News tagged with negative charges

New technique opens up advanced solar cells

In a photovoltaic cell, light generates opposite charges in the active layer. The charges must then be separated as quickly as possible to keep them from recombining. Positive charges are driven by a built-in electric field ...

dateSep 02, 2016 in Materials Science
shares344 comments 2

What happens when a quantum dot looks in a mirror?

The 2014 chemistry Nobel Prize recognized important microscopy research that enabled greatly improved spatial resolution. This innovation, resulting in nanometer resolution, was made possible by making the source (the emitter) ...

dateMar 19, 2015 in Nanophysics
shares1730 comments 0