Latest Band gap Stories

2008-09-28 03:00:24

By Shelley, Suzanne ENERGY Scientists at the U.S. Dept. of Energy's National Renewable Energy Laboratory (NREL) have set a world record in solar cell efficiency with a photovoltaic device that converts 40.8% of the light that hits it into electricity. This is the highest confirmed efficiency of any photovoltaic device to date. The so-called inverted metamorphic triple-junction solar cell was designed, fabricated and independently tested at NREL. The 40.8% efficiency was measured under...

2008-07-11 09:00:59

Magnolia Optical Technologies announced that it is collaborating with Dr. Roger Welser of the Kopin Corporation in developing indium nitride (InN)-based quantum dot solar cells for NASA and Defense applications. "The goal of the current program is to develop high performance solar cells that are resistant to extreme conditions while achieving high solar electric power conversion efficiency," said Dr. Welser, Kopin's Director of New Business and Product Development. "The advanced solar cell...

Word of the Day
  • A landsman who is making his first voyage at sea; a novice who enters naval service from rural life.
According to the OED, a grass-comber is also 'a sailor's term for one who has been a farm-labourer.'