Davide Barreca

• PhD
• Research Director at National Research Council, Padova

Harvesting radiant energy to trigger water photoelectrolysis and produce clean hydrogen is receiving increasing attention in the search of alternative energy resources. In this regard, hematite (α-Fe 2 O 3) nanostructures with controlled nano-organization have been fabricated and investigated for use as anodes in photoelectrochemical (PEC) cells. T...

Pt/α-Fe2O3 nanocomposites were synthesized on fluorine-doped tin oxide (FTO) substrates by a sequential plasma enhanced-chemical vapor deposition (PE-CVD)/radio frequency (RF) sputtering approach, tailoring the overall Pt content as a function of sputtering time. The chemico-physical properties of the as-prepared systems were extensively investigat...

Herein we report a new, simple, low cost and one step way to obtain silica-supported silver nanoparticles (AgNPs) on commercial polyethyleneimine-functionalized silica beads (SiO 2-PEI) under mild experimental conditions. The novel AgNPs/(SiO 2-PEI) material has been thoroughly analyzed using FE-SEM, BET, XRD, XPS and XE-AES analysis. The reduction...

p-Type Co(3)O(4) nanostructured films are synthesized by a plasma-assisted process and tested in the photocatalytic production of H(2) from water/ethanol solutions under both near-UV and solar irradiation. It is demonstrated that the introduction of fluorine into p-type Co(3)O(4) results in a remarkable performance improvement with respect to the c...

NiO nanostructures fabricated on glass substrates at low temperatures by plasma assisted-vapor deposition offer amenable perspectives for the implementation of hydrophobic surfaces and the photodegradation of recalcitrant pollutants.

Composite materials based on graphitic carbon nitride (gCN) and decorated with either ZnO or ZnFe2O4 nanoparticles (NPs) have been fabricated and tested as (photo)electrocatalysts for the ethanol oxidation reaction. In this work, we report on the x-ray photoelectron spectroscopy analysis of two representative composite specimens, obtained by electr...

The sustainable production of hydrogen fuel through biomass-derived ethanol valorization is directly dependent on the availability of eco-friendly and efficient electrocatalysts for possible real-world end-uses. To this aim, graphitic carbon nitride (gCN) supported on flexible carbon cloths via electrophoretic deposition was functionalized with nan...

A fascinating surface! By modelling NiO(100) slabs at varying –OH defect densities different structures are found, including three- and tetra-coordinated Ni species. Their electronic structure ranges from p-type or n-type to metallic character.

In this work, we report the x-ray photoelectron spectroscopy characterization of a novel nanocomposite (photo)electrocatalyst for the oxygen evolution reaction, based on amorphous carbon nitride (aCN) functionalized with CuxO nanoparticles (NPs). The specimen has been fabricated employing two sequential plasma-assisted processes, involving the init...

Correction for ‘Plasma-assisted fabrication of ultra-dispersed copper oxides in and on C-rich carbon nitride as functional composites for the oxygen evolution reaction’ by Mattia Benedet et al. , Dalton Trans. , 2024, https://doi.org/10.1039/d4dt02186j.

Layered double hydroxides (LDHs) and graphitic carbon nitride (gCN) are burgeoning multifunctional materials that have attracted a considerable interest as heterogeneous catalysts for environmental remediation. In the present work, we report on the x-ray photoelectron spectroscopy characterization of a representative MgAlTi-LDH/gCN heterocomposite,...

The effective degradation of persistent aqueous pollutants, such as fenitrothion (FNT), a widely used organophosphate pesticide, represents a major urgency for the protection of human health and the environment. In this regard, this study is focused on the fabrication of green photoelectrocatalysts based on graphitic carbon nitride (gCN), capable o...

Amorphous carbon nitride functionalized with ultra-dispersed copper oxides through a plasma-assisted route holds promise as an electrocatalyst for water splitting applications.

Atmospheric pollution has been recognized as a primary global emergency, especially in large cities and industrial areas. Among the most common harmful pollutants, nitrogen oxides (NOx) are responsible for a plethora of adverse effects, and their effective elimination from air has become an imperative task. In this regard, photocatalysis stands as...

Nanocomposites based on Pt nanoparticles (NPs) and graphitic carbon nitride (gCN) have emerged as promising (photo)electrocatalysts for sustainable energy production, thanks to the synergistical combination of Pt NPs catalytic performances with the favorable gCN chemicophysical properties. In this work, we have focused on electrophoretic deposition...

