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News tagged with bandgap

Measurement of 'hot' electrons could have solar energy payoff

(PhysOrg.com) -- Basic scientific curiosity paid off in unexpected ways when Rice University researchers investigating the fundamental physics of nanomaterials discovered a new technology that could dramatically ...

Nanotechnology / Nanophysics

created May 05, 2011 | popularity 5 / 5 (6) | comments 0 | with audio podcast

'Quantum coaxial cable': Device proves solar cell potential of high bandgap inorganic nanowire arrays

A report, published in the March 14 edition of the Journal of Materials Chemistry, announced the successful fabrication and testing of a new type solar cell using an inorganic core/shell nanowire structure.

Nanotechnology / Nanophysics

created Apr 12, 2011 | popularity 4.8 / 5 (4) | comments 6 | with audio podcast

Researchers develop a way to funnel solar energy

(PhysOrg.com) -- Using carbon nanotubes (hollow tubes of carbon atoms), MIT chemical engineers have found a way to concentrate solar energy 100 times more than a regular photovoltaic cell. Such nanotubes could ...

Nanotechnology / Nanomaterials

created Sep 12, 2010 | popularity 4.7 / 5 (32) | comments 15 | with audio podcast

Explained: Bandgap

Why do some materials work well for making solar cells or light-emitting diodes (LEDs), while other materials don't? One key factor is having the right bandgap.

Physics / General Physics

created Jul 23, 2010 | popularity 4.8 / 5 (17) | comments 11 | with audio podcast

Bilayer graphene gets a bandgap

Graphene is the two-dimensional crystalline form of carbon, whose extraordinary electron mobility and other unique features hold great promise for nanoscale electronics and photonics. But there's a catch: ...

Nanotechnology / Nanophysics

created Jun 10, 2009 | popularity 4.7 / 5 (6) | comments 1