Andrei Kuncser
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View article: Electronic–Structural Phase Correlations in Oxygen‐Deficient Hafnia Nanocrystals
Electronic–Structural Phase Correlations in Oxygen‐Deficient Hafnia Nanocrystals Open
Layers of HfO 2 and (Hf,Zr)O 2 crystalline nano‐particles are synthesized via direct liquid injection atomic layer deposition, and a comprehensive set of structural, chemical, and electrical characterizations is employed to elucidate their…
View article: Explosion Characteristics and Lethality Degree Evaluation from Improvised Explosive Device (IED) Detonation in Urban Area: Case of the Cylindrical Geometry
Explosion Characteristics and Lethality Degree Evaluation from Improvised Explosive Device (IED) Detonation in Urban Area: Case of the Cylindrical Geometry Open
Although the accidental or intentional explosions produced in industrial facilities or in urban areas are events with low probability, they have a high destructive potential and potential for human injuries and/or fatalities. One of the ty…
View article: Antimicrobial Efficacy of Green Silver Nanoparticles Synthesized Using Crataegus monogyna Extract
Antimicrobial Efficacy of Green Silver Nanoparticles Synthesized Using Crataegus monogyna Extract Open
Current demands in the field of functional textiles include the integration of specific characteristics, such as self-cleaning, antimicrobial efficacy and possible wound healing properties. Green synthesis of nanoparticles represents a pro…
View article: Advanced Epoxy Resin/Boron Nitride Composites for High-Performance Electrotechnical Applications and Geological Instrumentation
Advanced Epoxy Resin/Boron Nitride Composites for High-Performance Electrotechnical Applications and Geological Instrumentation Open
Composites were obtained by using a commercial bicomponent epoxy resin (containing Al2O3 and SiO2) and cubic BN (cBN) (0–50 wt.%). Two preparation methods were used: (a) the cBN powder was first mixed with the resin base and further with t…
View article: Large-scale synthesis of monolayer WS<sub>2</sub> by low-temperature sulfurization of oxidized magnetron sputtered monolayer W precursors in a microreactor
Large-scale synthesis of monolayer WS<sub>2</sub> by low-temperature sulfurization of oxidized magnetron sputtered monolayer W precursors in a microreactor Open
We report large-scale synthesis of monolayer WS 2 films obtained by sulfurization of oxidized magnetron sputtered monolayer W precursors. Literature routes typically require ∼ 800°C, well above the 400°C limit imposed by back‐end‐of‐line (…
View article: Structural Analysis of Colloidal Titania‐Based Ribbons and Their Self‐Assembly upon Drying
Structural Analysis of Colloidal Titania‐Based Ribbons and Their Self‐Assembly upon Drying Open
Synchrotron‐based small‐ and wide‐angle X‐ray scattering is used to elucidate the structure of low‐dimensional lepidocrocite–titanate‐based nanofilaments. In the colloidal state, they consist of quantum‐confined 1D NFs, loosely associated …
View article: High‐Entropy Ti, Zr, Hf, Ta Multiphase Diboride with Deformation Resistance up to 2000 °C
High‐Entropy Ti, Zr, Hf, Ta Multiphase Diboride with Deformation Resistance up to 2000 °C Open
A multiphase high‐entropy diboride (Ti 0.25 Ta 0.25 Hf 0.25 Zr 0.25 )B 2 is obtained by spark plasma sintering from a mixture of single‐metal diborides. The as‐prepared material at the microscale can be defined as a composite where grains …
View article: Cation distribution and its magnetic implications in gadolinium–iron garnets for an enhanced control of compensation temperature
Cation distribution and its magnetic implications in gadolinium–iron garnets for an enhanced control of compensation temperature Open
Results highlight magnetic structures of the garnets prepared by two routes as resulting from accurate structural and magnetic refinement demonstrating a similar magnetic coupling distribution with a strong variation of compensation temper…
View article: Guanine-based spin valve with spin rectification effect for an artificial memory element
Guanine-based spin valve with spin rectification effect for an artificial memory element Open
Non-volatile electronic memory elements are very attractive for applications, not only for information storage but also in logic circuits, sensing devices and neuromorphic computing. Here, a ferroelectric film of guanine nucleobase is used…
View article: Electron transporting bilayers for perovskite solar cells: spray coating deposition of c-TiO2/m-SnO2-quantum dots
Electron transporting bilayers for perovskite solar cells: spray coating deposition of c-TiO2/m-SnO2-quantum dots Open
Herein we present a comparative study among different mesoporous electron transporter layers (ETLs), namely nanometric m-TiO2, m-SnO2 and m-SnO2 quantum dots (QDs), deposited by spray coating method. The experimental data correlated with t…
View article: Composites of Titanium–Molybdenum Mixed Oxides and Non-Traditional Carbon Materials: Innovative Supports for Platinum Electrocatalysts for Polymer Electrolyte Membrane Fuel Cells
Composites of Titanium–Molybdenum Mixed Oxides and Non-Traditional Carbon Materials: Innovative Supports for Platinum Electrocatalysts for Polymer Electrolyte Membrane Fuel Cells Open
TiO2-based mixed oxide–carbon composite support for Pt electrocatalysts provides higher stability and CO tolerance under the working conditions of polymer electrolyte membrane fuel cells compared to traditional carbon supports. Non-traditi…
