Tiny tubes and rods show promise as catalysts, sunscreen

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Transmission electron micrographs of nanocavity-filled titanium oxide nanorods (bottom) and iron-doped titanate nanotubes (top). Both are being investigated as photocatalysts for reactions to produce hydrogen gas. The improved light-absorption of the ...
Transmission electron micrographs of nanocavity-filled titanium oxide nanorods (bottom) and iron-doped titanate nanotubes (top). Both are being investigated as photocatalysts for reactions to produce hydrogen gas. The improved light-absorption of the nanocavity-filled nanorods also makes them ideal new materials for sunscreen. (Credit: Image courtesy of DOE/Brookhaven National Laboratory)

Scientists at the U.S. Department of Energy's Brookhaven National Laboratory have developed new ways to make or modify nanorods and nanotubes of titanium oxide, a material used in a variety of industrial and medical applications. The methods and new titanium oxide materials may lead to improved catalysts for hydrogen production, more efficient solar cells, and more protective sunscreens.


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