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.

Date of Patent:
Sep. 29, 2015

Filed:

Mar. 05, 2010
Applicants:

Lei Qian, Gainesville, FL (US);

Jihua Yang, Minneapolis, MN (US);

Jiangeng Xue, Gainesville, FL (US);

Paul H. Holloway, Gainesville, FL (US);

Inventors:

Lei Qian, Gainesville, FL (US);

Jihua Yang, Minneapolis, MN (US);

Jiangeng Xue, Gainesville, FL (US);

Paul H. Holloway, Gainesville, FL (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/0224 (2006.01); H01L 51/42 (2006.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
H01L 51/4233 (2013.01); H01L 51/426 (2013.01); H01L 51/4273 (2013.01); H01L 51/0036 (2013.01); H01L 51/0037 (2013.01); H01L 2251/308 (2013.01); Y02E 10/549 (2013.01);
Abstract

A solar cell includes a low work function cathode, an active layer of an organic-inorganic nanoparticle composite, a ZnO nanoparticle layer situated between and physically contacting the cathode and active layers; and a transparent high work function anode that is a bilayer electrode. The inclusion of the ZnO nanoparticle layer results in a solar cell displaying a conversion efficiency increase and reduces the device degradation rate. Embodiments of the invention are directed to novel ZnO nanoparticles that are advantageous for use as the ZnO nanoparticle layers of the novel solar cells and a method to prepare the ZnO nanoparticles.


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