The design and synthesis of low-cost oxygen evolution reaction (OER) photoelectrocatalysts endowed with high activity and durability is of utmost importance for sustainable energy generation via solar-assisted water splitting. In this regard, and in the framework of our recent activities, we have focused on the electrophoretic deposition of graphit...

In the present work, exfoliated graphitic carbon nitride (g‐CN) is immobilized on carbon paper substrates by a simple electrophoretic route, and subsequently decorated with ultra‐low amounts (≈μg/cm²) of Pt nanoparticles (NPs) by cold plasma sputtering. Optimization of preparative conditions allowed a fine tuning of Pt NPs size, loading and distrib...

The development of low‐cost and high‐efficiency oxygen evolution reaction (OER) photoelectrocatalysts is a key requirement for H2 generation via solar‐assisted water splitting. In this study, we report on an amenable fabrication route to carbon cloth‐supported graphitic carbon nitride (gCN) nanoarchitectures, featuring a modular dispersion of NiO a...

In this work, we propose an original and potentially scalable synthetic route for the fabrication of CuxO–gCN–TiO2–Au (x = 1,2) nanoarchitectures, based on Cu foam anodization, graphitic carbon nitride liquid-phase deposition, and TiO2/Au sputtering. A thorough chemico-physical characterization by complementary analytical tools revealed the formati...

NiO-based nanomaterials have attracted considerable interest for different applications, which have stimulated the implementation of various synthetic approaches aimed at modulating their chemico-physical properties. In this regard, their bottom-up preparation starting from suitable precursors plays an important role, although a molecular-level ins...

NiO-based nanomaterials have attracted a great deal of interest in view of various applications, that have stimulated the implementation of various synthetic approaches to control their chemico-physical properties as a function of the desired end-use. In this regard, their bottom-up preparation starting from suitable precursors plays an important r...

Nickel oxide (NiO) thin films are of great importance for a variety of technological applications, especially in (photo)electrocatalysis for clean energy production and pollutant degradation. In this field, various research efforts are devoted to the preparation of thin films with controllable chemicophysical properties. In the framework of our res...

NiO-based thin films and nanomaterials are promising candidates for a variety of end-uses, encompassing photo- and electrocatalysts, solar cells, displays, and sensors. This widespread attention has strongly fueled the interest in the fabrication of tailored systems featuring modular chemico-physical properties as a function of the required applica...

Nanocomposite systems based on iron(III) oxide (Fe2O3) and graphitic carbon nitride (gCN) possess a great potential as photo(electro)catalysts for environmental remediation and energy generation. In this field, a key issue is the fabrication of supported materials directly grown onto suitable substrates and possessing tailored features. In the pres...

The design and fabrication of eco-friendly and cost-effective (photo)electrocatalysts for the oxygen evolution reaction (OER) is a key research goal for a proper management of water splitting to address the global energy crisis. In this work, we focus on the preparation of supported MnO2/graphitic carbon nitride (g-CN) OER (photo)electrocatalysts b...

Composite materials based on MnO2 deposits functionalized with graphitic carbon nitride (gCN) nanostructures are promising (photo)electrocatalysts for oxygen evolution reaction (OER). Besides the individual properties of the two electrode components, mutual interactions at their interface can also exert a significant influence on functional perform...

Tailored Functional Oxide Nanomaterials: From Design to Multi-Purpose Applications delivers a one-of-a-kind discussion of the fundamentals and key applications of metal oxide nanomaterials. The book explores everything from their preparation to the mastering of their characteristics in an interdisciplinary view. The distinguished authors address th...

NiO-based films and nanostructured materials have received increasing attention for a variety of technological applications. Among the possible strategies for their fabrication, atomic layer deposition (ALD) and chemical vapor deposition (CVD), featuring manifold advantages of technological interest, represent appealing molecule-to-material routes...

Graphitic carbon nitride (gCN) is a promising n-type semiconductor widely investigated for photo-assisted water splitting, but less studied for the (photo)electrochemical degradation of aqueous organic pollutants. In these fields, attractive perspectives for advancements are offered by a proper engineering of the material properties, e.g., by depos...

Materials based on graphitic carbon nitride (gCN) have drawn a great deal of attention as (photo)electrocatalysts triggering the oxygen evolution reaction (OER) in H2O splitting processes to yield hydrogen fuel. In this work, nonmonochromatized Mg Kα radiation (1253.6 eV) was used to acquire photoelectron spectroscopy data on gCN-containing composi...

