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US7060243: Tellurium-containing nanocrystalline materials

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Filing Information

Inventor(s) Moungi G. Bawendi · Frederic V. Mikulec · Sungjee Kim ·
Assignee(s) Massachusetts Institute of Technology ·
Attorney/Agent(s) Steptoe & Johnson LLP ·
Primary Examiner H. Thi Le ·
Application Number US10456592
Filing date 06/09/2003
Issue date 06/13/2006
Prior Publication Data
Predicted expiration date 06/28/2018
Patent term adjustment 227
U.S. Classifications 423/508  · 423/155  · 423/99  ·
International Classifications C01B1900  ·
Kind CodeB2
Related U.S. Application DataCLAIM OF PRIORITY
This application is divisional of, and claims priority to, U.S. patent application Ser. No. 09/625,861, filed on Jul. 26, 2000, now U.S. Pat. No. 6,607,829 which claims priority to U.S. Patent Application Ser. No. 60/145,708, filed on Jul. 26, 1999, and is a continuation-in-part of U.S. patent application Ser. No. 08/969,302, filed Nov. 13, 1997, now U.S. Pat. No. 6,322,901, each of which is hereby incorporated by reference in its entirety.
14 Claims, 18 Drawings


Abstract

Tellurium-containing nanocrystallites are produced by injection of a precursor into a hot coordinating solvent, followed by controlled growth and annealing. Nanocrystallites may include CdTe, ZnTe, MgTe, HgTe, or alloys thereof. The nanocrystallites can photoluminesce with quantum efficiencies as high as 70%.

Independent Claims | See all claims (14)

  1. 1. A method of manufacturing nanocrystallites, comprising injecting into a coordinating solvent an M-containing compound, M being selected from the group consisting of Cd, Zn, Mg, and Hg, and a Te-containing compound of the form wherein one of Z, Z′, and Z″ comprises an amide, to form a mixture; and heating the mixture to grow the nanocrystallites.

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Referenced By

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