Nano Letters

Photovoltaics from any semiconductor

A technology that would enable low-cost, high efficiency solar cells to be made from virtually any semiconductor material has been developed by researchers with the U.S. Department of Energy (DOE)'s Lawrence ...

Jul 26, 2012
4.9 / 5 (17) 16 | with audio podcast

Electrified graphene a shutter for light

(Phys.org) -- An applied electric voltage can prompt a centimeter-square slice of graphene to change and control the transmission of electromagnetic radiation with wavelengths from the terahertz to the midinfrared.

Jun 15, 2012
5 / 5 (4) 1 | with audio podcast

Graphene multiplies the power of light

Could graphene turn light to electricity? Scientists have shown that graphene can convert a single photon into multiple electrons, showing much promise for future photovoltaic devices.

Jan 19, 2015
4.6 / 5 (16) 16

Breakthrough for carbon nanotube solar cells

Lighter, more flexible, and cheaper than conventional solar-cell materials, carbon nanotubes (CNTs) have long shown promise for photovoltaics. But research stalled when CNTs proved to be inefficient, converting ...

Sep 03, 2014
4.5 / 5 (40) 2