News tagged with photovoltaic materials

First all-carbon solar cell

(Phys.org)—Stanford University scientists have built the first solar cell made entirely of carbon, a promising alternative to the expensive materials used in photovoltaic devices today.

Oct 31, 2012
3.4 / 5 (14) 13 | with audio podcast

New solar-cell design based on dots and wires

Using exotic particles called quantum dots as the basis for a photovoltaic cell is not a new idea, but attempts to make such devices have not yet achieved sufficiently high efficiency in converting sunlight ...

Mar 25, 2013
5 / 5 (4) 1 | with audio podcast

Researchers use earthworms to create quantum dots

(Phys.org)—British researchers at King's College in London have succeeded in creating quantum dots by feeding earthworms soil laced with certain metals and then collecting the material excreted. They describe ...

Dec 28, 2012 report
4.9 / 5 (12) 4 | with audio podcast

Photovoltaics from any semiconductor

A technology that would enable low-cost, high efficiency solar cells to be made from virtually any semiconductor material has been developed by researchers with the U.S. Department of Energy (DOE)'s Lawrence ...

Jul 26, 2012
4.9 / 5 (17) 16 | with audio podcast