A Three-Dimensional Porous Silicon p-n Diode for Betavoltaics and Photovoltaics

by W. Sun et al. Advanced Materials, 3 May 2005 (online release) A battery with a lifespan measured in decades is in development at the University of Rochester, as scientists demonstrate a new fabrication method that in its roughest form is already 10 times more efficient than current nuclear batteries -- and has the potential to be nearly 200 times more efficient. Read the article