A5029837153- Advanced Photocatalysis Techniques
- TiO2 Photocatalysis and Solar Cells
- Catalytic Processes in Materials Science
- Advanced Nanomaterials in Catalysis
- Graphene and Nanomaterials Applications
- Graphene research and applications
- Gas Sensing Nanomaterials and Sensors
- Carbon Dioxide Capture Technologies
- Copper-based nanomaterials and applications
- Ammonia Synthesis and Nitrogen Reduction
- Nanoparticles: synthesis and applications
- Supercapacitor Materials and Fabrication
- Pigment Synthesis and Properties
- Nanomaterials for catalytic reactions
- Advancements in Battery Materials
- Chemical Looping and Thermochemical Processes
- CO2 Reduction Techniques and Catalysts
- Polymer Nanocomposite Synthesis and Irradiation
- Catalysis and Hydrodesulfurization Studies
- Advanced oxidation water treatment
- Catalysis and Oxidation Reactions
- Phase Equilibria and Thermodynamics
- Multiferroics and related materials
- Zeolite Catalysis and Synthesis
- Covalent Organic Framework Applications
West Pomeranian University of Technology
2015-2024
The paper presents a modification of titanium dioxide with fumed silica. SiO2/TiO2 photocatalysts were obtained by the sol-gel method and then calcined under an argon atmosphere. Various SiO2 weights (2–17.2 wt.%) used in materials’ preparation stage. samples characterized using advanced analytical methods, such as FT-IR/DRS infrared spectroscopy, X-ray diffraction, SEM scanning electron microscopy, UV-Vis/DRS spectroscopy. BET specific surface area zeta potential also measured. Based on...
In this study, we explored the photocatalytic efficacy of Ti3+-doped TiO2-based photocatalysts for CO2 reduction. The Ti3+ self-doped were synthesized using a straightforward chemical reduction with sodium borohydride (NaBH4). Our investigation aimed to elucidate intricate interplay between synthesis process and quantity NaBH4 reductant on physical-chemical attributes defective photocatalysts. We three different commercially available TiO2 materials labeled P25, (S)TiO2, KRONOClean7050,...
In this paper, titanium dioxide modification with 3-aminopropyltriethoxysilane as a silicon source is presented. The TiO2/APTES photocatalysts were obtained utilizing solvothermal method. Different concentrations of APTES dissolved in ethanol used for materials preparation (10−3000 mM). samples characterized by different analytical methods such FT-IR/DRS, UV–vis/DRS, XRD, SEM. carbon and nitrogen content to confirm, well the BET specific surface area, also measured. analysis confirmed...
Series of AgNPs/TiO2-loaded carbon fiber cloth (CFC) composites were prepared by incorporation pristine TiO2 and three AgNPs-modified additives onto the surface four commercial CFCs. AgNPs/TiO2 photocatalysts synthesized wet impregnation method, including NaBH4 reduction silver ions. The content in modified photocatalyst was assessed inductively coupled plasma optical emission spectrometry (ICP‐OES) as well XRD analysis. It can be indicated that successfully reduced to Ag nanoparticles what...
This paper presents the effect of fumed silica modification and calcination temperature on physicochemical properties photocatalysts their activity under UV-VIS VIS light range. The materials were obtained by hydrolysis titanium tetraisopropoxide (TTIP) combined with a step. nanomaterials characterized using analytical methods such as X-ray diffraction XRD, FT-IR/DRS infrared spectroscopy, UV-Vis/DRS spectroscopy SEM scanning electron microscopy. BET specific surface area zeta potential also...
This work investigated for the first time role of adsorption in photocatalytic degradation methylene blue and Orange II dyes presence 3-aminopropyltriethoxysilane (APTES)-modified TiO2 nanomaterials. It has been demonstrated that decrease a detrimental effect on activity. APTES/TiO2 photocatalysts were successfully prepared by solvothermal modification pressure autoclave, followed heat treatment an inert gas atmosphere at temperature range from 300 °C to 900 °C. was observed...
A visible-light photocatalytic performance of 3-aminopropyltriethoxysilane (APTES)-modified TiO2 nanomaterials obtained by solvothermal modification under elevated pressure, followed calcination in an argon atmosphere at 800-1000 °C, is presented for the first time. The presence silicon and carbon APTES/TiO2 photocatalysts contributed to effective delay anatase-to-rutile phase transformation growth crystallites size both polymorphous forms during heating. Thus, calcined APTES-modified...
The ammonia synthesis from nitrogen and hydrogen derived water vapor in the photocatalytic process performed under mild conditions is presented. A new solution of a gas-phase reactor with bed form UV transparent glass fiber cloth coated AEROXIDE® P25 TiO2 was applied. located just above surface. gases circulate towards surface, where produced easily absorbed continuously separated gas phase, shifting equilibrium product. highest amount (about 1.3 mmol NH4+/g after 6 h) obtained at 20 °C, use...
In this study a simple method of preparation UV-vis light-active TiO2 photocatalysts is presented. The new were obtained by thermal modification the anatase powder (Police, Poland) with cyclohexane. materials investigated means UV-vis/DR, FTIR/DRS, XRD. BET specific surface area and carbon content was also measured. Furthermore, photocatalytic activity under irradiation high UV light intensity during phenol degradation. TiO2/C show higher in comparison TiO2-starting commercial KRONOClean...
In this study, a series of TiO2/rGO photocatalysts were obtained with two-step procedure: solvothermal method and calcination at 300–900 °C in an argon atmosphere. It was noted that the presence rGO had important role changes crystallite size specific surface area. samples, different functional groups, such as C−Cgraph, C−Caliph, C−OH, C=O, CO(O), found. observed modification suppressed anatase-to-rutile phase transformation. The photocatalytic activity nanomaterials investigated through...
This paper examines the synthesis of ZnO/carbon spheres composites using resorcinol—formaldehyde resin as a carbon source and zinc nitrate oxide in solvothermal reactor heated with microwaves. The influence activation potassium oxalate modification on physicochemical properties obtained materials CO2 adsorption capacity was investigated. It found that case nonactivated material well activated materials, presence matrix had no effect or slightly increased values capacity. Only for where...
A simple method of preparation artificial solar light-active TiO2 photocatalysts is presented. The new TiO2/C samples were obtained by thermal treatment (150, 250, 350 and 450 °C) industrial titanium dioxide (TiO2-starting) in the presence naphthalene vapours. nanomaterials investigated means UV-vis/DR, Fourier transform infrared spectroscopy/diffuse reflectance X-ray powder diffraction methods. Brunauer–Emmett–Teller (BET) specific surface area carbon content also measured. photocatalytic...