| People | Locations | Statistics |
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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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Pitchaimuthu, Sudhagar
Heriot-Watt University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (38/38 displayed)
- 2024Protonated C3N4 Nanosheets for Enhanced Energy Storage in Symmetric Supercapacitors through Hydrochloric Acid Treatmentcitations
- 2024From brew to clean fuelcitations
- 2024Dual Shieldcitations
- 2024Binary and Ternary Metal Oxide Semiconductor Thin Films for Effective Gas Sensing Applications: A Comprehensive Review and Future Prospectscitations
- 2024Ti3C2Tx MXene decorated with NiMnO3 / NiMn2O4 nanoparticles for simultaneous photocatalytic degradation of mixed cationic and anionic dyescitations
- 2024MXene-Embedded Porous Carbon-Based Cu2O Nanocomposites for Non-Enzymatic Glucose Sensorscitations
- 2024MXene-Embedded Porous Carbon-Based Cu 2 O Nanocomposites for Non-Enzymatic Glucose Sensorscitations
- 2023Tailoring hierarchical BiVO4 sub-micron particles for enhanced cyclability in asymmetric supercapacitorcitations
- 2022MXene coupled graphitic carbon nitride nanosheets based plasmonic photocatalysts for removal of pharmaceutical pollutantcitations
- 2021Thermal decomposition derived nano molybdenum nitride for robust counter electrode in dye-sensitized solar cellscitations
- 2021Influence of Various Concentrations of Cetyltrimethylammonium Bromide on the Properties of Nickel Oxide Nanoparticles for Supercapacitor Applicationcitations
- 2021Removal and Degradation of Mixed Dye Pollutants by Integrated Adsorption-Photocatalysis Technique Using 2-D MoS<sub>2</sub>/TiO<sub>2</sub> Nanocompositecitations
- 2021Nano-MOF-5 (Zn) Derived Porous Carbon as Support Electrocatalyst for Hydrogen Evolution Reactioncitations
- 2020Retorting Photocorrosion and Enhanced Charge Carrier Separation at CdSe Nanocapsules by Chemically Synthesized TiO2 Shell for Photocatalytic Hydrogen Fuel Generationcitations
- 2020Long single crystalline α-Mn2O3nanorodscitations
- 2019Jet nebulizer-spray coated CZTS film as Pt-free electrocatalyst in photoelectrocatalytic fuel cellscitations
- 2018Low-cost and eco-friendly nebulizer spray coated CuInAlS2 counter electrode for dye-sensitized solar cellscitations
- 2018Solvent volume-driven CuInAlS2 nanoflake counter electrode for effective electrocatalytic tri-iodide reduction in dye-sensitized solar cellscitations
- 2018Analysis of optical dispersion parameters and electrochromic properties of manganese-doped Co3O4 dendrite structured thin filmscitations
- 2018Solution Plasma Process-Derived Defect-Induced Heterophase Anatase/Brookite TiO2 Nanocrystals for Enhanced Gaseous Photocatalytic Performancecitations
- 2017CuInS2 layer deposition through nebulizer spray technique for solar cell fabricationcitations
- 2017Facile preparation of hierarchical nanostructured CuInS2 counter electrodes for dye-sensitized solar cellscitations
- 2015A mechanically bendable superhydrophobic steel surface with self-cleaning and corrosion-resistant propertiescitations
- 2015In-situ synthesis of hydrophobic SiO2-PMMA composite for surface protective coatingscitations
- 2015Facile synthesis of nanostructured monoclinic bismuth vanadate by a co-precipitation methodcitations
- 2014Evaluation of chemically modified Ti-5Mo-3Fe alloy surfacecitations
- 2014An electrochemical, in vitro bioactivity, and quantum chemical approach to nanostructured copolymer coatings for orthopedic applicationscitations
- 2014Hierarchical polymer nanocomposite coating material for 316L SS implantscitations
- 2014Structural and tribological characteristics of poly(vinylidene fluoride)/functionalized graphene oxide nanocomposite thin filmscitations
- 2014Electrochemical and in vitro bioactivity of polypyrrole/ceramic nanocomposite coatings on 316L SS bio-implantscitations
- 2012Interfacial engineering of quantum dot-sensitized TiO2 fibrous electrodes for futuristic photoanodes in photovoltaic applicationscitations
- 2012Nanocomposite coatings on biomedical grade stainless steel for improved corrosion resistance and biocompatibilitycitations
- 2011Dielectric and relaxation properties of thermally evaporated nanostructured bismuth sulfide thin filmscitations
- 2009High-energy heavy-ion induced physical and surface-chemical modifications in polycrystalline cadmium sulfide thin filmscitations
- 2008Influence of porous morphology on optical dispersion properties of template free mesoporous titanium dioxide (TiO2) filmscitations
- 2007Effect of 80 MeV oxygen ion beam irradiation on the properties of CdTe thin filmscitations
- 2007Swift heavy ion beam irradiation induced modifications in structural, morphological and optical properties of CdS thin filmscitations
- 2006Structural and photoluminescence properties of swift heavy ion irradiated CdS thin filmscitations
Places of action
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article
Protonated C3N4 Nanosheets for Enhanced Energy Storage in Symmetric Supercapacitors through Hydrochloric Acid Treatment
Abstract
<p>Next-generation electrochemical energy storage materials are essential in delivering high power for long periods of time. Double-layer carbonaceous materials provide high power density with low energy density due to surface-controlled adsorption. This limitation can be overcome by developing a low-cost, more abundant material that delivers high energy and power density. Herein, we develop layered C<sub>3</sub>N<sub>4</sub> as a sustainable charge storage material for supercapacitor applications. It was thermally polymerized using urea and then protonated with various acids to enhance its charge storage contribution by activating more reaction sites through the exfoliation of the C-N framework. The increased electron-rich nitrogen moieties in the C-N framework material lead to better electrolytic ion impregnation into the electrode, resulting in a 7-fold increase in charge storage compared to the pristine material and other acids. It was found that C<sub>3</sub>N<sub>4</sub> treated with hydrochloric acid showed a very high capacitance of 761 F g<sup>-1</sup> at a current density of 20 A g<sup>-1</sup> and maintained 100% cyclic retention over 10,000 cycles in a three-electrode configuration, outperforming both the pristine material and other acids. A symmetric device was fabricated using a KOH/LiI gel-based electrolyte, exhibiting a maximum specific capacitance of 175 F g<sup>-1</sup> at a current density of 1 A g<sup>-1</sup>. Additionally, the device showed remarkable power and energy density, reaching 600 W kg<sup>-1</sup> and 35 Wh kg<sup>-1</sup>, with an exceptional cyclic stability of 60% even after 5000 cycles. This study provides an archetype to understand the underlying mechanism of acid protonation and paves the way to a metal-carbon-free environment.</p>