Hicham Idriss
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View article: Stabilization of Ce<sup>3+</sup> cations via U–Ce charge transfer in mixed oxides: consequences on the thermochemical water splitting to hydrogen
Stabilization of Ce<sup>3+</sup> cations via U–Ce charge transfer in mixed oxides: consequences on the thermochemical water splitting to hydrogen Open
The work’s objective is to enhance the generation of H 2 via the thermochemical water splitting (TCWS) reaction over nanocrystalline mixed oxide Ce 1− x U x O 2 . While CeO 2 is the most active and stable known reducible oxide for the TCWS…
View article: Temperature programmed desorption study of pre-irradiated TiO2 anatase in the presence of ethanol. Effect of conduction band electrons on reaction selectivity
Temperature programmed desorption study of pre-irradiated TiO2 anatase in the presence of ethanol. Effect of conduction band electrons on reaction selectivity Open
View article: Surface reactions of ethanol on UO2 thin film. Dehydrogenation and dehydration pathways
Surface reactions of ethanol on UO2 thin film. Dehydrogenation and dehydration pathways Open
View article: Surface Structure and Chemistry of CeO<sub>2</sub> Powder Catalysts Determined by Surface-Ligand Infrared Spectroscopy (SLIR)
Surface Structure and Chemistry of CeO<sub>2</sub> Powder Catalysts Determined by Surface-Ligand Infrared Spectroscopy (SLIR) Open
ConspectusCerium is the most abundant rare earth element in the Earth's crust. Its most stable oxide, cerium dioxide (CeO2, ceria), is increasingly utilized in the field of catalysis. It can catalyze redox and acid-base reaction…
View article: Study of rutile TiO<sub>2</sub>(110) single crystal by transient absorption spectroscopy in the presence of Ce<sup>4+</sup> cations in aqueous environment. Implication on water splitting
Study of rutile TiO<sub>2</sub>(110) single crystal by transient absorption spectroscopy in the presence of Ce<sup>4+</sup> cations in aqueous environment. Implication on water splitting Open
Ce 4+ cations are commonly used as electron acceptors during the water oxidation to O 2 reaction over Ir- and Ru-based catalysts. They can also be reduced to Ce 3+ cations by excited electrons from the conduction band of an oxide semicondu…
View article: SABIC's Pathway to Carbon Neutrality and The Role of Hydrogen
SABIC's Pathway to Carbon Neutrality and The Role of Hydrogen Open
Introduction: SABIC's global petrochemical playSaudi Basic Industries Corporation (SABIC) is the third largest petrochemical company in the world, headquartered in Riyadh and operating in 50 countries.SABIC was established in 1976 under a …
View article: 10th Anniversary of Inorganics: Inorganic Materials
10th Anniversary of Inorganics: Inorganic Materials Open
To celebrate the 10th anniversary of the journal Inorganics, the “Inorganic Materials” section launched this Special Issue entitled “10th Anniversary of Inorganics: Inorganic Materials”, which collected 25 interesting papers (i [...]
View article: A Core and Valence-Level Spectroscopy Study of the Enhanced Reduction of CeO2 by Iron Substitution—Implications for the Thermal Water-Splitting Reaction
A Core and Valence-Level Spectroscopy Study of the Enhanced Reduction of CeO2 by Iron Substitution—Implications for the Thermal Water-Splitting Reaction Open
The reduction of Ce cations in CeO2 can be enhanced by their partial substitution with Fe cations. The enhanced reduction of Ce cations results in a considerable increase in the reaction rates for the thermal water-splitting reaction when …
View article: Water Oxidation over Au-Pd/TiO2 as a Substitute for Iridium-Based Catalysts
Water Oxidation over Au-Pd/TiO2 as a Substitute for Iridium-Based Catalysts Open
Water oxidation is one of the most important reactions needed for a transition to a green economy. The reaction relies on extracting electrons from oxygen anions and is commonly studied using homogenous catalysts based on Ru or Ir metals. …
View article: Temperature Programmed Desorption Study of Ethanol on Post Irradiated Tio2 Anatase. Effect of Conduction Band Electrons on Reaction Selectivity
Temperature Programmed Desorption Study of Ethanol on Post Irradiated Tio2 Anatase. Effect of Conduction Band Electrons on Reaction Selectivity Open
View article: Surface Reactions of Ethanol on Uo2 Thin Film. Dehydrogenation and Dehydration Pathways
Surface Reactions of Ethanol on Uo2 Thin Film. Dehydrogenation and Dehydration Pathways Open
View article: A Core and Valence Level Spectroscopy Study of the Enhanced Reduction of CeO<sub>2</sub> by Iron Substitution. Implication on the Thermal Water Splitting Reaction.