A MnIII-substituted Wells-Dawson-type polyoxoanion, [MnIII 4 (H2O)2(P2W15O56)2]12 (Mn4(P2W15)2), was surface immobilised within the conducting polymer poly(3,4-ethylenedioxythiophene) (PEDOT) on a glassy carbon electrode (GCE) surface. The resulting immobilised films were characterised by electrochemical techniques and subjected to a compositional...

Sustainable development compliant with enviroment and human health protection motivates researchers to explore green solutions towards an improved economic and social wellbeing. These objectives, still very far from being achieved...

Solar-driven seawater electrolysis for hydrogen fuel production holds an outstanding potential towards the development of a carbon-neutral and sustainable energy infrastructure, but the development of green, efficient and stable photoelectrocatalysts...

A copper-containing metal organic framework was prepared using the new organic linker 5-(2-{[(prop-2-yn-1-yloxy)carbonyl]-amino}ethoxy)isophthalic acid [1,3-H2YBDC (where Y = alkYne and BDC = Benzene DiCarboxylate)] and functionalized with gold particles by reaction with HAuCl4 under thermal treatment in methanol. The resulting system was investiga...

In the present contribution, x-ray photoelectron spectroscopy was used to characterize the surface composition and elemental chemical states of graphitic carbon nitride (g-C3N4) materials decorated with highly dispersed noble metals (Au, Ag, or Au + Ag). Samples were prepared through electrophoretic deposition of g-C3N4 on fluorine-doped tin oxide...

The strategic interest in the production of green hydrogen by sunlight-activated water splitting has stimulated significant efforts aimed at the implementation of active and cost-effective catalysts for the oxygen evolution reaction (OER), the overall process bottleneck. Herein, we report on an original fabrication route to OER electrocatalysts bas...

The early and efficient detection of chemical warfare agents (CWAs), hazardous compounds resulting in fatal and irreversible health damages, is an issue of primary importance for security safeguard. Despite the efforts undertaken to date, the quest of lower detection limits, higher selectivity/stability, and faster recognition still represents a ma...

In this work, x-ray photoelectron spectroscopy was employed to characterize the surface composition and elemental chemical states of supported Co3O4-SnO2 and Co3O4-Fe2O3 nanocomposites. The present materials were prepared on Si(100) substrates by the chemical vapor deposition of cobalt oxide under O2 + H2O atmospheres, followed by the tailored intr...

The detrimental effects of gaseous nitrogen oxides (NOx, with x = 1 and 2) on both human health and the environment have triggered efforts aimed at the development of solar-activated photocatalysts for their efficient removal. In this regard, Fe2O3-WO3 and Fe2O3-CuO nanoheterostructures were prepared by a two-step vapor phase route. In particular,...

Iron(III) oxide nanomaterials are extremely promising for the development of magnetic devices, gas sensors, photocatalysts, and photoelectrodes for solar water splitting. The fabrication of such systems by chemical vapor deposition (CVD) relies on the use of molecular sources joining shelf-stability, high volatility, and clean decomposition. Herein...

The increasing release and accumulation of harmful nitrogen oxides (NOx with x = 1,2) in industrial and urban environments renders the efficient removal of these atmospheric pollutants an urgent and obligatory issue. In this regard, the advantages yielded by photocatalytic oxidation processes have triggered the search for eco-friendly catalysts fea...

Co3O4-Based Electrocatalysts on Ni Foam The development of active and cheap materials to trigger oxygen evolution is of utmost importance in water splitting systems to yield molecular hydrogen. In article number 2100763, Alberto Gasparotto, Davide Barreca, and co-workers report that plasma-fabricated Co3O4-based nanostructures on porous metal scaff...

Electrocatalytic oxygen evolution reaction (OER) plays a key role in sustainable energy conversion and storage, but is severely hampered by the lack of efficient catalysts, whose development remains a critical and challenging issue. Herein, it is reported for the first time that pure and Fe2O3-containing Co3O4-based OER electrocatalysts are grown o...

Co3O4 thin films and nanosystems are implemented in a broad range of functional systems, including gas sensors, (photo)catalysts, and electrochemical devices for energy applications. In this regard, chemical vapor deposition (CVD) is a promising route for the fabrication of high-quality films in which the precursor choice plays a key role in the pr...

