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:
Sep. 19, 2017
Filed:
Apr. 06, 2011
Stephen R. Forrest, Ann Arbor, MI (US);
Mark E. Thompson, Anaheim, CA (US);
Guodan Wei, San Jose, CA (US);
Siyi Wang, Los Angeles, CA (US);
Stephen R. Forrest, Ann Arbor, MI (US);
Mark E. Thompson, Anaheim, CA (US);
Guodan Wei, San Jose, CA (US);
Siyi Wang, Los Angeles, CA (US);
University of Southern California, Los Angeles, CA (US);
The Regents of the University of Michigan, Ann Arbor, MI (US);
Abstract
A method of preparing a bulk heterojunction organic photovoltaic cell through combinations of thermal and solvent vapor annealing are described. Bulk heterojunction films may prepared by known methods such as spin coating, and then exposed to one or more vaporized solvents and thermally annealed in an effort to enhance the crystalline nature of the photoactive materials.