MOFs have shown significant potential for applications such as supercapacitors, drug delivery, gas storage, pollutant adsorption, etc. The outstanding structural diversity, substantial surface areas, and adjustable pore sizes of MOFs make them superior candidates for wastewater treatment. This Review provides an overview of the interaction science and engineering (kinetic and thermodynamic aspects with interactions) underpinning MOFs for water purification. First, fundamental strategies for the synthesis methods of MOFs, different categories, and their applicability in wastewater treatment are summarized, followed by a detailed explanation of various interaction mechanisms. Finally, current challenges and future outlooks for research on MOF materials toward the adsorption of hazardous components are discussed. A new avenue for modifying their structural characteristics for the adsorption and separation of hazardous materials, which will undoubtedly direct future work, is also summarized.

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Section: Adsorption Applications By Mofsmentioning

confidence: 99%

Highlights in Interface of Wastewater Treatment by Utilizing Metal Organic Frameworks: Purification and Adsorption Kinetics

Kumar,

Abbas,

Kumar

et al. 2024

Langmuir

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“…The binding energy value found from XPS spectrum of O 1s showed peaks in all cases are similar and are in the same range of 530 eV, Figure S3b. [72] In case of iron oxide supported on carbon, the XPS peaks were found for C 1s, having binding energy values of 284.8 eV, 286.1 eV and 288.5 eV, Figure S3c.…”

Section: Characterization Of Cuo/c Materialsmentioning

confidence: 99%

Iron and Copper Catalysts Derived from Inorganic Waste for Dye Degradation

et al. 2023

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Dyes like methyl violet (MV) and methyl orange (MO) released from textile industries are considered to be water pollutants. Likewise metal waste from electronic devices and from metallurgical industries are causing harmful effects. Therefore, looking into the negative impact of such waste materials herein copper oxide (CuO) and iron oxide (Fe 3 O 4 ) photocatalysts were prepared from electronic and candle waste, respectively materials. The metal oxides were supported on a graphitic carbon matrix obtained from waste tea leaves. The synthesized materials were well characterized using different analytical techniques. The carbon-supported CuO and Fe 3 O 4 catalysts exhibited good photocatalytic activity under UV-light irradiation in the photo-degradation of coloured dyes like methyl orange (MO) and methyl violet (MV). The copper (Cu)-catalyst with band gap like that of titanium dioxide (TiO 2 ) showed superior activity over the iron (Fe)-catalyst under identical conditions. Cu-catalyst was found to degrade the dyes within 10-15 min while it took longer time with Fe-catalyst up to 50 min. The measure of total organic content (TOC) after the dye-degradation study implied that Cu-catalyst can carbonize MV upto 89.6 % within 15 min while the same was found to be less (79.5 %) for MO. The ability of the synthesized photocatalysts from waste materials in dye degradation was monitored through FTIR analysis. The mechanistic study suggested the involvement of both the holes and free radicals in the photooxidation of dye components.

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“…This method utilized only FeCl 2 as the iron salt, citric acid, a biomolecule, as the carbon precursor, and ethylenediamine. 29 Likewise, Abbas et al developed graphene nanoplatelets (GNP)/MoS 2 using a simple liquid-phase exfoliation method, employing gelatin as the sole agent without additional additives. The biomolecule gelatin, acting as a stabilizer and an exfoliant, ensures exceptional colloidal stability for the material.…”

Section: Introductionmentioning

confidence: 99%

Glutathione-Mediated Synthesis of WO₃ Nanostructures with Controllable Morphology/Phase for Energy Storage, Photoconductivity, and Photocatalytic Applications

Barhoi,

Mahto,

Ali

et al. 2024

Langmuir

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Developing an improved synthesis method that controls the morphology and crystal phase remains a substantial challenge. Herein, we report phase and morphologycontrolled hydrothermal synthesis of tungsten oxides by varying acid concentration and utilizing glutathione (GSH) as a structural directing agent, together with the exploration of their applications in supercapacitors, photoconductivity, and photocatalysis. Orthorhombic hydrated tungsten oxide (WO 3 •0.33H 2 O) with nonuniform block and plate-like morphology was obtained at 3 M hydrochloric acid (HCl). In contrast, nonhydrated monoclinic tungsten oxide (WO 3 ) with smaller rectangular blocks was obtained at 6 M HCl. Further, the addition of GSH results in an increase in the surface area of the materials along with a narrowing of the band gap. Moreover, it plays a pivotal role in regulating the morphology through oriented attachments, Ostwald ripening, and the self-assembly of WO 3 nuclei. GHTO and GTO polymorphs showed pseudocapacitive behavior with the highest specific capacitances of 450 and 300 F g −1 at 0.5 A g −1 , maintaining 94 and 92% retention stability, respectively, over 1000 cycles at 2 A g −1 . Also, the synthesized materials displayed favorable photoconductivity under light irradiation, implying potential utilization in photovoltaic applications. Moreover, these materials exhibited remarkable photocatalytic performance in the degradation of methylene blue (MB) dye, establishing themselves as highly effective photocatalysts. Therefore, nanostructured tungsten oxide showcases its versatility, rendering it an appealing candidate for energy storage, photovoltaic systems, and photocatalysis.

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Doxycycline detection and degradation in aqueous media via simultaneous synthesis of Fe-N@carbon dots and Fe₃O₄-carbon dot hybrid nanoparticles: a one arrow two hawk approach

Abstract: The overuse of antibiotics in recent years presents a huge challenge to society for their removal from the environment. The prolonged presence of antibiotics as environmental pollutants results in the...

Cited by 13 publications

References 76 publications

Highlights in Interface of Wastewater Treatment by Utilizing Metal Organic Frameworks: Purification and Adsorption Kinetics

Highlights in Interface of Wastewater Treatment by Utilizing Metal Organic Frameworks: Purification and Adsorption Kinetics

Iron and Copper Catalysts Derived from Inorganic Waste for Dye Degradation

Glutathione-Mediated Synthesis of WO₃ Nanostructures with Controllable Morphology/Phase for Energy Storage, Photoconductivity, and Photocatalytic Applications

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Doxycycline detection and degradation in aqueous media via simultaneous synthesis of Fe-N@carbon dots and Fe3O4-carbon dot hybrid nanoparticles: a one arrow two hawk approach

Abstract: The overuse of antibiotics in recent years presents a huge challenge to society for their removal from the environment. The prolonged presence of antibiotics as environmental pollutants results in the...

Cited by 13 publications

References 76 publications

Highlights in Interface of Wastewater Treatment by Utilizing Metal Organic Frameworks: Purification and Adsorption Kinetics

Highlights in Interface of Wastewater Treatment by Utilizing Metal Organic Frameworks: Purification and Adsorption Kinetics

Iron and Copper Catalysts Derived from Inorganic Waste for Dye Degradation

Glutathione-Mediated Synthesis of WO3 Nanostructures with Controllable Morphology/Phase for Energy Storage, Photoconductivity, and Photocatalytic Applications

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Doxycycline detection and degradation in aqueous media via simultaneous synthesis of Fe-N@carbon dots and Fe₃O₄-carbon dot hybrid nanoparticles: a one arrow two hawk approach

Glutathione-Mediated Synthesis of WO₃ Nanostructures with Controllable Morphology/Phase for Energy Storage, Photoconductivity, and Photocatalytic Applications