Effect of reactor materials on the properties of titanium oxide nanotubes

Alon Danon*, Kaustava Bhattacharyya, Baiju K. Vijayan, Junling Lu, Dana J. Sauter, Kimberly A Gray, Peter Stair, Eric Weitz

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

62 Scopus citations

Abstract

Subtleties in the synthesis of materials can have a profound effect on the catalytic and photocatalytic properties of materials. Black TiO 2 nanotubes, demonstrating remarkable solar absorption, were synthesized using a stainless steel reactor. Using UVvis diffuse reflectance spectroscopy, XPS, EDS, ICP, and TEM, the change in electronic absorption of the TiO 2 nanotubes is explained by the discrete introduction of Cr concentrated particles from the stainless steel reactor. The black TiO 2 nanotubes displayed significant solar-driven photocatalytic activity with the photo-oxidation of acetaldehyde under visible light (λ > 450 nm).

Original languageEnglish (US)
Pages (from-to)45-49
Number of pages5
JournalACS Catalysis
Volume2
Issue number1
DOIs
StatePublished - Jan 1 2012

Keywords

  • chromium
  • nanotubes
  • photocatalysis
  • titanium oxide
  • titantia

ASJC Scopus subject areas

  • General Chemistry
  • Catalysis

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