Au-TiO<sub>2</sub> Nanocomposites and Efficient Photocatalytic Hydrogen Production under UV-Visible and Visible Light Illuminations: A Comparison of Different Crystalline Forms of TiO<sub>2</sub>

<table>Elementary steps showing photocatalytic water splitting under UV-visible illumination using Au/TiO<sub>2</sub> nanocomposites: step 1 is electron transfer from the CB of photoexcited TiO<sub>2</sub> to the Au Fermi level, and step 2 is the Au Fermi level shift to negative potential by gathering photoexcited electrons from TiO<sub>2</sub> and water reduction.</table>

International Journal of Photoenergy

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Scheme 1: Au-TiO<sub>2</sub> Nanocomposites and Efficient Photocatalytic Hydrogen Production under UV-Visible and Visible Light Illuminations: A Comparison of Different Crystalline Forms of TiO<sub>2</sub> 

Scheme 1 | Au-TiO2 Nanocomposites and Efficient Photocatalytic Hydrogen Production under UV-Visible and Visible Light Illuminations: A Comparison of Different Crystalline Forms of TiO2 