A5004838498- Perovskite Materials and Applications
- Quantum Dots Synthesis And Properties
- Electrocatalysts for Energy Conversion
- Advanced Photocatalysis Techniques
- TiO2 Photocatalysis and Solar Cells
- Chalcogenide Semiconductor Thin Films
- Catalytic Processes in Materials Science
- 2D Materials and Applications
- MXene and MAX Phase Materials
- Conducting polymers and applications
- Advancements in Battery Materials
- Advanced battery technologies research
- Transition Metal Oxide Nanomaterials
- Semiconductor materials and devices
- Electronic and Structural Properties of Oxides
- Advanced Memory and Neural Computing
- Bone Tissue Engineering Materials
- Gas Sensing Nanomaterials and Sensors
- Neuroscience and Neural Engineering
- Solid-state spectroscopy and crystallography
- ZnO doping and properties
- Catalysts for Methane Reforming
- Electron and X-Ray Spectroscopy Techniques
- Luminescence Properties of Advanced Materials
- Metal-Organic Frameworks: Synthesis and Applications
Central European Institute of Technology
2021-2025
University of Pardubice
2019-2025
Brno University of Technology
2021-2025
Masaryk University
2024
Central European Institute of Technology – Masaryk University
2024
Industrial University of Santander
2017-2023
National Research Council
2023
University of Pisa
2023
Institute for Chemical and Physical Processes
2023
Instituto de Catálisis y Petroleoquímica
2020
This work aims to investigate the chemical and/or structural modification of Ti and Ti-6Al-4V (TiAlV) alloy surfaces possess even more favorable properties toward cell growth. These modifications were achieved by (i) growing TiO
The synergistic effects between carbon supports and noble metal species of an electrocatalyst are known to effectively boost the alkaline hydrogen evolution reaction (HER). Herein, Atomic Layer Deposition (ALD) was employed decorate papers with Pd comprising single atoms (SAs) nanoparticles (NPs). Transmission electron microscopy analysis revealed metallic nature coexistence as SAs NPs. results X-ray photoelectron spectroscopy supported evidenced SA species, manifested Pd+2. An increase in...
The addition of Ga to Cu/SiO<sub>2</sub>generates new active sites increasing selectivity methanol. mechanistic implications are studied by<italic>in situ</italic>DRIFTS and kinetic experiments.
Within the most mesmerizing materials in world of optoelectronics, mixed halide perovskites (MHPs) have been distinguished because tunability their optoelectronic properties, balancing both light-harvesting efficiency and charge extraction into highly efficient solar devices. This feature has drawn attention analogous hot topics as photocatalysis for carrying out more efficiently degradation organic compounds. However, photo-oxidation ability perovskite depends not only on its excellent...
Different zirconium precursors lead to different bulk properties but similar defective surfaces.
Abstract Halide perovskite nanocrystals (PNCs) have demonstrated their wide potential to fabricate efficient optoelectronic devices and prepare promising photocatalysts for solar‐driven photo(electro)chemical reactions. However, use in most of the practical applications is limited due instability PNCs polar environments. Here, preparation non‐encapsulated CsPbX 3 dispersed fully alcohol environments, with outstanding stability through surface defect passivation strategy reported. By using...
The success in lowering the nucleation delay for Atomic Layer Deposition (ALD) of Ru on carbon surfaces is mitigated by constructive pretreatments resulting enhancement CO functionality. Treatment papers (CP) allowed species deposition minimum number ALD cycles (25 cycles) with good conformality. development electrocatalysts from single atoms to nanoparticles (NPs) conductive supports low metal loadings, thus improving performance, essential electrocatalysis. For alkaline hydrogen evolution...
Two-dimensional (2D) transition metal dichalcogenides (TMDCs) have demonstrated a very strong application potential. In order to realize it, the synthesis of stoichiometric 2D TMDCs on large scale is crucial. Here, we consider typical TMDC representative, MoS2, and present an approach for fabrication well-ordered crystalline films via crystallization thin amorphous layer by annealing at 800 °C, which was investigated in terms long-range short-range orders. Strong preferential crystal growth...
High defect concentrations at the interfaces are basis of charge extraction losses and instability in perovskite solar cells. Surface engineering with organic cations is a common practice to solve this issue. However, full implications counteranions these for device functioning often neglected. In work, we used 4-fluorophenethylammonium cation varying halide modification both methylammonium-free Pb-based n-i-p devices, observing significant differences among iodide, bromide, chloride. The...
