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:
Jul. 03, 2012
Filed:
Jun. 08, 2009
William Graham, Yorktown Heights, NY (US);
Supratik Guha, Yorktown Heights, NY (US);
Oki Gunawan, Yorktown Heights, NY (US);
George S. Tulevski, Yorktown Heights, NY (US);
Kejia Wang, Yorktown Heights, NY (US);
Ying Zhang, Yorktown Heights, NY (US);
William Graham, Yorktown Heights, NY (US);
Supratik Guha, Yorktown Heights, NY (US);
Oki Gunawan, Yorktown Heights, NY (US);
George S. Tulevski, Yorktown Heights, NY (US);
Kejia Wang, Yorktown Heights, NY (US);
Ying Zhang, Yorktown Heights, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Techniques for fabricating nanowire/microwire-based solar cells are provided. In one, a method for fabricating a solar cell is provided. The method includes the following steps. A doped substrate is provided. A monolayer of spheres is deposited onto the substrate. The spheres include nanospheres, microspheres or a combination thereof The spheres are trimmed to introduce space between individual spheres in the monolayer. The trimmed spheres are used as a mask to pattern wires in the substrate. The wires include nanowires, microwires or a combination thereof A doped emitter layer is formed on the patterned wires. A top contact electrode is deposited over the emitter layer. A bottom contact electrode is deposited on a side of the substrate opposite the wires.