TiO2 nanotubes and its composites: Photocatalytic and other photo-driven applications

Vaidyanathan Ravi Subramanian, Swagatom Sarker, Bowen Yu, Archana Kar, Xiaodi Sun, Sandwip Dey

Research output: Contribution to journalReview articlepeer-review

29 Scopus citations


This article describes the multifunctional applications of TiO2. It substantiates the universality of the anodization process to grow well-ordered TiO xnanotube (T-NT) of hollow cylindrical shape on a variety of planar and nonplanar substrates. It highlights an approach to effectively bring down the cost of anodization via utilization of a small volume of electrolyte. The multifunctionality of these nanostructures is highlighted through representative examples that illustrate wide ranging optical, electronic, and catalytic properties. Combining the T-NT with other materials such as metals and photoactive additives to form composite nanostructures has been shown to benefit photocatalysis, photovoltaics, biological processes, and environment-related applications. This article also demonstrates the applicability of T-NT as an agent to produce dissolved oxygen in simulated blood - an application that can assist in the development of artificial lungs. Key results from the research group, collaborations, and recent articles are highlighted.

Original languageEnglish (US)
Pages (from-to)280-293
Number of pages14
JournalJournal of Materials Research
Issue number3
StatePublished - Feb 14 2013


  • Electrochemical synthesis
  • Energetic material
  • Nanostructure

ASJC Scopus subject areas

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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