Exploring the electrochemical potential of MoLa2O4/rGO/Co-MOF nanocomposites in energy storage and monosodium glutamate detection

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dc.authorscopusidHesham M.H. Zakaly / 57196235532
dc.authorwosidHesham M.H. Zakaly / E-8136-2016
dc.contributor.authorMuzaffar, Nimra
dc.contributor.authorBarsoum, Imad
dc.contributor.authorAfzal, Amir Muhammad
dc.contributor.authorIqbal, Muhammad Waqas
dc.contributor.authorAhmad, Zubair
dc.contributor.authorAlqarni, Areej S.
dc.contributor.authorIssa, Shams A.M.
dc.contributor.authorZakaly, Hesham M.H.
dc.date.accessioned2025-04-17T11:19:53Z
dc.date.available2025-04-17T11:19:53Z
dc.date.issued2025
dc.departmentİstinye Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Bilgisayar Mühendisliği Bölümü
dc.description.abstractMonosodium glutamate (MSG), a sodium salt that comes from a non-essential amino acid, is generally employed as a flavor accompaniment in numerous diet recipes. Metal oxides containing oxygen vacancies present a potential opportunity for utilization as charge storage materials in supercapattery applications. This work illustrates the fabrication of the MoLa2O4@Co-MOF@rGO nanocomposite via a combination of hydrothermal and modified Hummer methods. The structure of the fabricated MoLa2O4@Co-MOF@rGO nanocomposite was assessed by utilizing scanning electron microscopy (SEM), whereas the structural analysis was conducted via X-ray diffraction (XRD). The superior electrochemical parameters of the MoLa2O4@Co-MOF@rGO nanocomposite over pure MoLa2O4 and MoLa2O4@Co-MOF were ascribed to the combined effect of MoLa2O4, Co-MOF, and rGO. The specific capacitance (Cs) of 310.1 Fg(-1) was achieved for MoLa2O4 and 626.8 Fg(-1) for MoLa2O4@Co-MOF. Among all samples, the MoLa2O4@Co-MOF@rGO electrode demonstrates an extraordinary Cs of 1716 Fg(-1) at 3 mVs(-1). The energy storage mechanism is explained using the using Randles-Sevcik and Dunn's models. The MoLa2O4@Co-MOF@rGO//activated carbon (AC) asymmetric supercapacitor configuration demonstrates the Cs of 1470 Fg(-1) at 3 mVs(-1) along with a particular energy of 58 Whkg(-1) and a power density (P-d) of 2500 Wkg(-1). A MoLa2O4@Co-MOF@rGO nanocomposite-based amperometric immunosensor was designed to detect monosodium glutamate (MSG). A linear relationship was consistently detected between MSG concentration and the associated current change across the complete detection range of 0.05-200 mu M. The multifunctional MoLa2O4@Co-MOF@rGO ternary nanocomposite electrode material opens up new prospects for designing hybrid devices in energy harvesting and food-related applications.
dc.description.sponsorshipPrincess Nourah Bint Abdulrahman University
dc.identifier.citationMuzaffar, N., Barsoum, I., Afzal, A. M., Iqbal, M. W., Ahmad, Z., Alqarni, A. S., ... & Zakaly, H. M. H. (2025). Exploring the electrochemical potential of MoLa2O4/rGO/Co-MOF nanocomposites in energy storage and monosodium glutamate detection. Fuel, 385, 134131.
dc.identifier.doi10.1016/j.fuel.2024.134131
dc.identifier.endpage13
dc.identifier.issn0016-2361
dc.identifier.issn1873-7153
dc.identifier.scopus2-s2.0-85212586941
dc.identifier.scopusqualityQ1
dc.identifier.startpage1
dc.identifier.urihttp://dx.doi.org/10.1016/j.fuel.2024.134131
dc.identifier.urihttps://hdl.handle.net/20.500.12713/6216
dc.identifier.volume385
dc.identifier.wosWOS:001393761100001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorZakaly, Hesham M.H.
dc.institutionauthoridHesham M.H. Zakaly / 0000-0002-7645-9964
dc.language.isoen
dc.publisherElsevier ltd
dc.relation.ispartofFuel
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectAmperometric Immunosensor
dc.subjectAsymmetric Supercapacitor
dc.subjectDunn's Model
dc.subjectFood-Related Applications
dc.subjectModified Hummer Method
dc.subjectMonosodium Glutamate
dc.subjectRandles–Ševčík Model
dc.titleExploring the electrochemical potential of MoLa2O4/rGO/Co-MOF nanocomposites in energy storage and monosodium glutamate detection
dc.typeArticle

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