Blue light emitting semiconductor nanocrystal materials

US8080437B2 · kind B2 · utility

Assignee

• Massachusetts Institute of Technology · US

Inventors

• Jonathan S. Steckel · Saratoga, US
• John P. Zimmer · Cambridge, US
• Seth Coe-Sullivan · Redondo Beach, US
• Nathan E. Stott · Cambridge, US
• Vladimir Bulovic · Lexington, US
• Moungi G. Bawendi · Cambridge, US

Key dates

• Filing date: Jun 27, 2007
• Grant date: Dec 20, 2011
• Expiry date: Oct 19, 2030

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10H20/819
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A semiconductor nanocrystal includes a core including a first semiconductor material and an overcoating including a second semiconductor material. A monodisperse population of the nanocrystals emits blue light over a narrow range of wavelengths with a high quantum efficiency.