Mario Commodo
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View article: The effect of ozone on soot formation in partially premixed laminar methane/air flames
The effect of ozone on soot formation in partially premixed laminar methane/air flames Open
The effect of ozone addition on soot formation in partially premixed laminar methane flames at two equivalence ratios, Φ = 11.9 and Φ = 7.6 (with 500 ppm and 570 ppm of ozone, respectively), has been investigated. Soot particles collected …
View article: Design and modeling of a co-flow reactor for turquoise hydrogen production
Design and modeling of a co-flow reactor for turquoise hydrogen production Open
This work focuses on the design of a reactor for producing clean hydrogen from methane pyrolysis in the form of the so-called “turquoise hydrogen”. In addition to its simple geometry, the fundamental concept and the main novelty of the pro…
View article: A laboratory study of secondary organic aerosol formation in an oxidation flow reactor
A laboratory study of secondary organic aerosol formation in an oxidation flow reactor Open
Secondary organic aerosol is formed through the atmospheric oxidation of gas-phase organic compounds and primary aerosols. Despite the potential risks that this class of particles poses to human health and climate, how primary emissions co…
View article: Flame synthesis of soot/TiO2 nanoparticle composite films with improved electrical properties characterized by Scanning Probe Microscopy
Flame synthesis of soot/TiO2 nanoparticle composite films with improved electrical properties characterized by Scanning Probe Microscopy Open
This paper presents a multiple-mode Scanning Probe Microscopy (SPM) analysis applied for the first time to characterize the electrical and electronic behaviors in flame-synthesized composite films of soot carbon nanoparticles (CNPs) and Ti…
View article: Tailoring the temperature coefficient of resistance of flame-formed carbon nanoparticle thin films by electric field-assisted deposition
Tailoring the temperature coefficient of resistance of flame-formed carbon nanoparticle thin films by electric field-assisted deposition Open
The electric-field assisted deposition is successfully proposed as a method for the manufacturing of carbon nanostructured films with tunable properties, benefiting from the superimposition of electric fields on the thermophoretic depositi…
View article: Portraits of Soot Molecules Reveal Pathways to Large Aromatics, Five-/Seven-Membered Rings, and Inception through π-Radical Localization
Portraits of Soot Molecules Reveal Pathways to Large Aromatics, Five-/Seven-Membered Rings, and Inception through π-Radical Localization Open
Incipient soot early in the flame was studied by high-resolution atomic force microscopy and scanning tunneling microscopy to resolve the atomic structure and orbital densities of single soot molecules prepared on bilayer NaCl on Cu(111). …
View article: Modelling the electrophoretically-enhanced in-flame deposition of carbon nanoparticles
Modelling the electrophoretically-enhanced in-flame deposition of carbon nanoparticles Open
Flame synthesis of Carbon NanoParticle (CNP) films is gaining strong interest for novel industrial applications because of the easy tuning of the operating conditions that enables accurate control of the chemical and physical properties of…
View article: Editorial: Experimental and modelling approaches for clean combustion technologies
Editorial: Experimental and modelling approaches for clean combustion technologies Open
Despite the rapid growth in alternative energy source utilization, combustion technologies will still play a major role in the years to come. Indeed, the energy mix of the next decades will see a coexistence of wind and solar sources and o…
View article: Temperature Sensing with Thin Films of Flame-Formed Carbon Nanoparticles
Temperature Sensing with Thin Films of Flame-Formed Carbon Nanoparticles Open
A porous nanostructured film of flame-formed carbon nanoparticles has been produced with a one-step procedure. The morphological and structural characteristics of the film have been characterized by atomic force microscopy and Raman spectr…
View article: Steam reforming of tar in hot syngas cleaning by different catalysts: Removal efficiency and coke layer characterization
Steam reforming of tar in hot syngas cleaning by different catalysts: Removal efficiency and coke layer characterization Open
Syngas produced by biomass and waste gasification processes must be adequately clean of tar compounds before being utilized in value‐added applications. Syngas cleaning by tar cracking at high temperatures is a promising technique that can…
View article: Raman Spectroscopy of Nascent Soot Oxidation: Structural Analysis During Heating
Raman Spectroscopy of Nascent Soot Oxidation: Structural Analysis During Heating Open
The effect of oxidation on nascent soot particles is investigated in this work by means of Raman spectroscopy. Three different soot particle samples are produced in a lightly sooting ethylene/air laminar premixed flame and collected at dif…
View article: Morphology and electronic properties of incipient soot by scanning tunneling microscopy and spectroscopy
Morphology and electronic properties of incipient soot by scanning tunneling microscopy and spectroscopy Open
Soot nucleation is one of the most complex and debated steps of the soot\nformation process in combustion. In this work, we used scanning tunneling\nmicroscopy (STM) and spectroscopy (STS) to probe morphological and electronic\nproperties …
