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Article
Enhanced Energy Density of PANI/Co3O4/Graphene Ternary Nanocomposite in a Neutral Aqueous Electrolyte of Na2SO4 for Supercapacitor Applications
We report a cost-effective, chemical polymerization route to synthesize PANI/Co3O4/graphene (PCG) ternary nanocomposite for supercapacitor applications to achieve enhanced energy density in a cost-effective, non-...
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Article
Influence of electrochemical reduction on the optical properties of TiO2 nanotubes under ambient conditions
Titania nanotubes (TNTs) are attractive for a variety of applications. In this study, amorphous TNTs have been synthesized by anodization. Annealing of anodized TNTs has been performed to get the anatase phase...
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Article
Preparation of composite-layered structure of TiO2 nanoparticles/TiO2 nanotubes and its role in dye sensitized solar cell
Composite layered structure of TiO2 nanoparticles (TiNPs) and TiO2 nanotubes (TiNTs) was prepared by two-step anodizing of titanium at 50 V to form well-aligned TiNTs with uniform diameter, followed by spin coati...
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Article
Tungsten Oxide–reduced Graphene Oxide Composites for Photoelectrochemical Water Splitting
Photoelectrochemical (PEC) water splitting is the latest technology to produce hydrogen and electricity by using sunlight. The low bandgap of tungsten oxide (WO3) enables it as a suitable candidate for PEC water ...
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Article
Electrodeposition-assisted formation of anodized TiO2–CuO heterojunctions for solar water splitting
The anatase phase titanium dioxide nanotubes (ATNTs) are investigated for photocatalytic water splitting with and without the formation of copper oxide (CuO) heterojunctions. ATNTs have been grown on titanium ...
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Article
Heteroatoms (N, F, O)-Doped CNTs on NiCo-Silica Nanocomposites for Oxygen Evolution Reaction
The more electronegative atoms of element like nitrogen, fluorine and oxygen in CNTs are highly desirable for electrochemical catalytic reactions like oxygen evolution reaction (OER). Herein, we report the syn...
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Article
Electro-codeposition of V2O5-polyaniline composite on Ni foam as an electrode for supercapacitor
To fulfill the increasing energy demand, it is necessary to develop such an electrode material for pseudocapacitors having a high energy density, better cycle life, and potential for commercialization. Herein,...
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Article
Electrodeposited thick coatings of V2O5 on Ni foam as binder free electrodes for supercapacitors
Thick coatings, up to few microns, of the active material are necessary for the preparation and commercialization of electrode materials for energy storage applications, as thin layers of active material drain...
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Article
Role of temperature and NiO addition in improving photocatalytic properties of TiO2 nanotubes
Self-organized TiO2 nanotubes (TiNTs) have been synthesized by electrochemical anodization in an electrolyte containing ethylene glycol, ammonium fluoride, and de-ionized water at 40 V for 3 h. TiNTs were then an...
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Article
Fabrication and enhancement in photoconductive response of \(\alpha\) -Fe2O3/graphene nanocomposites as anode material
We report a facile fabrication for the synthesis of graphene based α-Fe2O3 nanocomposites as anode material for photoelectrochemical water splitting. The effect of introduction of graphene as a solid-state electr...
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Article
Enhanced photocatalytic performance of CeO2–TiO2 nanocomposite for degradation of crystal violet dye and industrial waste effluent
This study presents the synthesis of CeO2–TiO2 nanocomposite and its potential application for the visible light-driven photocatalytic degradation of model crystal violet dye as well as real industrial waste wate...
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Chapter
Iron Pyrite (FeS2): Sustainable Photovoltaic Material
Fool’s gold or Iron pyrite (FeS2) is a semiconductor comprised of earth-abundant elements that has the potential to be a low cost photovoltaic material with comparatively low toxicity. Despite its promise, photov...
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Article
Structural, electrical, and magnetic properties of polypyrrole–Zn0.5Ni0.45Mn0.05Fe2O4 nanocomposites prepared by in situ chemical polymerization
Polypyrrole–Zn0.5Ni0.45Mn0.05Fe2O4 nanocomposites are conducting polymer-ferrites with useful properties and new functions. The ferrite and polypyrrole–ferrite nanocomposites were synthesized by wow sol gel and i...
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Article
Mild hydrothermal synthesis of γ-MnO2 nanostructures and their phase transformation to α-MnO2 nanowires
Urchin-like γ-MnO2 nanostructures, composed of nanowires with diameters in the range 40–70 nm were prepared through the direct reaction between MnSO4 and KClO3 via a mild hydrothermal route. Reaction time and tem...