A copper-based metal-organic framework (MOF) was prepared using a new linker, a 5-substituted isophthalic acid bearing a propargyl carbamate group, intended to provide a terminal alkyne function protruding from the material surface to generate supported gold species for potential catalytic applications. The novel material was fully characterized by...

The electrolysis of seawater, a significantly more abundant natural reservoir than freshwater, stands as a promising alternative for sustainable hydrogen production, provided that the competitive chloride electrooxidation is minimized. Herein, we propose an original material combination to selectively trigger oxygen evolution from seawater at expen...

Transition metal complexes with β-diketonate and diamine ligands are valuable precursors for chemical vapor deposition (CVD) of metal oxide nanomaterials, but the metal-ligand bond dissociation mechanism on the growth surface is not yet clarified in detail. We address this question by density functional theory (DFT) and ab initio molecular dynamics...

Transition metal complexes with β-diketonate and diamine ligands are valuable precursors for the chemical vapor deposition (CVD) of metal oxide nanomaterials, but the metal-ligand bond dissociation mechanism on the growth surface is not clarified yet. We address this question by Density Functional Theory (DFT) and ab initio molecular dynamics (AIMD...

X-ray photoelectron spectroscopy was used to characterize the chemical composition and elemental states of bare and composite Mn2O3 (Mn2O3-Ag, Mn2O3-SnO2) nanomaterials. The target systems were prepared by the initial plasma enhanced-chemical vapor deposition of manganese oxides on alumina substrates, followed by annealing in inert atmospheres and...

The present study is devoted to the characterization of MnO2-Ag and MnO2-SnO2 nanocomposites of technological interest as gas sensors for food quality control and security applications. In particular, MnO2 nanomaterials were deposited on polycrystalline alumina substrates by plasma enhanced-chemical vapor deposition and functionalized with either A...

The development of cheap and efficient catalysts for the oxygen evolution reaction (OER) plays a critical role for sustainable energy conversion and storage. Herein, we report on Mn2O3-based systems supported on nickel foams and functionalized with first-row transition-metal (Fe, Co, Ni) oxide nanoparticles (NPs) as OER electrocatalysts in alkaline...

Earth‐abundant and eco‐friendly manganese oxides are promising platforms for the oxygen evolution reaction (OER) in water electrolysis. Herein, a versatile and potentially scalable route to gold‐decorated manganese oxide‐based OER electrocatalysts is reported. In particular, MnxOy (MnO2, Mn2O3) host matrices are grown on conductive glasses by plasm...

The development of catalysts with high intrinsic activity towards the oxygen evolution reaction (OER) plays a critical role in sustainable energy conversion and storage. Herein, we report on the development of efficient (photo)electrocatalysts based on functionalized MnO2 systems. Specifically, β‐MnO2 nanostructures grown by plasma enhanced‐chemica...

The design of eco-friendly electrocatalysts for ethanol valorization is an open challenge towards sustainable hydrogen production. Herein we present an original fabrication route to effective electrocatalysts for ethanol oxidation reaction (EOR). Herein, hierarchical MnO2 nanostructures are grown on high-area nickel foam scaffolds by a plasma-assis...

MnO2 nanostructures were fabricated by plasma assisted-chemical vapor deposition (PA-CVD) using a fluorinated diketonate diamine manganese complex, acting as single-source precursor for both Mn and F. The syntheses were performed from Ar/O2 plasmas on MgAl2O4(100), YAlO3(010), and Y3Al5O12(100) single crystals at a growth temperature of 300 °C, in...

The design and development of environmentally friendly and robust anodes for photoelectrochemical (PEC) water splitting plays a critical role for the efficient conversion of radiant energy into hydrogen fuel. In this regard, quasi-1D copper vanadates (CuV2O6) were grown on conductive substrates by a hydrothermal procedure and processed for use as a...

The efficient detection of low-concentration ethylene is a challenging issue of key importance for food quality control end-uses. Herein, we report on the fabrication of MnO₂-based nanoarchitectures by a two-step plasma-assisted process, consisting in the initial chemical vapor deposition of MnO₂ (host) on polycrystalline Al₂O₃ substrates and the s...

The efficient detection of chemical warfare agents (CWAs) is of paramount importance in the development of reliable sensing devices for safety applications. In particular, the increased threats of chemical attacks by terrorist organizations have stimulated a significant interest in the early detection of CWAs. Due to the high toxicity and necessity...

