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  1. AU="Jarvin, M."
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  1. Article: A study of the structural, morphological, and optical properties of shock treated SnO2 nanoparticles: removal of Victoria blue dye

    Jarvin, M. / Inbanathan, S.S.R. / Rani Rosaline, D. / Josephine Prabha, A. / Martin Britto Dhas, S.A.

    Heliyon. 2022 June, v. 8, no. 6

    2022  

    Abstract: In this work, Tin Oxide (SnO₂) nanoparticles (NPs) were prepared by green microwave followed by hydrothermal methods, using tea extract as a reducing agent. To verify the stability of physical and chemical properties of SnO₂ NPs, samples were subjected ... ...

    Abstract In this work, Tin Oxide (SnO₂) nanoparticles (NPs) were prepared by green microwave followed by hydrothermal methods, using tea extract as a reducing agent. To verify the stability of physical and chemical properties of SnO₂ NPs, samples were subjected to shock impulsion experimentation. Different characterization techniques were employed to analyze the crystallinity, molecular structure, and optical parameters of the control SnO₂ and shock wave exposed SnO₂ NPs. Powder X-ray diffraction (PXRD) revealed no significant change in crystal structure. Williamson – Hall analysis demonstrates that the stress and strain between Sn–O changes during the impulsion of shocks. Rietveld analysis reveals change in the bond length between Sn–O. The molecular structure is not affected during shock loading, but the optical properties do change. From the photocatalytic experiment, we find that the parameters such as stress, strain, and bond length make an enormous impact in photocatalytic application.
    Keywords X-ray diffraction ; crystal structure ; dyes ; photocatalysis ; tea ; tin dioxide
    Language English
    Dates of publication 2022-06
    Publishing place Elsevier Ltd
    Document type Article
    ZDB-ID 2835763-2
    ISSN 2405-8440
    ISSN 2405-8440
    DOI 10.1016/j.heliyon.2022.e09653
    Database NAL-Catalogue (AGRICOLA)

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  2. Article: A study of the structural, morphological, and optical properties of shock treated SnO

    Jarvin, M / Inbanathan, S S R / Rani Rosaline, D / Josephine Prabha, A / Martin Britto Dhas, S A

    Heliyon

    2022  Volume 8, Issue 6, Page(s) e09653

    Abstract: In this work, Tin Oxide ( ... ...

    Abstract In this work, Tin Oxide (SnO
    Language English
    Publishing date 2022-06-06
    Publishing country England
    Document type Journal Article
    ZDB-ID 2835763-2
    ISSN 2405-8440
    ISSN 2405-8440
    DOI 10.1016/j.heliyon.2022.e09653
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Remarkable photocatalytic performances towards pollutant degradation under sunlight and enhanced electrochemical properties of TiO

    Jarvin, Mariadhas / Rosaline, Daniel Rani / Gopalakrishnan, Thamizharasan / Kamalam, Maniveldoss Beaula Ruby / Foletto, Edson Luiz / Dotto, Guilherme Luiz / Inbanathan, Savariroyan Stephen Rajkumar

    Environmental science and pollution research international

    2023  Volume 30, Issue 22, Page(s) 62832–62846

    Abstract: In this work, ... ...

    Abstract In this work, TiO
    MeSH term(s) Sunlight ; Polymers ; Environmental Pollutants ; Light ; Titanium/chemistry ; Catalysis ; Nanocomposites/chemistry
    Chemical Substances titanium dioxide (15FIX9V2JP) ; Polymers ; Environmental Pollutants ; Titanium (D1JT611TNE)
    Language English
    Publishing date 2023-03-22
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1178791-0
    ISSN 1614-7499 ; 0944-1344
    ISSN (online) 1614-7499
    ISSN 0944-1344
    DOI 10.1007/s11356-023-26486-4
    Database MEDical Literature Analysis and Retrieval System OnLINE

    Full text online

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    In stock of ZB MED Bonn / Germany

    Z 5915: Show issues

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  4. Article: Remarkable sunlight-driven photocatalytic performance of Ag-doped ZnO nanoparticles prepared by green synthesis for degradation of emerging pollutants in water

    Jarvin, Mariyadhas / Kumar, Sundararajan Ashok / Rosaline, Daniel Rani / Foletto, Edson Luiz / Dotto, Guilherme Luiz / Inbanathan, Savariroyan Stephen Rajkumar

    Environmental science and pollution research. 2022 Aug., v. 29, no. 38

    2022  

    Abstract: In this work, Ag-doped ZnO nanoparticles (NPs) were synthesized by a simple green method using a toxic agent-free route for photocatalytic purposes, toward methylene blue (MB) removal in water under sunlight irradiation. The effects of operating ... ...

    Abstract In this work, Ag-doped ZnO nanoparticles (NPs) were synthesized by a simple green method using a toxic agent-free route for photocatalytic purposes, toward methylene blue (MB) removal in water under sunlight irradiation. The effects of operating parameters, such as catalyst dosage, dye concentration, and pH, on the MB removal efficiency, were investigated. The presence of Ag on the ZnO structure resulted in superior catalytic activity compared to the pure ZnO sample. High removal efficiency for MB, corresponding to 95%, was obtained in 30 min of reaction time only, using Ag-doped ZnO NPs. This result can be related to its smaller bandgap energy (1.92 eV) when compared to the ZnO sample (2.85 eV). The material presented a satisfactory level of reusability after three consecutive cycles. In addition, a reaction mechanism for MB photodegradation onto Ag-doped ZnO NPs under sunlight irradiation was suggested. Overall, the catalyst prepared via the green route in this work exhibited excellent photocatalytic activity under sunlight for MB degradation in an aqueous solution.
    Keywords aqueous solutions ; catalysts ; energy ; irradiation ; methylene blue ; nanoparticles ; pH ; photocatalysis ; photolysis ; pollution ; reaction mechanisms ; research ; solar radiation ; toxicity
    Language English
    Dates of publication 2022-08
    Size p. 57330-57344.
    Publishing place Springer Berlin Heidelberg
    Document type Article
    ZDB-ID 1178791-0
    ISSN 1614-7499 ; 0944-1344
    ISSN (online) 1614-7499
    ISSN 0944-1344
    DOI 10.1007/s11356-022-19796-6
    Database NAL-Catalogue (AGRICOLA)

