Search results for: PHOTOELECTROCHEMICAL PROPERTIES

• Visible light activity and photoelectrochemical properties of nitrogen-doped TiO2.

  Publication

  • S. Sakthivel
  • M. Janczarek
  • H. Kisch

  - Year 2004

  Fotokatalizatory TiO2 domieszkowane azotem zostały zsyntetyzowane z propanolanu tytanu (IV) lub chlorku tytanu (IV) i tiomocznika. Żółte proszki otrzymane po ogrzewaniu w temperaturach 400-600 st.C fotokatalizowały mineralizację 4-chlorofenolu w zakresie światła widzialnego (delta większe lub równe 455nm. W odróżnieniu od uprzednio opublikowanych wyników, zsyntetyzowane fotokatalizatory nie zawierały siarki, lecz zamiast tego azot...

• Photoelectrochemical properties of BIMEVOX (ME=Cu, Zn, Mn) electrodes in contact with aqueous electrolyte

  Publication

  • K. Trzciński
  • A. Borowska-Centkowska
  • M. Sawczak
  • A. Lisowska-Oleksiak

  - SOLID STATE IONICS - Year 2015

  Layered oxide Bi4O2O11 and mixed oxides of bismuth, vanadium and a third metal (ME = Cu, Zn, Mn) were synthesized and characterized using XRD, Raman and SEM. The energy band gap (Eg) of samples determined using UV–VIS reflectance spectra equals to 2.46, 2.34, 2.27 and 2.18 eV for Bi4V2O11, BICUVOX (Bi2V1 − xCuxO5.5 − 3x/2), BIZNVOX (Bi2V1 − xZnxO5.5 − 3x/2) and BIMNVOX (Bi2V1 − xMnxO5.5 − x/2) (x = 0.1), respectively. Open circuit...

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• Scaling Up the Process of Titanium Dioxide Nanotube Synthesis and Its Effect on Photoelectrochemical Properties

  Publication

  • M. Szkoda
  • K. Trzciński
  • Z. Zarach
  • D. Roda
  • M. S. Łapiński
  • A. Nowak

  - Materials - Year 2021

  In this work, for the first time, the influence of scaling up the process of titanium dioxide nanotube (TiO2NT) synthesis on the photoelectrochemical properties of TiO2 nanotubes is presented. Titanium dioxide nanotubes were obtained on substrates of various sizes: 2 × 2, 4 × 4, 5 × 5, 6 × 6, and 8 × 8 cm2. The electrode material was characterized using scanning electron microscopy as well as Raman and UV–vis spectroscopy in order...

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• Annealing Rate as a Crucial Parameter Controlling the Photoelectrochemical Properties of AuCu Mosaic Core–Shell Nanoparticles

  Publication

  • W. Lipińska
  • A. Olejnik
  • J. Karczewski
  • K. Grochowska
  • K. Siuzdak

  - Energy Technology - Year 2023

  Thermal processing is an essential step during the synthesis of various metal nanostructures and for tailoring their morphology, optical, and electrochemical properties. Herein, a profound impact of the annealing rate and time on photoactivity of gold–copper nanostructures by changes in the position and alignment of energy levels and surface states is reported. AuCu nanoparticles (NPs) are fabricated by sputtering of thin metal...

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• Photoelectrochemical characterization of nitrogen-modified TiO2

  Publication

  • M. Janczarek
  • H. Kisch
  • J. Hupka

  - Physicochemical Problems of Mineral Processing - Year 2007

  Trzy próbki tlenku tytanu(IV) o różnej zawartości azotu i różnych właściwościach fotokatalitycznych zostały wybrane do charakterystyki fotoelektrochemicznej. Efektem finalnym jest określenie położenia pasma wzbronionego i pasma przewodzenia w otrzymanych półprzewodnikach.

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• Spectroelectrochemical characterization of euhedral anatase TiO2 crystals – Implications for photoelectrochemical and photocatalytic properties of {001} {100} and {101} facets

  Publication

  • P. Mikrut
  • M. Kobielusz
  • W. Macyk

  - Electrochimica Acta - Year 2019

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• INTERNATIONAL JOURNAL OF FOOD PROPERTIES

  Journals

  ISSN: 1094-2912 , eISSN: 1532-2386

• The optimization of CuxO microwires synthesis for improvement in photoelectrochemical performance

  Publication

  • J. Sowik
  • P. Mazierski
  • T. Klimczuk
  • K. Nikiforow
  • A. Malankowska
  • A. Zaleska-Medynska

  - JOURNAL OF SOLID STATE CHEMISTRY - Year 2023

  One of the most important challenges in the fabrication of CuxO microstructures via the electrochemical method is formation of long, regular and well-packed microwires with good adhesion on the Cu substrate and to achieve better photoelectrochemical properties, which can be potentially applied in solar-driven water splitting and CO2 conversion to light hydrocarbons. In this paper, Cu2O photoelectrode has been fabricated by direct...

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• Enhanced photocatalytic, electrochemical and photoelectrochemical properties of TiO2 nanotubes arrays modified with Cu, AgCu and Bi nanoparticles obtained via radiolytic reduction

  Publication

  • M. Nischk
  • P. Mazierski
  • Z. Wei
  • K. SiuzdaK
  • N. Kouame
  • E. Kowalska
  • H. Remita
  • A. Zaleska-Medynska

  - APPLIED SURFACE SCIENCE - Year 2016

  TiO2 nanotubes arrays (NTs), obtained via electrochemical anodization of Ti foil, were modified with monometallic (Cu, Bi) and bimetallic (AgCu) nanoparticles. Different amounts of metals’ precursors were deposited on the surface of NTs by the spin-coating technique, and the reduction of metals was performed via gamma radiolysis. Surface modification of titania was studied by EDS and XPS analysis. The results show that AgCu nanoparticles...

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• Photoelectrochemical and thermal characterization of aromatic hydrocarbons substituted with a dicyanovinyl unit

  Publication

  • S. Kotowicz
  • D. Sęk
  • S. Kula
  • A. Fabiańczyk
  • J. Małecki
  • P. Gnida
  • S. Maćkowski
  • M. Siwy
  • E. Schab-Balcerzak

  - DYES AND PIGMENTS - Year 2020

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