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In carrier multiplication (CM), a single photon from sunlight creates two electron-hole pairsDecember 2011Science Highlights

Nanocrystal Solar Cells Squeeze Extra Juice Out of Sunlight

Laboratory measurements of “carrier multiplication” verified in real solar energy photovoltaic devices made of tiny quantum dots. Read More »

Movement and coalescence of catalyst particles in response to aging in fuel cells.December 2011Science Highlights

Fuel Cell Catalysts Caught in the Act of Aging

Researchers have captured the first three-dimensional images of changes in shape, composition, and position of individual catalyst particles during electrochemical cycling. Read More »

Spectroscopic FingerprintingDecember 2011Science Highlights

A New Tool to Probe the Inner Workings of Rechargeable Batteries

A new spectroscopic “fingerprinting” technique has been developed at a DOE user facility to identify chemical degradation products deep inside a working rechargeable battery. Read More »

Doping Co2ZnO4 with nickel (Ni)November 2011Science Highlights

Holes Are a Positive Thing: Designing Conductors for Solar Photovoltaics

Predicted by theory, and confirmed by experiments, novel materials are being discovered to improve photovoltaic efficiency. Read More »

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