Yvonne Carts-Powell

Better Solar Via Photonic Crystals

In Science, technology, writing on December 16, 2011 at 1:08 pm

If researchers can trap heat inside a small device, then thermophotovoltaic cells can generate electricity without requiring that sunlight be concentrated. This means that the devices can be smaller and simpler — and because thermophotovoltaic cells aren’t bound by the same efficiency limits as photovoltaic cells, they could also be more efficient.

The new devices have a calculated overall system energy conversion efficiency of 37 percent. The MIT researchers are working on building devices to see whether they can achieve double-digit efficiencies.

Better Solar Via Photonic Crystals.


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