Issue 42, 2014

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

Abstract

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 wide range of wavelengths and angles of incidence (AOI). When tested as a photoanode for PEC water splitting, a greatly improved photoelectrochemical water splitting performance is obtained in comparison to that of TiO2 microspheres due to the improved light harvesting and charge collection efficiency.

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

Supplementary files

Article information

Article type
Communication
Submitted
11 Jul 2014
Accepted
12 Sep 2014
First published
12 Sep 2014

Phys. Chem. Chem. Phys., 2014,16, 22953-22957

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

W. Ren, H. Zhang, D. Kong, B. Liu, Y. Yang and C. Cheng, Phys. Chem. Chem. Phys., 2014, 16, 22953 DOI: 10.1039/C4CP03043E

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