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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Williams, Jim
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2024Electrochemical characterization and structural analysis of (In2O3)/(Fe2O3) nanocomposites for high-performance supercapacitorscitations
- 2021Synthesis of In2O3/GNPs nanocomposites with integrated approaches to tune overall performance of electrochemical devicescitations
- 2020Porosity evaluation and positron annihilation study of mesoporous aluminum oxy-hydroxide ceramicscitations
- 2020Heterojunction formation in In2O3–NiO nanocompositescitations
- 2019One-step bacterial assisted synthesis of CdS/rGO nanocomposite as Hydrogen production catalystcitations
- 2019Aluminum oxyhydroxide-doped PMMA hybrids powder prepared via facile one-pot method towards copper ion removal from aqueous solutioncitations
- 2017Ultra high stable supercapacitance performance of conducting polymer coated MnO2 nanorods/rGO nanocompositescitations
- 2016Bio-green synthesis of Ag-GO, Au-GO and Ag-Au-GO nanocomposites using Azadirachta indicacitations
- 2016Elastic versus inelastic spin-polarized electron scattering from a ferromagnetic surfacecitations
- 2013Influence of polar groups in binary polymer blends on positronium formationcitations
- 2007Magnetic anisotropy and electronic structure of iron films on W(1 1 0) by spin-polarized two-electron spectroscopy
- 2007Spin-dependent reflection of very-low-energy electrons from W(110)citations
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article
Heterojunction formation in In2O3–NiO nanocomposites
Abstract
<p>This study focuses on (In<sub>2</sub>O<sub>3</sub>)<sub>x</sub>(NiO)<sub>100-x</sub> nanocomposites intended to be used in supercapacitors as electrode materials. Nanocomposites with different ratios of NiO and In<sub>2</sub>O<sub>3</sub> have been synthesized and characterized using XRD, FTIR, TEM and UV–visible spectroscopy. The bandgap energy (E<sub>g</sub>) data reveals that the minimum value of E<sub>g</sub> in (In<sub>2</sub>O<sub>3</sub>)<sub>x</sub>(NiO)<sub>100-x</sub> nanocomposites is associated with the formation of p-n heterojunction, for (In<sub>2</sub>O<sub>3</sub>)<sub>50</sub>(NiO)<sub>50</sub> nanocomposite, based on its highest electrical resistance, obtained through I–V measurement. The electrochemical measurements depict the pseudocapacitive behaviour of (In<sub>2</sub>O<sub>3</sub>)<sub>x</sub>(NiO)<sub>100-x</sub> nanocomposites. The CV analysis shows the highest specific capacitance for (In<sub>2</sub>O<sub>3</sub>)<sub>30</sub>(NiO)<sub>70</sub> nanocomposite, i.e., 340, 472, 782, 1002, 1381 and 2628 Fg<sup>-1</sup> at different scan rates 100, 50, 20, 10, 5 and 1 mVs<sup>−1</sup> respectively. Specific discharge capacitance of the same sample is measured as 831, 707, 658 and 449 Fg<sup>-1</sup> at 1, 2, 3 and 4 Ag<sup>-1</sup> current densities respectively. The strong interaction between closely packed In<sub>2</sub>O<sub>3</sub> and NiO interfaces show the superior specific capacitance in (In<sub>2</sub>O<sub>3</sub>)<sub>30</sub>(NiO)<sub>70</sub> nanocomposites compared to neat NiO and In<sub>2</sub>O<sub>3</sub> nanostructure, thus making (In<sub>2</sub>O<sub>3</sub>)<sub>x</sub>(NiO)<sub>100-x</sub> (x = 30) nanocomposite a suitable candidate for electrode material in electrochemical application.</p>