Schaak-nickel-nanoparticles

Schaak-nickel-nanoparticles

dozens of black and gray smudgy circles on a white background

A transmission-electron microscope image of a collection of quasi-spherical nickel phosphide nanoparticles. A team led by Raymond Schaak of Penn State has found that these nanoparticles can catalyze an important chemical reaction that generates hydrogen from water.

Image: Eric Popczun