Bicomponent transition metal oxide photoelectrodes

Irina Shiyanovskaya; Maria Hepel

doi:10.1117/12.290205

14 October 1997 Bicomponent transition metal oxide photoelectrodes

Irina Shiyanovskaya, Maria Hepel

Proceedings Volume 3138, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XV; (1997) https://doi.org/10.1117/12.290205
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

A comparative analysis of photoresponse characteristics of single component photoelectrodes of WO₃ and TiO₂ and bicomponent WO₃/TiO₂ photoelectrode was performed for front and back side illumination of the films sensitized by rhodamine B and 3,3'-diethyl-9-methylthiacarbocyanine iodide. A considerable increase in the photocurrent was achieved for the bicomponent photoelectrodes in comparison with the single component photoelectrodes. Increased photocurrent was caused by a decreasing in the surface recombination of the photoinjected electrons due to an efficient removal of the electrons from the conduction band of the TiO₂ nanocrystals into the bulk of the WO₃ matrix-layer.

Citation Download Citation

Irina Shiyanovskaya and Maria Hepel "Bicomponent transition metal oxide photoelectrodes", Proc. SPIE 3138, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion XV, (14 October 1997); https://doi.org/10.1117/12.290205

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