A Core and Valence Level Spectroscopy Study of the Enhanced Reduction of CeO<sub>2</sub> by Iron Substitution. Implication on the Thermal Water Splitting Reaction. Open
The reduction of Ce cations in CeO2 can be enhanced by its partial substitution by Fe cations. The enhanced reduction of Ce cations results in a considerable increase in the reaction rates for thermal water splitting reaction when compared…
View article: Monitoring the reduction of UO3 thin film by hydrogen atoms using valence-level spectroscopy: correlating the U5f1 signal to surface hydroxyls
Monitoring the reduction of UO3 thin film by hydrogen atoms using valence-level spectroscopy: correlating the U5f1 signal to surface hydroxyls Open
The reaction of a UO 3 thin film with atomic hydrogen was studied by He(II) ultraviolet photoelectron spectroscopy (UPS) in the temperature range 190–300 K. UO 3 reduction was instantaneously observed once it contacted H atoms at 10 –7 tor…
View article: Plasmonic-Assisted Water–Gas Shift Reaction of Gold Particles on TiO2
Plasmonic-Assisted Water–Gas Shift Reaction of Gold Particles on TiO2 Open
The Localized Surface Plasmon (LSP) effect of 5 nm mean size Au particles deposited on TiO2 P25 was investigated during the photo-thermal water gas shift reaction (WGSR). The effects of CO concentration, excitation light flux and energy, a…
View article: Plasmonic-Assisted Water Gas Shift Reaction of Gold Particles on TiO2
Plasmonic-Assisted Water Gas Shift Reaction of Gold Particles on TiO2 Open
The effect of Localized Surface Plasmon (LSP) of 5 nm mean size Au particles deposited on TiO2 P25 was investigated during the photo-thermal water gas shift reaction (WGSR). The effects of CO concentration, excitation light flux and energy…
View article: Study of the Kinetics of Reduction of IrO2 on TiO2 (Anatase) by Temperature-Programmed Reduction
Study of the Kinetics of Reduction of IrO2 on TiO2 (Anatase) by Temperature-Programmed Reduction Open
The interaction between IrO2 and TiO2 (anatase) in non-isothermal reduction conditions has been studied by the temperature programmed reduction technique. IrO2 clusters are of sizes between 0.5 and 0.9 nm as determined from High Resolution…
View article: Identification of Intermediates in the Reaction Pathway of SO<sub>2</sub> on the CaO Surface: From Physisorption to Sulfite to Sulfate
Identification of Intermediates in the Reaction Pathway of SO<sub>2</sub> on the CaO Surface: From Physisorption to Sulfite to Sulfate Open
The interaction of CaO and Ca(OH) 2 with solvated or gaseous SO 2 plays a crucial role in the corrosion of urban infrastructure by acid rain or in the removal of SO 2 from flue gas. We carried out a combined spectroscopic and theoretical i…
View article: Effect of Gold Loading on Time-Resolved ps Photoluminescence of ZnO
Effect of Gold Loading on Time-Resolved ps Photoluminescence of ZnO Open
Au/ZnO with Au at.% between 0.1 and 3.0, were prepared, analyzed by UV-vis, transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), and other techniques. The bandgap energy of all materials was 3.3 eV, all showed a …
View article: The Merit and the Context of Hydrogen Production from Water and Its Effect on Global CO2 Emission
The Merit and the Context of Hydrogen Production from Water and Its Effect on Global CO2 Emission Open
For a green economy to be possible in the near future, hydrogen production from water is a sought-after alternative to fossil fuels [...]