The efficient detection of chemical warfare agents (CWAs) for homeland defense and people safety has received a growing attention, due to their high toxicity and dangerous effects on human health even at low concentration levels. In this regard, sensing of acetonitrile, a simulant of cyanide CWAs known to be itself a poisonous gas at low levels in...

Photoactivated processes have been widely recognized as cost effective and environmentally friendly routes for both renewable energy generation and purification/cleaning technologies. Great attention has been devoted to the degradation of persistent pollutants in effluent wastewaters, such as dyes from textile, paper and pharmaceutical industries,...

Among oxide semiconductors, p-type Mn3O4 systems have been exploited in chemo-resistive sensors for various analytes, but their use in the detection of H2, an important, though flammable, energy vector, has been scarcely investigated. Herein, we report for the first time on the plasma assisted-chemical vapor deposition (PA-CVD) of Mn3O4 nanomateria...

Quasi-1D MnO2 nanocomposite materials (A/MnO2 with A = CuO, SnO2) were developed by a two-step plasma-assisted process, involving the plasma enhanced-chemical vapor deposition (PE-CVD) of MnO2 nanomaterials and their functionalization with copper or tin oxides by radio frequency (RF)-sputtering. A thorough characterization by means of specific surf...

A series of multilayer electrode assemblies have been fabricated through the layer by layer (LBL) technique composed of the water soluble Cu-phthalocyanine (Alcian Blue 8GX) cationic species and a range of Dawson type polyoxometalates (POMs) on glassy carbon electrodes in pH 7.0. Electrochemistry for both the cationic phthalocyanine and the incorpo...

Nanomaterials based on Mn3O4 and functionalized with Fe2O3 or ZnO, obtained by a two‐step vapor phase process, yield attractive gas sensing responses to ammonia at moderate temperatures. These features are accompanied by detection limits appreciably lower than safety thresholds and good selectivity to NH3 against potential interferents, opening the...

In the present work, α-Mn3O4 (hausmannite) nanostructured films were fabricated by chemical vapor deposition (CVD) on indium tin oxide- (ITO-) coated glass substrates from a β-diketonate-diamine Mn(II) precursor. Materials were grown in a N2+O2 atmosphere in the presence of water vapor, investigating the influence of growth temperature and total pr...

The fabrication of metal oxide‐based gas sensors with tailored structural design is of particular importance for the early recognition of poisonous/explosive analytes like ammonia, an irritating chemical occurring in a plethora of practical contexts. In this regard, the present work reports on the fabrication and gas sensing application of p‐Mn3O4/...

Highly stable gold nanoparticles anchored on propynylcarbamate-functionalized silica (Au/SiO2@Yne) have been efficiently utilized for the heterogeneous hydroamination of phenylacetylene with aniline under different reaction conditions. In order to ascertain the eventual influence of surface silanol groups on the system activity and selectivity tail...

The formation of oriented enamel-like fluoride doped hydroxyapatite (HA) nanorods on amorphous calcium phosphate (ACP) substrates in a bare form and containing citrate is compared. It is found that the presence of citrate, delays the conversion into un-oriented HA that in turn affects the overgrowth of nanorods as well as their shape and surface fe...

The efficient detection of chemical warfare agents (CWAs), putting at stake human life and global safety, is of paramount importance in the development of reliable sensing devices for safety applications. Herein, we present the fabrication of Mn3O4-based nanocomposites containing noble metal particles for the gas-phase detection of a simulant of ve...

The utilization of solar radiation to trigger photoelectrochemical (PEC) water splitting has gained interest for sustainable energy production. In this study, attention is focused on the development of ZnO–TiO2 nanocomposite photoanodes. The target systems are obtained by growing porous arrays of highly crystalline, elongated ZnO nanostructures on...

We report on a combined chemical vapor deposition (CVD)/radio frequency (RF) sputtering synthetic strategy for the controlled surface modification of ZnO nanostructures by Ti-containing species. Specifically, the proposed approach consists in the CVD of grown-on-tip ZnO nanopyramids, followed by titanium RF sputtering under mild conditions. The res...

Nanostructured α-Mn3O4 (haussmannite) thin films consisting of evenly interconnected nanoaggregates were prepared on Si(100) substrates by chemical vapor deposition from a Mn(II) diketonate-diamine precursor, under different reaction atmospheres (dry vs. wet O2) and total operating pressures. The combination of chemico-physical results obtained by...