One-dimensional TiO2 nanotube layers with different dimensions were homogeneously decorated 2D MoS2 nanosheets via atomic layer deposition and employed for liquid gas phase photocatalysis. The revealed a high amount of exposed active edge sites strongly enhanced the photocatalytic performance layers.
The Pd/Ga ratio influences the phases formed during catalysis. best catalyst necessitates formation of Pd–Ga intermetallic compounds and also a low content Ga<sub>2</sub>O<sub>3</sub>, whose excess tend to block surface sites.
The continuous emission of nitrous oxides contributes to the overall air pollution and deterioration quality. In particular, an effective NO2 sensor capable low concentration detection for monitoring is demanded safety, health, wellbeing. sensing performance a metal oxide-based predominantly influenced by availability surface area O2 adsorption desorption, efficient charge transport, size or thickness layer. this study, we utilized anodic one-dimensional (1D) TiO2 nanotube layers 5 μm thick...
The Pb substitution in quantum dots (PQDs) with lesser toxic metals has been widely searched to be environmentally friendly, and of comparable or improved performance compared the lead-perovskite.
Current efforts to reduce the density of structural defects such as surface passivation, doping, and modified synthetic protocols have allowed us grow high-quality perovskite nanocrystals (PNCs). However, role purity precursors involved during PNC synthesis hinder emergence has not been widely explored. In this work, we analyzed use different crystallization processes PbX2 (X = Cl– or I–) purify chemicals produce highly luminescent stable CsPbCl3–xBrx CsPbI3 PNCs. The a hydrothermal (Hyd)...
Combining two advanced layer-by-layer manufacturing techniques, low-temperature atomic layer deposition of MoS<sub>2</sub>on a customizable 3D-printed nanocarbon surface, for photoelectrochemical energy conversion system.
Halide perovskite nanocrystals (PNCs) exhibit growing attention in optoelectronics due to their fascinating color purity and improved intrinsic properties. However, structural defects emerging PNCs progressively hinder the radiative recombination carrier transfer dynamics, limiting performance of light-emitting devices. In this work, we explored introduction guanidinium (GA+) during synthesis high-quality Cs1-xGAxPbI3 as a promising approach for fabrication efficient bright-red diodes...
Synergistic interplays involving multiple active centers originating from TiO 2 nanotube layers (TNT) and ruthenium (Ru) species comprising of both single atoms (SAs) nanoparticles (NPs) augment the alkaline hydrogen evolution reaction (HER) by enhancing Volmer kinetics rapid water dissociation improving Tafel efficient H* desorption. Atomic layer deposition Ru with 50 process cycles results in a mixture SAs 2.8 ± 0.4 nm NPs present on TNT layers, it emerges highest HER activity among all...
Laser treatment of amorphous TiO<sub>2</sub>nanotube layers leads to their crystallization without deformation or formation the thermal oxide layer.
Herein, a hierarchical MoSe2/1D TiO2 nanotube layer structure was successfully fabricated in simple and fast fashion its photocatalytic electrocatalytic properties were assessed. The novelty of this work lies the utilization atomic deposition (ALD) technique to deposit MoSe2 nanosheets on 1D layers. photoelectrochemical photo- explored optimized as function ALD cycles. allowed precise control nanosheet size, turn, surface structure, which is pivotal for efficient catalysts. grew both inner...
Herein, the synthesis of MoTe2 nanosheets by means Atomic Layer Deposition (ALD) is demonstrated for first time. ALD enables tight control over thickness and composition deposited material, which are highly appealing features nanostructure fabrication. The growth was studied on substrates different nature, including TiO2 nanotube (TNT) layers used as active supporting material fabricating hierarchical nanotubular MoTe2/TNT heterostructure. combination newly synthesized Te precursor with...
A reconstruction process of TiO2 nanotube (TNT) layers towards their superior photoelectrochemical performance and photocatalytic activity is presented. At first, TNT (~5 μm thick, ~250 nm in diameter) were prepared via electrochemical anodization to obtain double-wall (DW) layers. Second, a selective chemical treatment was conducted etch the inner wall, yielding single-wall (SW) Third, coated by an additional approx. 5.5 nm, 11 16 thick coatings, respectively, using Atomic Layer Deposition...