New method for solar cells.

New solar cells could lead to improved light-emitting diodes, lasers and sensors.

Mercouri G. Kanatzidis.

EVANSTON, Ill. — A new type of two-dimensional-layered perovskite developed by Northwestern University, Los Alamos National Laboratory and Rice University researchers will open up new horizons for next-generation stable solar-cell devices and new opto-electronic devices such as light-emitting diodes, lasers and sensors.