News tagged with solar cells

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Creating simpler, cheaper solar cells

Over the last four years, solar cells made from materials called perovskites have reached efficiencies that other technologies took decades to achieve, but until recently no-one quite knew why.

Nov 13, 2013
4.7 / 5 (19) 1 | with audio podcast

Getting more electricity out of solar cells

(Phys.org) —When sunlight shines on today's solar cells, much of the incoming energy is given off as waste heat rather than electrical current. In a few materials, however, extra energy produces extra electrons—behavior ...

May 07, 2014
4.9 / 5 (23) 1

Engineering team designs 'living materials'

Inspired by natural materials such as bone—a matrix of minerals and other substances, including living cells—MIT engineers have coaxed bacterial cells to produce biofilms that can incorporate nonliving ...

Mar 23, 2014
4.9 / 5 (11) 0

New material for flat semiconductors

Researchers around the world have been working to harness the unusual properties of graphene, a two-dimensional sheet of carbon atoms. But graphene lacks one important characteristic that would make it even ...

Apr 30, 2014
4.9 / 5 (18) 0