News tagged with band gap

New alloys key to efficient energy and lighting

A recent advance by Arizona State University researchers in developing nanowires could lead to more efficient photovoltaic cells for generating energy from sunlight, and to better light-emitting diodes (LEDs) that could replace ...

Mar 22, 2010
4 / 5 (6) 0 | with audio podcast

Nanoribbons for graphene transistors

In the recent issue of Nature, European scientists from Empa and the Max Planck Institute for Polymer Research report how they have managed for the first time to grow graphene ribbons that are just a few ...

Jul 21, 2010
4.8 / 5 (14) 0 | with audio podcast

Highlight: Solar - Bridging the gap

(PhysOrg.com) -- Titanium dioxide, the same inexpensive white pigment that protects us from sunburns, can be converted into a material that absorbs sunlight and could greatly increase the efficiency of solar energy cells.

Dec 10, 2009
2 / 5 (2) 0