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Photovoltaic solar cell

United States Patent

8,728,857
May 20, 2014
View the Complete Patent at the US Patent & Trademark Office
Microsystems Enabled Photovoltaics (MEPV)
A photovoltaic solar cell for generating electricity from sunlight is disclosed. The photovoltaic solar cell comprises a plurality of spaced-apart point contact junctions formed in a semiconductor body to receive the sunlight and generate the electricity therefrom, the plurality of spaced-apart point contact junctions having a first plurality of regions having a first doping type and a second plurality of regions having a second doping type. In addition, the photovoltaic solar cell comprises a first electrical contact electrically connected to each of the first plurality of regions and a second electrical contact electrically connected to each of the second plurality of regions, as well as a passivation layer covering major surfaces and sidewalls of the photovoltaic solar cell.
Nielson; Gregory N. (Albuquerque, NM), Cruz-Campa; Jose Luis (Albuquerque, NM), Okandan; Murat (Edgewood, NM), Resnick; Paul J. (Albuquerque, NM)
Sandia Corporation (Albuquerque, NM)
14/ 089,011
November 25, 2013
GOVERNMENT RIGHTS This invention was made with Government support under Contract No. DE-AC04-94AL85000 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.