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:
Dec. 31, 2013
Filed:
Mar. 24, 2009
Todd D. Krauss, Penfield, NY (US);
Christopher Evans, Rochester, NY (US);
LI Guo, Rockville, MD (US);
Jeffrey J. Peterson, Rochester, NY (US);
Todd D. Krauss, Penfield, NY (US);
Christopher Evans, Rochester, NY (US);
Li Guo, Rockville, MD (US);
Jeffrey J. Peterson, Rochester, NY (US);
University of Rochester, Rochester, NY (US);
Abstract
Disclosed herein are magic size nanoclusters comprising lead and one or more chalcogens. The disclosed magic size nanoclusters have both spectrally narrow fluorescence and ultra-high quantum efficiencies. Further disclosed herein is a method for preparing PbS, PbSe, and PbTe magic size nanoclusters. The yield of magic size nanoclusters can be increased by using anion sources enriched for secondary phosphines. The use of enriched secondary phosphine anion sources also increases the yield of quantum nanostructures.