A5032895649- Free Radicals and Antioxidants
- Polymer Science and PVC
- Polymer crystallization and properties
- Inorganic and Organometallic Chemistry
- Thermal and Kinetic Analysis
- Synthesis and properties of polymers
- Perovskite Materials and Applications
- Chemistry and Chemical Engineering
- Conducting polymers and applications
- Polymer Nanocomposites and Properties
- Effects of Radiation Exposure
- Analytical Chemistry and Chromatography
- Photopolymerization techniques and applications
- Microplastics and Plastic Pollution
- Photochemistry and Electron Transfer Studies
- Organic Electronics and Photovoltaics
- biodegradable polymer synthesis and properties
- Oxidative Organic Chemistry Reactions
- Electron Spin Resonance Studies
- Organic Chemistry Cycloaddition Reactions
- Chemical Reactions and Isotopes
- Graphene research and applications
- Solid-state spectroscopy and crystallography
- Synthesis and biological activity
- Metal complexes synthesis and properties
University Hospital Hradec Králové
2025
Brno University of Technology
2015-2024
University of Veterinary Sciences Brno
2014-2021
Masaryk University
2020
Charles University
2012-2015
University Hospital Plzen
2012
Czech Technical University in Prague
1999-2012
Czech Academy of Sciences, Institute of Macromolecular Chemistry
2001-2011
University of Ostrava
2011
Czech Academy of Sciences
1990-2005
Abstract Temperature-modulated space-charge-limited-current spectroscopy (TMSCLC) is applied to quantitatively evaluate the density of trap states in band-gap with high energy resolution semiconducting hybrid lead halide perovskite single crystals. Interestingly multicomponent deep were observed pure crystals, which assumingly caused by formation nanodomains due presence mobile species perovskites.
Methylammonium lead bromide is a very perspective hybrid semiconductor material, suitable for high-sensitive, filter-free photodetection of electromagnetic radiation. Herein, we studied the effect electrode spacing on output performance and stability planar-type photodetectors based high-quality MAPbBr3 single crystals. Such crystals, as large 4.5×4.5×1.2 mm3 were synthesized via inverse temperature crystallization method further used fabrication planar Au/MAPbBr3/Au with variable (in range...
Abstract Measurements were made of dynamic mechanical response spectra and stress–strain properties at room temperature on films isotactic polypropylene low‐density polyethylene prior after ultraviolet irradiation in a Xenotest 450 apparatus. The period that caused deep deterioration ultimate influenced the only insignificantly. This is attributed to heterogeneous nature photo‐oxidative degradation process which concentrated finite number sites, thus forming crack precursors rather than...
The article is focused on the study of optical properties inkjet-printed graphene oxide (GO) layers by spectroscopic ellipsometry. Due to its unique and electrical properties, GO can be used as, for example, a transparent flexible electrode material in organic printed electronics. Spectroscopic ellipsometry was characterize response layer reduced form (rGO, obtainable, reduction prepared either annealing, UV radiation, or chemical reduction) visible range. thicknesses were determined...
Abstract Solar cells, light emitting diodes, and X‐ray detectors based on perovskite materials often incorporate gold electrodes, either in direct or indirect contact with the compound. Chemical interactions between active layers contacts deteriorate operation induce degradation, being identification of chemical nature such interfacial structures an open question. reactivity semiconductor leads to reversible formation oxidized halide species explains generation vacancies vicinity interface....
(a) The sandwich structure of the planar device based on ZnO ETL and fully-processed in ambient air. (b) Significant improvement current density PSCs after using 1D carbon nanotubes ETLs.
Luminescent solar concentrators (LSCs) are light-harvesting devices that redirect light to an edge-attached photovoltaic cell, and thus, they have high potential be incorporated directly into buildings' windows allow for generating electricity. Perovskite nanocrystals (PNCs) promising materials LSCs because their enticing optical properties can engineered provide a photoluminescence (PL) quantum yield (QY) low overlap between absorption emission spectra. Replacement of toxic, lead-containing...
Optoelectronic devices operate under continuous thermal stress that may influence both long-term stability and optical properties of the active material. It is therefore useful to know elastic materials. In general, constants a material be deduced by measurement speed sound in this work, we report on measurements three lead-free halide perovskites, namely inorganic Cs3Bi2I9 hybrid MA3Bi2I9 MA3Sb2I9, means femtosecond transient reflectivity shows oscillations signal intensity are related...
Normal pressure hydrocephalus (NPH) is a preventable and treatable cause of dementia. A telemetric prechamber allows individually tailored ventriculoperitoneal (VP) shunt valve adjustments in patients treated with the shunting procedure. In this pilot, prospective randomized trial, thirty-three adult were divided into Group (with an implanted prechamber) B (without prechamber). The overall condition, Mini-Mental-State-Examination (MMSE) score, gait test evaluated 3, 6, 9, 12 months after...