Pulsed laser deposition of metal oxide photoelectrodes for solar-driven hydrogen production: fabrication techniques

Coleman X. Kronawitter; Samuel S. Mao

doi:10.1117/12.825180

20 August 2009 Pulsed laser deposition of metal oxide photoelectrodes for solar-driven hydrogen production: fabrication techniques

Coleman X. Kronawitter, Samuel S. Mao

Author Affiliations +

Proceedings Volume 7408, Solar Hydrogen and Nanotechnology IV; 740808 (2009) https://doi.org/10.1117/12.825180
Event: SPIE Solar Energy + Technology, 2009, San Diego, California, United States

Abstract

The use of pulsed laser deposition as a fabrication technique for metal oxide semiconductor photoelectrodes for solar-driven production of hydrogen from aqueous solutions is examined. The physical mechanisms of pulsed laser-material interactions facilitate the deposition of a wide variety of semiconductor materials quickly and controllably. Films prepared by this technique have proven to possess desirable characteristics for many applications, including highly sensitive electronic and optical devices. However, pulsed laser deposition of materials for photoelectrode films is relatively unexplored. Effectively utilizing this technique as a research tool for photoelectrode fabrication involves exploiting the physical phenomena associated with laser-material interactions and the characteristic ablation plume. Through control of process parameters one can engineer and study the composition and structural properties of photoelectrodes simultaneously, which is known to be required for high solar-to-hydrogen conversion efficiencies. Characteristics of photoanodes deposited by pulsed laser deposition are presented when illustrative of the fabrication technique discussed.

Citation Download Citation

Coleman X. Kronawitter and Samuel S. Mao "Pulsed laser deposition of metal oxide photoelectrodes for solar-driven hydrogen production: fabrication techniques", Proc. SPIE 7408, Solar Hydrogen and Nanotechnology IV, 740808 (20 August 2009); https://doi.org/10.1117/12.825180

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