![Article Image](https://www.freedomsphoenix.com/Uploads/Pix/315-0707184315.jpg)
Solar Cells that See Red
• Katherine Bourzac via TechnologyReview.comMetamaterials that convert lower-energy photons to usable wavelengths could offer solar cells an efficiency boost.
Metamaterials that convert lower-energy photons to usable wavelengths could offer solar cells an efficiency boost.