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wszystkich: 5

Rok 2017

Enhanced photocatalytic properties of lanthanide-TiO2 nanotubes: An experimental and theoretical study
Publikacja
- P. Mazierski
- W. Lisowski
- T. Grzyb
- M. J. Winiarski
- T. Klimczuk
- A. Mikołajczyk
- J. Flisikowski
- A. Hirsch
- A. Kołakowska
- T. Puzyn... i 2 innych
- APPLIED CATALYSIS B-ENVIRONMENTAL - Rok 2017
A series of Er-, Yb-, Ho-, Tb-, Gd-, Pr-TiO2 nanotubes (RE-NTs) was prepared via an electrochemical method. The as-prepared photocatalysts were characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), UV–vis absorption, scanning electron microscopy (SEM) and luminescent spectroscopy. The experiments demonstrated that toluene in the gas phase was successfully degraded under visible light (LEDs λmax = 465...

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Rok 2016

Photocatalytic activity of nitrogen doped TiO2 nanotubes prepared by anodic oxidation: The effect of applied voltage, anodization time and amount of nitrogen dopant
Publikacja
- P. Mazierski
- M. Nischk
- M. Gołkowska
- W. Lisowski
- M. Gazda
- M. J. Winiarski
- T. Klimczuk
- A. Zaleska-Medynska
- APPLIED CATALYSIS B-ENVIRONMENTAL - Rok 2016
Nitrogen doped TiO2 nanotube arrays were prepared by anodizing Ti foils in an organic electrolyte containing specified amounts of urea as nitrogen precursor. The photocatalytic activity of the samples was evaluated by analyzing the degradation kinetics of phenol in water. The influence of tubes’ length, tubes’ surface morphology and amount of nitrogen in the TiO2 lattice on hydroxyl radical formation efficiency, photocatalytic...

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Rok 2015

KTaO3-based nanocomposites for air treatment
Publikacja
- M. Martyna
- B. Bajorowicz
- P. Mazierski
- A. Malankowska
- T. Klimczuk
- M. J. Winiarski
- N. Fijałkowska
- A. Zaleska-Medynska
- CATALYSIS TODAY - Rok 2015
A series of single semiconductors and their nanocomposites combination (such as KTaO3 + CdSe + SrTiO3; KTaO3 + CdS +WO3; KTaO3 + CdS + MoS2) were prepared using hydrothermal route. Photocatalytic activity of as-prepared nanocomposites was estimated by photocatalytic degradation of toluene in the gas phase using light-emitting diodes (LEDs, 375 nm) in four subsequent cycles. The nanocomposites were characterized by scanning electron...

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Rok 2014

KTaO3-based nanocomposites for air treatment
Publikacja
- Rok 2014
The advantage is that photocatalytic methods allow removing VOCs, NOx, SO2, deodorants, and microorganisms at the same system. The new third generation of photoactive materials activated by low powered and low cost irradiation sources (such as LEDs or black fluorescent UV lamps) can be used as photocatalysts in air purification systems. A series of single semiconductors and their nanocomposites combination were prepared using hydrothermal...
Ordered TiO2 nanotubes: the effect of preparation parameters on the photocatalytic activity in air purification process
Publikacja
- APPLIED CATALYSIS B-ENVIRONMENTAL - Rok 2014
Vertically ordered TiO2 nanotube arrays were synthesized by anodic oxidation of titanium foil in glycerol, ethylene glycol and water-based electrolytes. The effect of electrolyte composition, anodization voltage, ultrasonic treatment and calcination time on the morphology of the resulting thin films, as well as on their photocatalytic activity in toluene removal, used as a model volatile organic compound, was investigated. Toluene,...

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