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View article: Confined Growth by Self‐Combustion of a Cu‐Based Nanophase into Mesostructured Acid Supports for DME Production from CO <sub>2</sub>
Confined Growth by Self‐Combustion of a Cu‐Based Nanophase into Mesostructured Acid Supports for DME Production from CO <sub>2</sub> Open
This work deals with the design of nanocomposite hydrogenation‐dehydration bifunctional catalysts for the one‐pot conversion of CO 2 to dimethyl ether (DME), focusing on obtaining a high and homogeneous dispersion of a Cu‐based CO 2 hydrog…
View article: Ordered versus Non-Ordered Mesoporous CeO2-Based Systems for the Direct Synthesis of Dimethyl Carbonate from CO2
Ordered versus Non-Ordered Mesoporous CeO2-Based Systems for the Direct Synthesis of Dimethyl Carbonate from CO2 Open
In this work, non-ordered and ordered CeO2-based catalysts are proposed for CO2 conversion to dimethyl carbonate (DMC). Particularly, non-ordered mesoporous CeO2, consisting of small nanoparticles of about 8 nm, is compared with two highly…
View article: Ordered <em>versus</em> Non-Ordered Mesoporous CeO<sub>2</sub>-Based Systems for the Direct Synthesis of Dimethyl Carbonate from CO<sub>2</sub>
Ordered <em>versus</em> Non-Ordered Mesoporous CeO<sub>2</sub>-Based Systems for the Direct Synthesis of Dimethyl Carbonate from CO<sub>2</sub> Open
In this work, non-ordered and ordered CeO2-based catalysts are proposed for the CO2 conversion to dimethyl carbonate (DMC). Particularly, a non-ordered mesoporous CeO2, consisting of small nanoparticles of about 8 nm, is compared with two …
View article: Hard–Soft Core–Shell Architecture Formation from Cubic Cobalt Ferrite Nanoparticles
Hard–Soft Core–Shell Architecture Formation from Cubic Cobalt Ferrite Nanoparticles Open
Cubic bi-magnetic hard–soft core–shell nanoarchitectures were prepared starting from cobalt ferrite nanoparticles, prevalently with cubic shape, as seeds to grow a manganese ferrite shell. The combined use of direct (nanoscale chemical map…
View article: Mesostructured γ-Al2O3-Based Bifunctional Catalysts for Direct Synthesis of Dimethyl Ether from CO2
Mesostructured γ-Al2O3-Based Bifunctional Catalysts for Direct Synthesis of Dimethyl Ether from CO2 Open
In this work, we propose two bifunctional nanocomposite catalysts based on acidic mesostructured γ-Al2O3 and a Cu/ZnO/ZrO2 redox phase. γ-Al2O3 was synthesized by an Evaporation-Induced Self-Assembly (EISA) method using two different templ…
View article: As(III, V) Uptake from Nanostructured Iron Oxides and Oxyhydroxides: The Complex Interplay between Sorbent Surface Chemistry and Arsenic Equilibria
As(III, V) Uptake from Nanostructured Iron Oxides and Oxyhydroxides: The Complex Interplay between Sorbent Surface Chemistry and Arsenic Equilibria Open
Iron oxides/oxyhydroxides, namely maghemite, iron oxide-silica composite, akaganeite, and ferrihydrite, are studied for AsV and AsIII removal from water in the pH range 2–8. All sorbents were characterized for their structural, morphologic…
View article: From CO<sub>2</sub> to dimethyl ether: mesostructured acidic oxides for methanol dehydration to design bifunctional catalysts
From CO<sub>2</sub> to dimethyl ether: mesostructured acidic oxides for methanol dehydration to design bifunctional catalysts Open
CO2 is widely recognised as the main cause of greenhouse effect, causing global warming and climate change.With the aim to reduce CO2 emissions, during the last decades, several strategies have been developed for the capture, utilization a…
View article: Nanostructured spinel cobalt ferrites: Fe and Co chemical state, cation distribution and size effects by X-ray photoelectron spectroscopy
Nanostructured spinel cobalt ferrites: Fe and Co chemical state, cation distribution and size effects by X-ray photoelectron spectroscopy Open
XPS is exploited to study the composition, the chemical state and the cation distribution of metals in CoFe 2 O 4 .