Modified sol gel synthesis of MoO 3 NPs using organic template: synthesis, characterization and electrochemical investig
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ORIGINAL PAPER: NANO-STRUCTURED MATERIALS (PARTICLES, FIBERS, COLLOIDS, COMPOSITES, ETC.)
Modified sol gel synthesis of MoO3 NPs using organic template: synthesis, characterization and electrochemical investigations Irum Shaheen1 Khuram Shahzad Ahmad1 ●
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Received: 10 April 2020 / Accepted: 19 August 2020 © Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Over the past numerous decades, unrelenting attention has been dedicated for sustainable design and synthesis of electrochemical metal oxide with controlled morphology and nano scale structural complexity to enhance their electrochemical properties. Here in, we reported the sol–gel synthesis of molybdenum trioxide NPs using bioactive compounds of Euphorbia cgnata Boiss as fuel. The current study demonstrated the stabilization of molybdenum trioxide nanoparticles by Benzeneethanamine and Benzenemethanol. The chemical and structural intrinsic features with low band gap energy of 2.02 eV rendered the MoO3 NPs suitable for electrochemical applications. On this account, we fabricated MoO3 nickel foam electrode to investigate its supercapacitor properties. MoO3 electrode revealed the moderate capacitance of 63.5 F/g at 2 mV/s with energy density of 1.8 Wh/kg and high power density of 4551.3 W/kg. Therefore, the overall results are proposing the potential of fabricated electrode toward energy storage device like supercapacitor. Graphical Abstract
Keywords Metal oxide Organic framework Nanoparticles Energy storage Galvanostatic charge–discharge Cyclic voltammetry ●
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Supplementary information The online version of this article (https:// doi.org/10.1007/s10971-020-05398-6) contains supplementary material, which is available to authorized users. * Khuram Shahzad Ahmad [email protected] 1
Department of Environmental Sciences, Fatima Jinnah Women University, Rawalpindi, Pakistan
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Journal of Sol-Gel Science and Technology
Highlights ● Bio template assisted MoO3 NPs. ● The identification of incorporated phyto-organic compounds in the MoO3 NPs. ● Tailoring of surface chemistry by bio-organic functional groups. ● Effects of surface modification on electrochemical properties.
1 Introduction The efficient and multifunctional energy storage devices have gained huge research interest to save alternative and renewable energies [1–3]. Among numerous energy-storing devices supercapacitors have significantly considered as promising candidates for energy storage. Supercapacitors are thought to fill the gap between the batteries and traditional capacitors [4–7] with their remarkable properties like high power density, low maintenance cost, long cycling stability, and excellent response [1, 5, 8]. The excellent supercapacitor properties are largely depending on its electrode and the electrode materials. There into, the electrode materials such as metal oxides, conducting polymers, and carbon materials have been critically investigated for the supercapacitors. Further, the investigations are particularly focused on
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