Nickel–cobalt oxides decorated Chitosan electrocatalyst for ethylene glycol oxidation

SS Medany, MA Hefnawy - Surfaces and Interfaces, 2023 - Elsevier
A composite of NiCo 2 O 4 modified electrocatalyst is prepared to enhance the ethylene
glycol electrooxidation. Chitosan matrix is used to improve the activity and adsorption ability …

Synthesis and characterization of lead-based metal–organic framework nano-needles for effective water splitting application

AS Eliwa, MA Hefnawy, SS Medany, RG Deghadi… - Scientific Reports, 2023 - nature.com
Metal organic frameworks (MOFs) are a class of porous materials characterized by robust
linkages between organic ligands and metal ions. Metal–organic frameworks (MOFs) exhibit …

Polyaniline-supported nickel oxide flower for efficient nitrite electrochemical detection in water

NS Al-Kadhi, MA Hefnawy, FS Alamro, RA Pashameah… - Polymers, 2023 - mdpi.com
A modified electrode with conducting polymer (Polyaniline) and NiO nanoflowers was
prepared to detect nitrite ions in drinking water. A simple method was used to prepare the …

Ultrasonic-assisted synthesis of nickel metal-organic framework for efficient urea removal and water splitting applications

AS Eliwa, MA Hefnawy, SS Medany, RG Deghadi… - Synthetic Metals, 2023 - Elsevier
The change in the climate is considered a critical environmental issue that humanity will
deal with through the next decade. Herein, the ultrasonic-assisted method prepared the …

High-performance spinel NiMn2O4 supported carbon felt for effective electrochemical conversion of ethylene glycol and hydrogen evolution applications

SS Medany, MA Hefnawy, SM Kamal - Scientific Reports, 2024 - nature.com
One of the most effective electrocatalysts for electrochemical oxidation reactions is NiMn2O4
spinel oxide. Here, a 3-D porous substrate with good conductivity called carbon felt (CF) is …

Theoretical investigation on CO oxidation by single nickel atom within two-dimensional porphyrin sheet

K **e, S Xu, K Xu, JB Lin - Journal of Molecular structure, 2023 - Elsevier
Catalysts for CO oxidation are usually precious metals, whose high cost restricts their
widespread use. In order to reduce costs and improve catalytic activity, a two-dimensional …

Zinc nanocomposite supported chitosan for nitrite sensing and hydrogen evolution applications

NS Al-Kadhi, MA Hefnawy, S S. Nafee, FS Alamro… - Polymers, 2023 - mdpi.com
Nanoparticles of ZnO-Chitosan (Zn-Chit) composite were prepared using precipitation
methods. Several analytical techniques, such as scanning electron microscope (SEM) …

Stable single iron atom within two-dimensional porphyrin sheet catalysis for CO oxidation: a computational investigation

K **e, S Xu, K Xu, J Wang, L Ma, JB Lin - Fuel, 2023 - Elsevier
CO produced by incomplete combustion of fuel poses a great threat to the environment and
human health. Single atom catalysis can increase the active site of the catalyst, but it is …

[HTML][HTML] Green Synthesis of NiFe2O4 Nano-Spinel Oxide-Decorated Carbon Nanotubes for Efficient Capacitive Performance—Effect of Electrolyte Concentration

AH Bashal, MA Hefnawy, HA Ahmed, MA El-Atawy… - Nanomaterials, 2023 - mdpi.com
Energy storage applications received great attention due to environmental aspects. A green
method was used to prepare a composite of nickel–iron-based spinel oxide nanoparticle …

Controllable Synthesis of Fe2O3/Nickel Cobaltite Electrocatalyst to Enhance Oxidation of Small Molecules

FS Alamro, SS Medany, NS Al-Kadhi, AM Mostafa… - Catalysts, 2024 - mdpi.com
Nickel-based catalysts have been widely recognized as highly promising electrocatalysts for
oxidation. Herein, we designed a catalyst surface based on iron oxide electrodeposited on …