EELS color map of a Pt/Fe catalyst nanoparticle

EELS color map of a Pt/Fe catalyst nanoparticle
Paolo Longo, Ph.D., Gatan, Inc. Sample courtesy of Professor Gianluigi Botton at CCEM, Hamilton, ON, Canada Microscope courtesy of CCEM, Hamilton, ON, Canada Acknowledgement to Dr. M. Bugnet at CCEM for helping set up microscope for experiment.

Pt/Fe nanocatalysts are among the most promising candidates for accelerating oxygen reduction reaction occurring at the cathode in a proton exchange membrane fuel cell.