Anna Łukowiak
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View article: Synthesis, Structure, and Properties of Reduced Graphite Oxide Modified with Zirconium Phthalocyanine as a Catalyst for Photooxidation and Dye Photodegradation
Synthesis, Structure, and Properties of Reduced Graphite Oxide Modified with Zirconium Phthalocyanine as a Catalyst for Photooxidation and Dye Photodegradation Open
In the aspect of water purification, a photoactive hybrid material based on reduced graphite oxide (RGO) with covalently, coordinatively, and through van der Waals interactions bonded zirconium(IV) phthalocyanine (PcZr) is proposed. In the…
View article: Flexible Glass: Myth and Photonic Technology
Flexible Glass: Myth and Photonic Technology Open
The recent fast advances in consumer electronics, especially in cell phones and displays, have led to the development of ultra-thin, hence flexible, glasses. Once available, such flexible glasses have proven to be of great interest and use…
View article: Flexible Glass: Myth and Photonic Technology
Flexible Glass: Myth and Photonic Technology Open
The recent fast advances in consumer electronics, especially in cell phones and displays, have led to the development of ultrathin, hence flexible, glasses. Once available, such flexible glasses have proven to be of great interest and usef…
View article: Flexible glass planar structures fabricated by rf-sputtering
Flexible glass planar structures fabricated by rf-sputtering Open
We present flexible SiO2/HfO 2 one-dimensional photonic crystals, fabricated via radio frequency sputtering. The structural, morphological, and optical features of the samples were investigated. One of the most remarkable finding lies in t…
View article: Novel lanthanide-doped Y3-xNaxAl5-yVyO12 garnets: Synthesis, structural and optical properties
Novel lanthanide-doped Y3-xNaxAl5-yVyO12 garnets: Synthesis, structural and optical properties Open
In this study the novel garnet-type Y2.47Na0.5Ln0.03Al5O12, Y2.97Ln0.03Al4.95V0.05O12, Y2.92Na0.05Ln0.03Al4.9833V0.0167O12 (Ln = Ce3+, Tb3+, Eu3+) phosphors were successfully synthesized by the sol-gel method for the first time. The struct…
View article: Influence of Bromination on the Phase Transitions, Structural, Phonon, and Optical Properties Explored for 2-Bromoethylammonium Bismuth Bromide
Influence of Bromination on the Phase Transitions, Structural, Phonon, and Optical Properties Explored for 2-Bromoethylammonium Bismuth Bromide Open
The physicochemical characteristics of a zero-dimensional (0D) hybrid organic–inorganic bismuth bromide templated by 2-bromoethylammonium cations (BEA)3BiBr6 are investigated. Single-crystal X-ray diffraction data showed that the examined …
View article: Sol–Gel Photonic Glasses: From Material to Application
Sol–Gel Photonic Glasses: From Material to Application Open
In this review, we present a short overview of the development of sol–gel glasses for application in the field of photonics, with a focus on some of the most interesting results obtained by our group and collaborators in that area. Our mai…
View article: Fabrication and assessment of mechanically flexible 1D photonic crystals
Fabrication and assessment of mechanically flexible 1D photonic crystals Open
Flexible glass photonics is a cutting-edge technological and scientific research field that, thanks to a very broad spectrum of applications, has tremendously grown during the last decade and is now a strategic topic. Here, we present the …
View article: Cation-Exchange in Metal-Organic Framework as a Strategy to Obtain New Material for Ascorbic Acid Detection
Cation-Exchange in Metal-Organic Framework as a Strategy to Obtain New Material for Ascorbic Acid Detection Open
Ascorbic acid (AA) is an important biomolecule, the deficiency or maladjustment of which is associated with the symptoms of many diseases (e.g., cardiovascular disease or cancer). Therefore, there is a need to develop a fluorescent probe c…
View article: Effect of ZnO on sol–gel glass properties toward (bio)application
Effect of ZnO on sol–gel glass properties toward (bio)application Open
In this study, two spherical nanoglasses based on the binary 83SiO2–17CaO (wt.%) (BG) and ternary 75SiO2–8CaO–17ZnO (BG-ZnO) systems were prepared following a sol–gel method. Changes in the structure, morphology and composition of the glas…
View article: Novel CaO–SiO2–P2O5 Nanobioglass Activated with Hafnium Phthalocyanine
Novel CaO–SiO2–P2O5 Nanobioglass Activated with Hafnium Phthalocyanine Open
Bioactive glasses are materials which can be used in medicine for regeneration of hard and soft tissues. Their functionalization with active molecules or addition to composites broaden significantly the possible range of glass applications…
View article: CCDC 2072384: Experimental Crystal Structure Determination
CCDC 2072384: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2072383: Experimental Crystal Structure Determination
CCDC 2072383: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: New isomorphous complexes of Co(II) and Zn(II) with the 5-nitroorotate ligand: Crystal and molecular structures, spectroscopic and DFT studies, magnetic properties and antimicrobial activities
New isomorphous complexes of Co(II) and Zn(II) with the 5-nitroorotate ligand: Crystal and molecular structures, spectroscopic and DFT studies, magnetic properties and antimicrobial activities Open
Two novel isomorphous Co(II) and Zn(II) complexes of 5-nitroorotate have been synthesized and characterized by a single crystal X-ray diffraction, FT-IR, Raman and UV-Vis-NIR spectroscopy as well as thermal analysis. Both tetraaqua(5-nitro…
