Optimizing diamond's electronic band structure via defect engineering for enhanced HER and OER catalysis

MM Abodouh, GE Khedr, NK Allam - International Journal of Hydrogen …, 2024 - Elsevier
Diamond is a fascinating material with exceptional optical and electronic properties, making
it a highly desirable material for various applications. Herein, the effect of various types of …

Compositionally variant bimetallic Cu–Mn oxysulfide electrodes with meritorious supercapacitive performance and high energy density

HM El Sharkawy, AM Elbanna, GE Khedr… - Energy Advances, 2023 - pubs.rsc.org
Rational design and fabrication of low-cost, earth-abundant electrode materials for energy
conversion and storage devices is immensely needed. Herein, we demonstrate the …

[HTML][HTML] Two-dimensional n-type pyrite with tuned hydrogen interstitials as a highly selective CO2 reduction catalyst

GE Khedr, SM Fawzy, NK Allam - Journal of CO2 Utilization, 2023 - Elsevier
Density functional theory (DFT) calculations were employed to elucidate the impact of
hydrogen interstitial (H i) defects on the optical and efficacy of iron pyrite (FeS 2) as a …

Cation distribution: a descriptor for hydrogen evolution electrocatalysis on transition-metal spinels

AK Gomaa, MG Zonkol, GE Khedr, NK Allam - EES Catalysis, 2024 - pubs.rsc.org
Exploring cost-effective and efficient electrocatalysts for the hydrogen evolution reaction
(HER) is essential for realizing green energy technologies such as water electrolyzers and …

Controllable CO2 electroreduction to pure syngas and ethanol on CuZn-LDH surface with tunable intermediates affinity

Z Xu, J Sun, Q Wang - International Journal of Hydrogen Energy, 2024 - Elsevier
Electrochemical CO 2 reduction (ECR) towards pure syngas (CO/H 2= 0.33–3.3) and
ethanol as single gas-liquid products is highly desirable and challenging, which could …