electrons

Cutting through noise for better solar cells

U physicists analyzed electrical noise to detect formerly invisible inefficiencies in solar cells and identified the physical processes that caused them. The technique could make future solar cells more efficient.


A wall of blue LED lights.

New perovskite LED emits a circularly polarized glow

LEDs led to the high-definition viewing experience we’ve come to expect from our screens. A new type of LED that utilizes spintronics could take displays to the next level.