View article: Eu3+ as a Powerful Structural and Spectroscopic Tool for Glass Photonics
Eu3+ as a Powerful Structural and Spectroscopic Tool for Glass Photonics Open
The unique properties of the Eu3+ ion make it a powerful spectroscopic tool to investigate structure or follow processes and mechanisms in several high-tech application areas such as biology and health, structural engineering, environment …
View article: Flexible all-glass planar structured fabricated by RF-sputtering
Flexible all-glass planar structured fabricated by RF-sputtering Open
Flexible SiO 2 /HfO 2 1D photonic crystals and active SiO 2 –HfO 2 :Er 3+ all-glass flexible planar waveguides fabricated by radio frequency sputtering, are presented. The 1D photonic crystals show a strong dependence of the optical featur…
View article: (INVITED)A review on rare-earth activated SnO2-based photonic structures: Synthesis, fabrication and photoluminescence properties
(INVITED)A review on rare-earth activated SnO2-based photonic structures: Synthesis, fabrication and photoluminescence properties Open
Rare-earth-activated photonic structures are fundamental actors in widespread applications such as luminescence sources, lasers, integrated photonics, solar cells, biomedical sensors and imaging, biomarkers, and theragnostics. However, the…
View article: Influence of fluoroalkyl chains on structural, morphological, and optical properties of silica-based coatings on flexible substrate
Influence of fluoroalkyl chains on structural, morphological, and optical properties of silica-based coatings on flexible substrate Open
The presented work aimed to investigate the dependence of the fluoroalkyl precursors, used in the sol–gel synthesis of silica-based materials, on the structural and optical properties of the final coating deposited on polyethylene terephth…
View article: The Impact of Graphite Oxide Nanocomposites on the Antibacterial Activity of Serum
The Impact of Graphite Oxide Nanocomposites on the Antibacterial Activity of Serum Open
Nanoparticles can interact with the complement system and modulate the inflammatory response. The effect of these interactions on the complement activity strongly depends on physicochemical properties of nanoparticles. The interactions of …
View article: Patterns of Oral Microbiota in Patients with Apical Periodontitis
Patterns of Oral Microbiota in Patients with Apical Periodontitis Open
In this study, microbial diversity of the root canal microbiota related to different endodontic infections was investigated. In total, 45 patients with endo–perio lesions (8 patients), chronic periapical periodontitis (29 patients) and pul…
View article: Composites based on graphite oxide and zirconium phthalocyanines with aromatic amino acids as photoactive materials
Composites based on graphite oxide and zirconium phthalocyanines with aromatic amino acids as photoactive materials Open
This article is a part of a scientific project focused on obtaining a new type of composite materials that are characterized by singlet oxygen generation upon irradiation with red light, which can be used as antibacterial agents. The compo…
View article: Structural and Functional Properties of Fluorinated Silica Hybrid Barrier Layers on Flexible Polymeric Foil
Structural and Functional Properties of Fluorinated Silica Hybrid Barrier Layers on Flexible Polymeric Foil Open
The reported work was focused on sol–gel-derived organically modified and fluorinated silica coatings deposited on elastic polymeric foil. The structure and topography of the coatings were tested by infrared spectroscopy and microscopic st…
View article: Morphotropic Phase Boundary in Sm-Substituted BiFeO3 Ceramics: Local vs Microscopic Approaches
Morphotropic Phase Boundary in Sm-Substituted BiFeO3 Ceramics: Local vs Microscopic Approaches Open
Samarium substituted bismuth ferrite (BiFeO3) ceramics prepared by sol-gel synthesis method were studied using both local scale and microscopic measurement techniques in order to clarify an evolution of the crystal structure of the compoun…
View article: Upconversion Luminescence of Silica–Calcia Nanoparticles Co-doped with Tm3+ and Yb3+ Ions
Upconversion Luminescence of Silica–Calcia Nanoparticles Co-doped with Tm3+ and Yb3+ Ions Open
Looking for upconverting biocompatible nanoparticles, we have prepared by the sol–gel method, silica–calcia glass nanopowders doped with different concentration of Tm3+ and Yb3+ ions (Tm3+ from 0.15 mol% up to 0.5 mol% and Yb3+ from 1 mol%…
View article: Modification of insulin amyloid aggregation by Zr phthalocyanines functionalized with dehydroacetic acid derivatives
Modification of insulin amyloid aggregation by Zr phthalocyanines functionalized with dehydroacetic acid derivatives Open
Amyloid fibrils are widely studied both as target in conformational disorders and as basis for the development of protein-based functional materials. The three Zr phthalocyanines bearing dehydroacetic acid residue ( PcZr(L1) 2 ) and its co…
View article: Enhanced photorefractivity and rare-earth photoluminescence in SnO<sub>2</sub> nanocrystals-based photonic glass-ceramics
Enhanced photorefractivity and rare-earth photoluminescence in SnO<sub>2</sub> nanocrystals-based photonic glass-ceramics Open
This work presents state of the art rare-earth activated SnO 2 nanocrystals - based transparent glass-ceramics. With combined enhancements in both photorefractivity and rare-earth photoluminescence, the glass-ceramic has unique benefits as…