    Full text online

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    In stock of ZB MED Bonn / Germany

    Z 5915: Show issues

    Order via subito

    This service is chargeable due to the Delivery terms set by subito. Orders including an article and supplementary material will be classified as separate orders. In these cases, fees will be demanded for each order.

    Inter-library loan at ZB MED

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  5. Article ; Online: Remarkable sunlight-driven photocatalytic performance of Ag-doped ZnO nanoparticles prepared by green synthesis for degradation of emerging pollutants in water.

    Jarvin, Mariyadhas / Kumar, Sundararajan Ashok / Rosaline, Daniel Rani / Foletto, Edson Luiz / Dotto, Guilherme Luiz / Inbanathan, Savariroyan Stephen Rajkumar

    Environmental science and pollution research international

    2022  Volume 29, Issue 38, Page(s) 57330–57344

    Abstract: In this work, Ag-doped ZnO nanoparticles (NPs) were synthesized by a simple green method using a toxic agent-free route for photocatalytic purposes, toward methylene blue (MB) removal in water under sunlight irradiation. The effects of operating ... ...

    Abstract In this work, Ag-doped ZnO nanoparticles (NPs) were synthesized by a simple green method using a toxic agent-free route for photocatalytic purposes, toward methylene blue (MB) removal in water under sunlight irradiation. The effects of operating parameters, such as catalyst dosage, dye concentration, and pH, on the MB removal efficiency, were investigated. The presence of Ag on the ZnO structure resulted in superior catalytic activity compared to the pure ZnO sample. High removal efficiency for MB, corresponding to 95%, was obtained in 30 min of reaction time only, using Ag-doped ZnO NPs. This result can be related to its smaller bandgap energy (1.92 eV) when compared to the ZnO sample (2.85 eV). The material presented a satisfactory level of reusability after three consecutive cycles. In addition, a reaction mechanism for MB photodegradation onto Ag-doped ZnO NPs under sunlight irradiation was suggested. Overall, the catalyst prepared via the green route in this work exhibited excellent photocatalytic activity under sunlight for MB degradation in an aqueous solution.
    MeSH term(s) Catalysis ; Environmental Pollutants ; Metal Nanoparticles ; Methylene Blue/chemistry ; Photochemistry ; Photolysis ; Silver/chemistry ; Sunlight ; Water ; Zinc Oxide/chemistry
    Chemical Substances Environmental Pollutants ; Water (059QF0KO0R) ; Silver (3M4G523W1G) ; Zinc Oxide (SOI2LOH54Z) ; Methylene Blue (T42P99266K)
    Language English
    Publishing date 2022-03-29
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1178791-0
    ISSN 1614-7499 ; 0944-1344
    ISSN (online) 1614-7499
    ISSN 0944-1344
    DOI 10.1007/s11356-022-19796-6
    Database MEDical Literature Analysis and Retrieval System OnLINE

    Full text online

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    In stock of ZB MED Bonn / Germany

    Z 5915: Show issues

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  6. Article: Facile green synthesis of magnesium oxide nanoparticles using tea (Camellia sinensis) extract for efficient photocatalytic degradation of methylene blue dye

    Kumar, S. Ashok / Jarvin, M. / Inbanathan, S.S.R. / Umar, Ahmad / Lalla, N.P. / Dzade, Nelson Y. / Algadi, Hassan / Rahman, Qazi Inamur / Baskoutas, Sotirios

    Environmental technology & innovation. 2022 June 05,

    2022  

    Abstract: Herein, we report, for the first time, the synthesis, characterization, and the photocatalytic methyl blue dye degradation performance of magnesium oxide (MgO) nanoparticles (NPs) synthesized by a facile green approach using Camellia sinensis (tea leaves) ...

    Abstract Herein, we report, for the first time, the synthesis, characterization, and the photocatalytic methyl blue dye degradation performance of magnesium oxide (MgO) nanoparticles (NPs) synthesized by a facile green approach using Camellia sinensis (tea leaves) extract as a reducing agent. The as-prepared materials were characterized by x-ray diffraction (XRD), which confirmed the large-scale synthesis of well crystalline cubic crystalline phase MgO NPs. Rietveld refinement analysis of the XRD pattern was done to determine the crystallographic parameters of the MgO NPs and to investigate lattice defects. Microstrain, lattice stress and energy density were calculated using Williamson-Hall analysis The synthesized nanoparticles exhibited over 97% photocatalytic degradation efficiency of methylene blue (MB) dye. Complementary density functional theory (DFT) calculations revealed the favorable formation of O2− radicals on the MgO (001) surface as the drivers of the MB dye degradation.
    Keywords Camellia sinensis ; X-ray diffraction ; density functional theory ; energy density ; environmental technology ; magnesium oxide ; methylene blue ; photocatalysis ; tea
    Language English
    Dates of publication 2022-0605
    Publishing place Elsevier B.V.
    Document type Article
    Note Pre-press version
    ISSN 2352-1864
    DOI 10.1016/j.eti.2022.102746
    Database NAL-Catalogue (AGRICOLA)

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