The U.S. Department of Energy’s Critical Materials Institute has developed a computer program, called ParFit, that can vastly reduce the amount of time spent identifying promising chemical compounds used in rare-earth processing methods. Testing and developing more efficient and environmentally friendly ways of extracting rare-earth metals as speedily as possible is a primary goal of CMI. Rare-earth metals are vital to many modern energy technologies, but high commercial demand and mining challenges have made optimizing our country’s production and use of them of vital importance.
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Scientists at the U.S. Department of Energy’s Ames Laboratory are now able to capture the moment less than one trillionth of a second a particle of light hits a solar cell and becomes energy, and describe the physics of the charge carrier and atom movement for the first time. Using time-resolved low frequency spectroscopy in the terahertz spectral region, the researchers explored the photo-excitations of a new class of photovoltaic materials known as organometal halide perovskites.
AMES, Iowa – Iowa State University and the U.S. Department of Energy’s Ames Laboratory go back 70 years.
It really is a close relationship. The laboratory is located right on the university campus. The doors are open, with people, ideas and expertise moving back and forth. Make a few stops in Spedding, Wilhelm and Gilman halls, plus the Metals Development Building across Pammel Drive, and scientists with a foot in each place can easily count up the benefits.
Mark Gordon, senior scientist at the U.S. Department of Energy’s Ames Laboratory, marked his 75th birthday in January, 2017, and in honor of his many scientific accomplishments and personal interactions throughout his career, the Journal of Physical Chemistry dedicated the April 13, 2017, issue of its publication to him.
Ames Laboratory and Iowa State University scientists develop more efficient catalytic material for fuel cell applications05/09/2017
Scientists at Ames Laboratory have discovered a method for making smaller, more efficient intermetallic nanoparticles for fuel cell applications, and which also use less of the expensive precious metal platinum. The researchers succeeded by overcoming some of the technical challenges presented in the fabrication of the platinum-zinc nanoparticles with an ordered lattice structure, which function best at the small sizes in which the chemically reactive surface area is highest in proportion to the particle volume.