Hydrogen from the Sun—Modified TiO2 for Water Splitting: The cover picture shows a schematic of a TiO2-based device for the production of hydrogen through photo-electrochemical water splitting. As described in the Full Paper by Ganesh Kannarpady and Alexandru S. Biris with colleagues at the University of Arkansas at Little Rock on page 412, capping the TiO2 nanotubes with TiSi2 led to as much as a 40 % increase in photocurrent output through improved electron–hole splitting. The RF magnetron sputter-deposition technique employed in this study is scalable and would be compatible with large-scale processing. The implications of these findings could lead to a cleaner, greener way to generate hydrogen for renewable energy applications.
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