Characterization and photocatalytic activity of Ti/Ti_nO_m∙ Zr_xO_ycoatings for azo-dye degradation

• Autorzy: Nickolay Sakhnenko , Marina Ved , Victoria Bykanova , Kostiantyn Nikiforow
• Języki publikacji: EN

Abstrakty

EN

Anodic oxidation of VT1-0 titanium and E-125 zirconium alloy in aqueous electrolyte solutions based on H2SO4 and K4P2O7 was used to obtain oxide coatings composed of Zr/ZrO2, Ti/TiO2, and mixed oxide systems Ti/TinOm ∙ ZrxOy. It was shown that, depending on the electrolyte рН, the films contained from 0.17 to 2.1% wt. of zirconium. The catalytic activity of the synthesized coatings in the oxidation reaction of the methyl orange azo dye under UV irradiation was established. The process rate constants and synergy factors for the mixed systems were calculated.

Słowa kluczowe

EN

Ti/TinOm ∙ ZrxOy coatings; Electrochemicalanodization; Photocatalyst activity; Azo dyes; Methylorange

• Czasopismo: Open Chemistry
• Rocznik: 2015
• Tom: 13
• Numer: 1

Daty

otrzymano

2014-05-29

zaakceptowano

2014-09-29

online

2014-12-30

Twórcy

autor

Nickolay Sakhnenko

• Department of
  Physical Chemistry, The National Technical University of Ukraine,
  “Kharkov Polytechnic Institute”, Kharkov 61002, Ukraine

autor

Marina Ved

• Department of
  Physical Chemistry, The National Technical University of Ukraine,
  “Kharkov Polytechnic Institute”, Kharkov 61002, Ukraine

autor

Victoria Bykanova

• Department of
  Physical Chemistry, The National Technical University of Ukraine,
  “Kharkov Polytechnic Institute”, Kharkov 61002, Ukraine

autor

Kostiantyn Nikiforow

• Department of Soft Condensed Matter and
  Fluids, Institute of Physical Chemistry Polish Academy of Sciences,
  Warsaw 02-224, Poland

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Identyfikatory

DOI

10.1515/chem-2015-0078