View article: Strategies to improve CO tolerance and corrosion resistance of Pt electrocatalysts for polymer electrolyte membrane fuel cells: Sn-doping of the mixed oxide–carbon composite support
Strategies to improve CO tolerance and corrosion resistance of Pt electrocatalysts for polymer electrolyte membrane fuel cells: Sn-doping of the mixed oxide–carbon composite support Open
Design of composite support materials based on Sn-doped TiO2 and carbon is one of the strategies to develop corrosion-resistant and CO-tolerant Pt electrocatalysts for polymer electrolyte membrane (PEM) fuel cells. As the synthesis methodo…
View article: Acid-modified, Ti3C2-based MXene as catalysts for up-cycling polyethylene terephthalate
Acid-modified, Ti3C2-based MXene as catalysts for up-cycling polyethylene terephthalate Open
Plastics are indispensable materials for packaging and many products from our daily life and their recycling is essential to ensure a circular economy. In this study, −SO3H modified-MXene, Ti3C2, was used as a recoverable solid acid cataly…
View article: MAPLE deposition of hybrid PLGA-Fe3O4- Cypress-PEDOT: PSS coatings
MAPLE deposition of hybrid PLGA-Fe3O4- Cypress-PEDOT: PSS coatings Open
We report on the Matrix Assisted Pulsed Laser Evaporation, laser technology for depositing biocompatible, antimicrobial, hydrophilic, and biodegradable complex hybrid polymeric system loaded with essential cypress-oil and magnetite nanopar…
View article: Acid-modified MXenes, Ti3C2, as catalysts for up-cycling polyethylene terephthalate
Acid-modified MXenes, Ti3C2, as catalysts for up-cycling polyethylene terephthalate Open
Plastics are indispensable materials for packaging and many products from our daily life and their recycling is essential to ensure a circular economy. In this study, −SO3H modified-MXene, Ti3C2, was used as a recoverable solid acid cataly…
View article: Composite Photocatalysts with Fe, Co, and Ni Oxides on Supports with Tetracoordinated Ti Embedded into Aluminosilicate Gel during Zeolite Y Synthesis
Composite Photocatalysts with Fe, Co, and Ni Oxides on Supports with Tetracoordinated Ti Embedded into Aluminosilicate Gel during Zeolite Y Synthesis Open
Ti-aluminosilicate gels were used as supports for the immobilization of Fe, Co, and Ni oxides (5%) by impregnation and synthesis of efficient photocatalysts for the degradation of β-lactam antibiotics from water. Titanium oxide (1 and 2%) …
View article: Improving the control of the electroforming process in oxide-based memristive devices by X-ray nanopatterning
Improving the control of the electroforming process in oxide-based memristive devices by X-ray nanopatterning Open
We tuned the oxygen content in a Ta/TiO 2 /Pt memristive device at the nanoscale by a synchrotron X-ray nanobeam. We obtained a conductive filament of oxygen vacancies in the desired position in the material to achieve a controlled resisti…
View article: Composite Photocatalysts with Fe, Co, Ni Oxides on Supports with Tetracoordinated Ti Embedded into Aluminosilicate Gel during Zeolite Y Synthesis
Composite Photocatalysts with Fe, Co, Ni Oxides on Supports with Tetracoordinated Ti Embedded into Aluminosilicate Gel during Zeolite Y Synthesis Open
Ti-aluminosilicate gels were used as supports for immobilization of Fe, Co and Ni oxides (5%) by impregnation, and synthesis of efficient photocatalysts in degradation of β-lactam antibiotic from water. Titanium oxide (1 and 2%) was incorp…
View article: A Nanocomposite Sol-Gel Film Based on PbS Quantum Dots Embedded into an Amorphous Host Inorganic Matrix
A Nanocomposite Sol-Gel Film Based on PbS Quantum Dots Embedded into an Amorphous Host Inorganic Matrix Open
In this study, a sol-gel film based on lead sulfide (PbS) quantum dots incorporated into a host network was synthesized as a special nanostructured composite material with potential applications in temperature sensor systems. This work dea…
View article: Mesoporous Composite Bioactive Compound Delivery System for Wound-Healing Processes
Mesoporous Composite Bioactive Compound Delivery System for Wound-Healing Processes Open
Currently, the treatment of wounds is still a challenge for healthcare professionals due to high complication incidences and social impacts, and the development of biocompatible and efficient medicines remains a goal. In this regard, mesop…
View article: Reductive Treatment of Pt Supported on Ti0.8Sn0.2O2-C Composite: A Route for Modulating the Sn–Pt Interactions
Reductive Treatment of Pt Supported on Ti0.8Sn0.2O2-C Composite: A Route for Modulating the Sn–Pt Interactions Open
The composites of transition metal-doped titania and carbon have emerged as promising supports for Pt electrocatalysts in PEM fuel cells. In these multifunctional supports, the oxide component stabilizes the Pt particles, while the dopant …
View article: Phytochemical Synthesis of Silver Nanoparticles and Their Antimicrobial Investigation on Cotton and Wool Textiles
Phytochemical Synthesis of Silver Nanoparticles and Their Antimicrobial Investigation on Cotton and Wool Textiles Open
The use of bio-based reagents for silver nanoparticle (AgNP) production has gained much attention among researchers as it has paved the way for environmentally friendly approaches at low cost for synthesizing nanomaterials while maintainin…