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. 29, 2017
Filed:
Jan. 22, 2009
Applicants:
Peter Matthew Allen, Cambridge, MA (US);
Moungi G. Bawendi, Cambridge, MA (US);
Inventors:
Peter Matthew Allen, Cambridge, MA (US);
Moungi G. Bawendi, Cambridge, MA (US);
Assignee:
MASSACHUSETTS INSTITUTE OF TECHNOLOGY, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/0352 (2006.01); B82Y 30/00 (2011.01); C01B 19/00 (2006.01); C09K 11/56 (2006.01); C09K 11/58 (2006.01); C09K 11/62 (2006.01); C09K 11/88 (2006.01); H01L 31/0749 (2012.01);
U.S. Cl.
CPC ...
H01L 31/03529 (2013.01); B82Y 30/00 (2013.01); C01B 19/002 (2013.01); C09K 11/565 (2013.01); C09K 11/58 (2013.01); C09K 11/584 (2013.01); C09K 11/62 (2013.01); C09K 11/623 (2013.01); C09K 11/88 (2013.01); H01L 31/0749 (2013.01); C01P 2004/52 (2013.01); C01P 2004/64 (2013.01); Y02E 10/541 (2013.01); Y02P 70/521 (2015.11);
Abstract
A semiconductor nanocrystal include a first I-III-VI semiconductor material and have a luminescence quantum yield of at least 10%, at least 20%, or at least 30%. The nanocrystal can be substantially free of toxic elements. Populations of the nanocrystals can have an emission FWHM of no greater than 0.35 eV.