nanotech
Quantum Dots Lead to Better Solar Cells
Filed in archive Energy by Michael Anissimov on August 22, 2007
QD_cell.jpg
The addition to quantum dots to solar cells could lead to a tripling in efficiency, boosting from the usual 10% up to 40% or 60% (with concentrators). Silicon nanocrystals (quantum dots) are able to extract two or three electrons for each incoming photon, an unprecedented feat. Although solar is often hailed as a great, environmentally friendly energy source, it has a ways to go before being able to compete with fossil fuels - but efforts like this could make the difference.

Permalink: Quantum Dots Lead to Better Solar Cells
Tags: quantum  dot  2007  solar  cells  quantum+dots  solar+cells  better+solar 
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