Photocatalytic methane decomposition over vertically aligned transparent TiO2 nanotube arrays

Abstract

We report here on a study of vertically aligned TiO(2) nanotube arrays grown by the one-step anodic oxidation technique and their photocatalytic performance for methane decomposition. Quantitative activity data as a function of film thickness is obtained.

Novel nitrogen precursors for electrochemically driven doping of titania nanotubes exhibiting enhanced photoactivity

“…7,8 Titania nanotubes exhibit the surface area almost as high as that of a porous TiO 2 film; numerous studies support the use of nanotubular structures suitable for the same applications in which nanoparticles have been typically used. 11 Although pure titanium dioxide shows low activity under visible light resulting from the wide bandgap energy, many efforts have been made to shift the activity towards longer wavelengths in order to expand the compound's applicability under natural solar radiation. 11 Although pure titanium dioxide shows low activity under visible light resulting from the wide bandgap energy, many efforts have been made to shift the activity towards longer wavelengths in order to expand the compound's applicability under natural solar radiation.…”

Efficient photocatalytic oxidation of methane over β-Ga2O3/activated carbon composites

“…Heterogeneous photocatalysis is regarded as an ideal technology for solving the urgent energy and environmental issues, [11][12][13] especially in removing various gaseous pollutants at ambient pressure and temperature. 14,15 Previous studies have also indicated CH 4 molecules can be activated and subsequently oxidized via TiO 2 photocatalytic technology, 16,17 however, the efficiency of CH 4 photo-oxidation remains notoriously low. Adsorption and photoreaction are two successively key steps, which are generally interactional during the heterogeneous photocatalytic process.…”

The Synthesis and Photocatalytic Properties of TiO2 Nanotube Array by Starch‐Modified Anodic Oxidation

“…TiO 2 nanoparticles has been widely applied in the dye‐sensitized solar cells (DSSC), gas sensor bioapplication, optical and photonic, etc., due to its great dielectric effect, photoelectric conversion and superior photocatalytic properties . Particularly, TiO 2 nanoparticles as traditional photocatalyst have been widely used to photocatalytic degrade the complex organic pollutants in the wastewater.…”

“…As such, the photogenerated electron–hole recombination can be greatly reduced, subsequently TiO 2 nanotubes could exhibit good photocatalytic activity . Thus, the great challenge in the preparation of TiO 2 nanotubes is how to control its growth speed , which had great effect on the photocatalytic activity of TiO 2 nanotubes.…”