![Article Image](https://www.freedomsphoenix.com/Uploads/Pix/315-0728210557.jpg)
Three-Dimensional Photonic Crystals Shine
• Katherine Bourzac via TechnologyReview.comIn work that could improve solar cells and LEDs, researchers have, for the first time, made practical working devices out of three-dimensional photonic crystals.
In work that could improve solar cells and LEDs, researchers have, for the first time, made practical working devices out of three-dimensional photonic crystals.