Nanocrystal doped matrixes

Parce, J Wallace; Bernatis, Paul; Dubrow, Robert; Freeman, William P; Gamoras, Joel; Kan, Shihai; Meisel, Andreas; Qian, Baixin; Whiteford, Jeffery A; Ziebarth, Jonathan

Title: Nanocrystal doped matrixes

Patent · Tue Jan 12 00:00:00 EST 2010

OSTI ID:1014076

Parce, J Wallace ^[1]; Bernatis, Paul ^[2]; Dubrow, Robert ^[3]; Freeman, William P ^[4]; Gamoras, Joel ^[5]; Kan, Shihai ^[6]; Meisel, Andreas ^[7]; Qian, Baixin ^[2]; Whiteford, Jeffery A ^[8]; Ziebarth, Jonathan ^[1]

Palo Alto, CA
Sunnyvale, CA
San Carlos, CA
San Mateo, CA
Vallejo, CA
San Jose, CA
Redwood City, CA
Belmont, CA

Matrixes doped with semiconductor nanocrystals are provided. In certain embodiments, the semiconductor nanocrystals have a size and composition such that they absorb or emit light at particular wavelengths. The nanocrystals can comprise ligands that allow for mixing with various matrix materials, including polymers, such that a minimal portion of light is scattered by the matrixes. The matrixes of the present invention can also be utilized in refractive index matching applications. In other embodiments, semiconductor nanocrystals are embedded within matrixes to form a nanocrystal density gradient, thereby creating an effective refractive index gradient. The matrixes of the present invention can also be used as filters and antireflective coatings on optical devices and as down-converting layers. Processes for producing matrixes comprising semiconductor nanocrystals are also provided. Nanostructures having high quantum efficiency, small size, and/or a narrow size distribution are also described, as are methods of producing indium phosphide nanostructures and core-shell nanostructures with Group II-VI shells.

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Research Organization:: Nanosys, Inc. (Palo Alto, CA)

Sponsoring Organization:: USDOE

DOE Contract Number:: FG02-04ER84020

Assignee:: Nanosys, Inc. (Palo Alto, CA)

Patent Number(s):: 7,645,397

Application Number:: US Patent Application 11/492,717

OSTI ID:: 1014076

Country of Publication:: United States

Language:: English

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