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Fabrication and realization of optical near-field induced visible response photocatalytic reaction on nanorod TiO2 for micro fuel cell
Conference paper

Fabrication and realization of optical near-field induced visible response photocatalytic reaction on nanorod TiO2 for micro fuel cell

Thu. H.H. Le, Yuriy Pihosh, Kazuma Mawatari, Kokoro Kitamura, Takashi Yatsui, Tadashi Kawazoe, Makoto Naruse, Motoichi Ohtsu and Takehiko Kitamori
15th International Conference on Miniaturized Systems for Chemistry and Life Sciences 2011, MicroTAS 2011, Vol.1, pp.410-412
2011

Abstract

Micro fuel cell Nanostructures fabrication Optical near-field Photoelectrochemical water splitting Visible-response photocatalysts Control and Systems Engineering
Here we report the fabrication of TiO nanorod by using glancing angle deposition and confirm for the first time the novel way to induce the visible response of TiO in photoelectrochemical water splitting, that is achieved by the utilizing of optical near-field (ONF) generated on nanorod structures. The ONF allows the so-called phonon-assisted excitation process, which excites TiO with sub-bandgap photons via phonon energy, and hence induce the visible response. This study suggest that this kind of nanostructured photocatalyst is promising material for hydrogen production in fuel cell application. Moreover, we believe that the present approach can be applied not only to photocatalyst but also other solar-harvesting materials. Copyright © (2011) by the Chemical and Biological Microsystems Society.

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