View article: Direct Visualization of a Gold Nanoparticle Electron Trapping Effect
Direct Visualization of a Gold Nanoparticle Electron Trapping Effect Open
A new atomic-scale anisotropy in the photoreaction of surface carboxylates on rutile TiO2(110) induced by gold clusters is found. STM and DFT+U are used to study this phenomenon by monitoring the photoreaction of a prototype hol…
View article: Thermal and Photon Effects on H2 and O2 Recombination Kinetics Over a Ag-Pd/Tio2 Catalyst
Thermal and Photon Effects on H2 and O2 Recombination Kinetics Over a Ag-Pd/Tio2 Catalyst Open
View article: Extracting Turnover Frequencies of Electron Transfer in Heterogeneous Catalysis: A Study of IrO2-TiO2 Anatase for Water Oxidation Using Ce4+ Cations
Extracting Turnover Frequencies of Electron Transfer in Heterogeneous Catalysis: A Study of IrO2-TiO2 Anatase for Water Oxidation Using Ce4+ Cations Open
Within the context of electron transfer during the catalytic water oxidation reaction, the Ir-based system is among the most active. The reaction, mimicking photosynthesis II, requires the use of an electron acceptor such the Ce4+ cation. …
View article: Carboxylate Adsorption on Rutile TiO<sub>2</sub>(100): Role of Coulomb Repulsion, Relaxation, and Steric Hindrance
Carboxylate Adsorption on Rutile TiO<sub>2</sub>(100): Role of Coulomb Repulsion, Relaxation, and Steric Hindrance Open
Understanding the adsorption and photoactivity of acetic acid and trimethyl acetic acid on TiO2 surfaces is important for improving the performance of photocatalysts and dye-sensitized solar cells. Here we present a structural s…
View article: Ce=O Terminated CeO<sub>2</sub>
Ce=O Terminated CeO<sub>2</sub> Open
Multiply bonded lanthanide oxo groups are rare in coordination compounds and have not previously been reported for a surface termination of a lanthanide oxide. Here we report the observation of a Ce=O terminated ceria surface in a CeO 2 (1…
View article: Ce=O Terminated CeO<sub>2</sub>
Ce=O Terminated CeO<sub>2</sub> Open
Multiply bonded lanthanide oxo groups are rare in coordination compounds and have not previously been reported for a surface termination of a lanthanide oxide. Here we report the observation of a Ce=O terminated ceria surface in a CeO 2 (1…
View article: Front Cover Image, Volume 3, Number 3, March 2021
Front Cover Image, Volume 3, Number 3, March 2021 Open
The cover image is based on the Research Article Fresh insights into detonation nanodiamond aggregation: An X-ray photoelectron spectroscopy, thermogravimetric analysis, and nuclear magnetic resonance study by Ahmad R. Kirmani et al., http…
View article: Fresh insights into detonation nanodiamond aggregation: An X‐ray photoelectron spectroscopy, thermogravimetric analysis, and nuclear magnetic resonance study
Fresh insights into detonation nanodiamond aggregation: An X‐ray photoelectron spectroscopy, thermogravimetric analysis, and nuclear magnetic resonance study Open
Detonation nanodiamonds (DNDs) are known to be produced in aggregated clusters of a few nanometer‐sized primary crystalline particles embedded in an amorphous carbon matrix exhibiting high degree of polydispersity. A commonly accepted mech…
View article: Metal–Support Interactions and C1 Chemistry: Transforming Pt-CeO <sub>2</sub> into a Highly Active and Stable Catalyst for the Conversion of Carbon Dioxide and Methane
Metal–Support Interactions and C1 Chemistry: Transforming Pt-CeO <sub>2</sub> into a Highly Active and Stable Catalyst for the Conversion of Carbon Dioxide and Methane Open
There is an ongoing search for materials which can accomplish the activation of two dangerous greenhouse gases like carbon dioxide and methane. In the area of C1 chemistry, the reaction between CO2 and CH4 to produce …
View article: An Overview of the Photocatalytic Water Splitting over Suspended Particles
An Overview of the Photocatalytic Water Splitting over Suspended Particles Open
The conversion of solar to chemical energy is one of the central processes considered in the emerging renewable energy economy. Hydrogen production from water splitting over particulate semiconductor catalysts has often been proposed as a …
View article: Demonstration of green hydrogen production using solar energy at 28% efficiency and evaluation of its economic viability
Demonstration of green hydrogen production using solar energy at 28% efficiency and evaluation of its economic viability Open
The solar to hydrogen (STH) efficiency of photovoltaic-electrolysis (PV-E) setups are a key parameter to lower the cost of green hydrogen produced.