186 citations · 1.9k across the 51 of their papers we have counts for
15 papers · 1 filter
Hydrogen diffusion in TiCrH Laves phases: A combined ab initio and machine-learning-potential study
Pranav Kumar, Fritz Körmann, Kaveh Edalati +2
The kinetics of hydrogen diffusion in C15 cubic and C14 hexagonal TiCrH (0 < <= 4) Laves-phase hydrogen storage alloys is investigated with density functional theory (D…
Active high-entropy photocatalyst designed by incorporating alkali metals to achieve d0+d10+s0 cationic configurations and wide electronegativity mismatch
Jacqueline Hidalgo-Jimenez, Taner Akbay, Tatsumi Ishihara +1
Photocatalytic hydrogen (H2) production and carbon dioxide (CO2) conversion to methane (CH4) are considered promising solutions for reducing CO2 emissions. However, the development…
High-entropy perovskites as new photocatalysts for cocatalyst-free water splitting
Ho Truong Nam Hai, Makoto Arita, Kaveh Edalati
The photocatalytic water-splitting process is thermodynamically challenging and requires catalysts with suitable band structures, as well as the presence of supporting cocatalysts.…
Understanding high photocatalytic activity of the TiO2 high-pressure columbite phase by experiments and first-principles calculations
Jacqueline Hidalgo-Jimenez, Taner Akbay, Tatsumi Ishihara +1
The clean production of hydrogen as a zero-emission fuel can be done using photocatalysis, with TiO2 being one of the most promising photocatalysts. However, the activity of TiO2 a…
High-entropy oxide photocatalysts for green ammonia synthesis from nitrogen fixation in water
Thanh Tam Nguyen, Jacqueline Hidalgo-Jimenez, Kaveh Edalati
Ammonia, a critical chemical fertilizer and a potential hydrogen carrier, can be sustainably synthesized from atmospheric nitrogen and water under ambient conditions through photoc…
Boosting hydrogen and methane formation on a high-entropy photocatalyst by integrating atomic d0/d10 electronic junctions and microscopic P/N heterojunctions
Ho Truong Nam Hai, Jacqueline Hidalgo-Jiménez, Kaveh Edalati
The formation of green energy carriers such as hydrogen (H2) and methane (CH4) via photocatalytic processes provides a clean method for addressing environmental and energy issues.…
Bulk Nanostructured Zirconia Ceramics with High Hardness and Toughness via Integration of High-Pressure Torsion and Spark Plasma Sintering
Kaveh Edalati, Koji Morita, Shivam Dangwal +1
Developing nanostructured bulk ceramics is a major challenge when conventional high-temperature sintering is employed for consolidation. In the current investigation, yttria-stabil…
Influence of interphase boundary coherency in high-entropy alloys on their hydrogen storage performance
Shivam Dangwal, Kaveh Edalati
High-entropy alloys (HEAs) have potential for storing hydrogen reversibly at room temperature due to their tunable thermodynamics; however, they usually suffer from the issue of di…
Severe Plastic Deformation of Ceramics by High-Pressure Torsion: Review of Principles and Applications
Kaveh Edalati, Jacqueline Hidalgo-Jiménez, Thanh Tam Nguyen +8
Ceramics are typically brittle at ambient conditions due to their covalent or ionic bonding and limited dislocation activities. While plasticity, and occasionally superplasticity,…
Influence of nanostructuring through high-pressure torsion (HPT) on superconductivity of a high-entropy alloy
Kaveh Edalati, Alexy Bertrand, Payam Edalati +3
High-entropy alloys (HEAs) have emerged as favorable choices for different applications, including superconductors. The present work examines the impact of nanostructuring via high…
Boosting biocompatibility and mechanical property evolution in a high-entropy alloy via nanostructure engineering and phase transformations
Thanh Tam Nguyen, Payam Edalati, Shivam Dangwal +5
High-entropy alloys (HEAs), as multi-component materials with high configurational entropy, have garnered significant attention as new biomaterials; still, their low yield stress a…
Superior electrochemical performance of zinc-ion batteries with fine-grained and textured zinc anode produced by high-pressure torsion
Xinxin Hu, Shivam Dangwal, Xucheng Wang +4
Zinc-ion batteries are promising alternatives to lithium-ion batteries, offering advantages in safety, cost, and environmental impact. However, their performance is often limited b…
Photocatalytic Carbon Dioxide Methanation by High-Entropy Oxides: Significance of Work Function
Jacqueline Hidalgo-Jiménez, Taner Akbay, Xavier Sauvage +2
Methane (CH4) formation from photocatalytic carbon dioxide (CO2) conversion in water is currently of interest because methane is a fuel, and it can also be transformed into other u…
Phase and sulfur vacancy engineering in cadmium sulfide for boosting hydrogen production from catalytic plastic waste photoconversion
Thanh Tam Nguyen, Jacqueline Hidalgo-Jiménez, Xavier Sauvage +3
Cadmium sulfide (CdS) is a well-known low-bandgap photocatalyst, but its efficiency is often hindered by rapid photo-generated carrier recombination and a limited number of active…
Mixed atomic-scale electronic configuration as a strategy to avoid cocatalyst utilization in photocatalysis by high-entropy oxides
Jacqueline Hidalgo-Jiménez, Taner Akbay, Xavier Sauvage +2
To enhance the activity of photocatalysts for hydrogen production and CO2 conversion, noble metal cocatalysts as electron traps and/or acceptors such as platinum or gold are usuall…