Electrochemically hydrogenated TiO2 nanotubes with improved photoelectrochemical water splitting performance

Supporting Information Enhanced photoelectrochemical water splitting performance on TiO2 nanotube arrays coated with an ultrathin Nitrogen-doped carbon

Coupled optical absorption, charge carrier separation, and surface electrochemistry in surface disordered/hydrogenated TiO2 for enhanced PEC water splitting reaction.

The central governing factors that influence the efficiency of photoelectrochemical (PEC) water splitting reaction are photon absorption, effective charge-carrier separation, and surface electrochemistry. Attempts to improve one of the three factors may debilitate other factors and we explore such issues in hydrogenated TiO2, wherein a significant increase in optical absorption has not resulted...

Enhanced Photoelectrochemical Behavior of H-TiO2 Nanorods Hydrogenated by Controlled and Local Rapid Thermal Annealing

Recently, colored H-doped TiO2 (H-TiO2) has demonstrated enhanced photoelectrochemical (PEC) performance due to its unique crystalline core-disordered shell nanostructures and consequent enhanced conduction behaviors between the core-shell homo-interfaces. Although various hydrogenation approaches to obtain H-TiO2 have been developed, such as high temperature hydrogen furnace tube annealing, hi...

A three-dimensional hierarchical TiO2 urchin as a photoelectrochemical anode with omnidirectional anti-reflectance properties.

In this communication, we report an innovative electrode design of 3D hierachical TiO2 urchin assembled with a hollow TiO2 spheres core and radial TiO2 nanorod shell prepared via a facile colloid template route combined with atomic layer deposition and a hydrothermal growth process. The periodically hierarchical TiO2 urchin exhibits excellent omnidirectional anti-reflectance properties in a wid...

Supersonic aerosol-deposited TiO2 photoelectrodes for photoelectrochemical solar water splitting

Photoelectrochemical (PEC) water-splitting is a promising approach for economical and environmentally friendly hydrogen production. We report here the preparation of nanocrystalline TiO2 films by aerosol deposition (AD) and their performance as photoelectrodes for PEC water splitting. The AD deposited films, 0.5 to 4 mm in thickness, were analyzed to establish the dependence of water splitting ...