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:
Aug. 14, 2018
Filed:
Jul. 12, 2017
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Bahman Hekmatshoar-Tabari, White Plains, NY (US);
Ali Khakifirooz, Los Altos, CA (US);
Devendra K. Sadana, Pleasantville, NY (US);
Ghavam G. Shahidi, Pound Ridge, NY (US);
Davood Shahrjerdi, Brooklyn, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 31/18 (2006.01); H01L 31/0336 (2006.01); H01L 31/074 (2012.01); H01L 31/0304 (2006.01); H01L 31/072 (2012.01); H01L 31/036 (2006.01); H01L 31/0236 (2006.01); H01L 21/02 (2006.01); H01L 21/265 (2006.01); H01L 31/0216 (2014.01); H01L 31/0224 (2006.01); H01L 31/068 (2012.01);
U.S. Cl.
CPC ...
H01L 31/074 (2013.01); H01L 21/0254 (2013.01); H01L 21/02381 (2013.01); H01L 21/02458 (2013.01); H01L 21/02461 (2013.01); H01L 21/02463 (2013.01); H01L 21/02466 (2013.01); H01L 21/02543 (2013.01); H01L 21/02546 (2013.01); H01L 21/02549 (2013.01); H01L 21/26513 (2013.01); H01L 31/02167 (2013.01); H01L 31/02363 (2013.01); H01L 31/02366 (2013.01); H01L 31/022425 (2013.01); H01L 31/022441 (2013.01); H01L 31/022466 (2013.01); H01L 31/036 (2013.01); H01L 31/0336 (2013.01); H01L 31/03044 (2013.01); H01L 31/03048 (2013.01); H01L 31/072 (2013.01); H01L 31/18 (2013.01); H01L 31/1852 (2013.01); H01L 31/1868 (2013.01); H01L 31/1884 (2013.01); H01L 31/0682 (2013.01); Y02E 10/544 (2013.01);
Abstract
A photovoltaic device including a single junction solar cell provided by an absorption layer of a type IV semiconductor material having a first conductivity, and an emitter layer of a type III-V semiconductor material having a second conductivity, wherein the type III-V semiconductor material has a thickness that is no greater than 50 nm.