The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 10, 2015
Filed:
Feb. 07, 2011
Aaron Barkhouse, Yorktown Heights, NY (US);
Xihua Wang, Toronto, CA;
Edward H. Sargent, Toronto, CA;
Ghada Koleilat, Toronto, CA;
Lukasz Brzozowski, Mississauga, CA;
Aaron Barkhouse, Yorktown Heights, NY (US);
Xihua Wang, Toronto, CA;
Edward H. Sargent, Toronto, CA;
Ghada Koleilat, Toronto, CA;
Lukasz Brzozowski, Mississauga, CA;
The Governing Council of the University of Toronto, Toronto, Ontario, CA;
Abstract
A recombination layer with a gradient work function is provided which increases the power-conversion efficiency of multijunction photovoltaic devices by reducing the energy barrier to charge carriers migrating between pairs of photovoltaic junctions thereby facilitating the optimal recombination of opposing electron and hole currents generated when the photovoltaic is illuminated.