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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.:

US 11566173 B1

PDFFull Text
Date of Patent:
Jan. 31, 2023

Filed:

Mar. 18, 2019

Direct-gap group iv alloy nanocrystals with composition-tunable energy gaps and near-infrared photoluminescence

Applicant:

Virginia Commonwealth University, Richmond, VA (US);

Inventors:

Indika U. Arachchige, Henrico, VA (US);

Umit Ozgur, Richmond, VA (US);

Denis O. Demchenko, Richmond, VA (US);

Venkatesham Tallapally, Richmond, VA (US);

Tanner A. Nakagawara, Richmond, VA (US);

Assignee:

Virginia Commonwealth University, Richmond, VA (US);

Attorney:

WCF IP

Primary Examiner:

Andrew J Golden

Int. Cl.
CPC ...
C09K 11/66 (2006.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01); H01L 51/42 (2006.01); H01L 51/44 (2006.01);
U.S. Cl.
CPC ...
C09K 11/66 (2013.01); H01L 51/426 (2013.01); H01L 51/442 (2013.01); H01L 51/447 (2013.01); B82Y 20/00 (2013.01); B82Y 40/00 (2013.01);
Abstract

Colloidal synthesis of narrowly disperse, near IR emitting Group IV alloy quantum dots with wide range of Sn compositions via reduction of precursor halides is provided, allowing for less-toxic, earth abundant, and silicon-compatible Group IV alloy quantum dots for application in a broad range of electronic and photonic technologies.

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Arachchige, Indika. (2023). Direct-gap group iv alloy nanocrystals with composition-tunable energy gaps and near-infrared photoluminescence (U.S. Patent No. 11566173). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11566173

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