Supported MnO2-based nanomaterials were fabricated on fluorine-doped tin oxide substrates using plasma enhanced-chemical vapor deposition (PE-CVD) between 100 °C and 400 °C, starting from a fluorinated Mn(ii) diamine diketonate precursor. Growth experiments yielded β-MnO2 with a hierarchical morphology tuneable from dendritic structures to quasi-1D...

Supported Mn(IV) oxide nanomaterials were prepared by plasma assisted-chemical vapor deposition from Ar/O2 plasmas starting from a fluorinated Mn(II) β-diketonate diamine adduct. Under the adopted conditions, the target compound served as a single-source molecular precursor for the obtainment of MnO2 nanosystems uniformly doped with fluorine. The o...

Nanostructured materials based on ZnO, eventually functionalized with titanium oxide (TiO2) or tungsten oxide (WO3), were fabricated on fluorine-doped tin oxide-coated glass substrates by a combined chemical vapor deposition/radio frequency-sputtering route. In particular, the present work focuses on the use of x-ray photoelectron and x-ray excited...

Among transition metal oxides, MnO2 is of considerable importance for various technological end-uses, from heterogeneous catalysis to gas sensing, owing to its structural flexibility and unique properties at the nanoscale. In this work, we demonstrate the successful fabrication of supported MnO2 nanomaterials by a catalyst-free, plasma-assisted pro...

Mn3O4 thin films were fabricated on SrTiO3(111) and Y3Al5O12(100) substrates by chemical vapor deposition (CVD) under O2 atmospheres, starting from a fluorinated Mn(II) diketonate-diamine adduct. The obtained systems were investigated by a multi-technique characterization in order to elucidate the interplay between preparation conditions and their...

The development of efficient sensors for security field and food quality control applications has gained an ever‐increasing attention for various end‐uses. In this context, this work reports on the preparation of β‐MnO2 nanosystems by plasma enhanced‐chemical vapor deposition (PE‐CVD), using a fluorinated Mn(II) diamine‐diketonate as single‐source...

Magnetic Fe3O4 (magnetite) nanoparticles are synthesized via a chemical precipitation route in different alkaline environments (NH3 or NaOH) and subsequently functionalized with a (propynylcarbamate)triethoxysilane moiety, with the aim of promoting the nucleation and subsequent stabilization of gold nanoparticles. The propynylcarbamate group is abl...

In the present contribution, bare and composite Mn3O4 (Mn3O4-X, with X = Ag, Au, or TiO2) thin films were fabricated by a two-step vapor-phase route, consisting in: (1) chemical vapor deposition of Mn3O4 on Si(100) substrates starting from a fluorinated β-diketonate diamine Mn(II) complex; (2) introduction of silver, gold, or titania by means of ra...

Supported p-type α-Mn3O4 nanosystems were fabricated by means of chemical vapor deposition (CVD) on polycrystalline alumina substrates at temperatures of 400 and 500°C, using Mn(hfa)2•TMEDA (hfa = 1,1,1,5,5,5-hexafluoro-2,4-pentanedionate; TMEDA = N,N,N’,N’-tetramethylethylenediamine) as precursor compound. The structure, chemical composition and m...

A facile two-step vapor phase synthetic approach is proposed for the fabrication of Mn3O4 thin films chemically modified with fluorine, and eventually functionalized with silver or titania. The adopted strategy exploits the initial chemical vapor deposition (CVD) of Mn3O4 on Si(100) substrates starting from a diamine diketonate Mn(II) complex, foll...

Photoreforming promoted by metal oxide nanophotocatalysts is an attractive route for clean and sustainable hydrogen generation. In the present work, we propose for the first time the use of supported Mn3O4 nanosystems, both pure and functionalized with Au nanoparticles (NPs), for hydrogen generation by photoreforming. The target oxide systems, prep...

The detection of poisonous chemicals and warfare agents, such as acetonitrile and dimethyl methylphosphonate, is of utmost importance for environmental/health protection and public security. In this regard, supported Mn3O4 nanosystems were fabricated by vapor deposition on Al2O3 substrates, and their structure/morphology were characterized as a fun...

In order to sustainably meet the future humanity energy needs, alternative energy production techniques, such as artificial photosynthesis, have captured significant attention. In this regard, the possibility of harvesting sunlight and storing it in chemical bonds for subsequent redistribution is a challenging alternative. In particular, photo-acti...