View article: Morphology and Electronic Properties of Incipient Soot by Scanning Tunneling Microscopy and Spectroscopy
Morphology and Electronic Properties of Incipient Soot by Scanning Tunneling Microscopy and Spectroscopy Open
Soot nucleation is one of the most complex and debated steps of the soot formation process in combustion. In this work, we used scanning tunneling microscopy (STM) and spectroscopy (STS) to probe morphological and electronic properties of …
View article: Thermo-optical-transmission OC/EC and Raman spectroscopy analyses of flame-generated carbonaceous nanoparticles
Thermo-optical-transmission OC/EC and Raman spectroscopy analyses of flame-generated carbonaceous nanoparticles Open
Elemental and organic carbon content of flame-generated soot nanoparticles produced under different operating conditions of equivalence ratio and particle residence time is determined by thermo-optical-transmission measurements, while part…
View article: Molecular dynamics animations of interactions between diradical PAHs. Supplemental to Paper: π-Diradical aromatic soot precursors in flames
Molecular dynamics animations of interactions between diradical PAHs. Supplemental to Paper: π-Diradical aromatic soot precursors in flames Open
This dataset contains five movie files, provided as supplementary information for the submitted publication "π-Diradical aromatic soot precursors in flames". Each movie file shows the interactions between two diradical PAHs as predicted by…
View article: Exploring Nanomechanical Properties of Soot Particle Layers by Atomic Force Microscopy Nanoindentation
Exploring Nanomechanical Properties of Soot Particle Layers by Atomic Force Microscopy Nanoindentation Open
In this work, an experimental investigation of the nanomechanical properties of flame-formed carbonaceous particle layers has been performed for the first time by means of Atomic Force Microscopy (AFM). To this aim, carbon nanoparticles wi…
View article: Resistive Switching Phenomenon Observed in Self-Assembled Films of Flame-Formed Carbon-TiO2 Nanoparticles
Resistive Switching Phenomenon Observed in Self-Assembled Films of Flame-Formed Carbon-TiO2 Nanoparticles Open
Nanostructured films of carbon and TiO2 nanoparticles have been produced by means of a simple two-step procedure based on flame synthesis and thermophoretic deposition. At first, a granular carbon film is produced on silicon substrates by …
View article: π-Diradical Aromatic Soot Precursors in Flames
π-Diradical Aromatic Soot Precursors in Flames Open
Soot emitted from incomplete combustion of hydrocarbon fuels contributes to global warming and causes human disease. The mechanism by which soot nanoparticles form within hydrocarbon flames is still an unsolved problem in combustion scienc…
View article: π-Diradical Aromatic Soot Precursors in Flames.
π-Diradical Aromatic Soot Precursors in Flames. Open
Soot emitted from incomplete combustion of hydrocarbon fuels contributes to global warming and causes human disease. The mechanism by which soot nanoparticles form within hydrocarbon flames is still an unsolved problem in combustion scienc…
View article: Nano-TiO2 Coating Layers with Improved Anticorrosive Properties by Aerosol Flame Synthesis and Thermophoretic Deposition on Aluminium Surfaces
Nano-TiO2 Coating Layers with Improved Anticorrosive Properties by Aerosol Flame Synthesis and Thermophoretic Deposition on Aluminium Surfaces Open
TiO2 in the form of nanoparticles is characterized by high photocatalytic activity and high resistance to oxidation, making it an excellent candidate to realize coatings for improving the corrosion resistance of aluminium surfaces. Differe…
View article: Variable Temperature Synthesis of Tunable Flame-Generated Carbon Nanoparticles
Variable Temperature Synthesis of Tunable Flame-Generated Carbon Nanoparticles Open
In this study, flame-formed carbon nanoparticles of different nanostructures have been produced by changing the flame temperature. Raman spectroscopy has been used for the characterization of the carbon nanoparticles, while the particle si…
View article: Production and Characterization of Nano-tio2 Coatings on Aluminium Alloy Surfaces with Improved Anticorrosion Behaviour
Production and Characterization of Nano-tio2 Coatings on Aluminium Alloy Surfaces with Improved Anticorrosion Behaviour Open
This paper presents a one-step method for the coating of aluminium alloy surfaces with titania nanoparticles. This method is based on a highly controllable and tunable technique for the production of thin coating layers of TiO2 nanoparticl…
View article: On the Formation and Accumulation of Solid Carbon Particles in High-Enthalpy Flows Mimicking Re-Entry in the Titan Atmosphere
On the Formation and Accumulation of Solid Carbon Particles in High-Enthalpy Flows Mimicking Re-Entry in the Titan Atmosphere Open
The problem relating to the formation of solid particles enabled by hypersonic re-entry in methane-containing atmospheres (such as that of Titan) has been tackled in the framework of a combined experimental–numerical approach implemented v…
View article: Flame-formed carbon nanoparticles exhibit quantum dot behaviors
Flame-formed carbon nanoparticles exhibit quantum dot behaviors Open
Significance Flame-formed carbon nanoparticles are observed to exhibit quantum confinement behaviors. We demonstrate that the size dependence of photoemission ionization energy in air and optical band gap of flame-generated carbon particle…