MIT Solar Concentrator Improves Solar Cell Efficiency and Design Options

Imagine if every window in a skyscraper was a solar concentrator.

MIT Solar Concentrator Innovation: More Bang for your Buck
Solar concentrators do what you might expect, concentrate solar light. Usually they are large mirrors or other devices, but the goal of any solar concentrator is to concentrate the light that falls on a large area to a smaller one. The idea is that the (usually cheap) solar concentrator increases the efficiency of the (usually expensive) solar cell, getting more energy for input of money. Recent advances in this technology have focused around better performance of the solar cell, like the IBM's