Blue-emitting nanocrystals with cubic shape and fluoride passivation

US11639468B2 · kind B2 · utility

Assignee

• NANOSYS, INC. · US

Inventors

• Benjamin NEWMEYER · San Jose, US
• Christian IPPEN · Sunnyvale, US
• Ruiqing Ma · Morristown, US
• Diego BARRERA · San Jose, US
• Jesse Manders · Mountain View, US

Key dates

• Filing date: Apr 4, 2022
• Grant date: May 2, 2023
• Expiry date: Apr 4, 2042

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K11/612
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

This disclosure pertains to the field of nanotechnology. The disclosure provides methods of preparing nanostructures with fluoride passivation. The disclosure also provides methods of preparing nanostructures with fluoride and amine passivation. The nanostructures have high quantum yield, narrow emission peak width, tunable emission wavelength, and colloidal stability. Also provided are nanostructures prepared using the methods. And, nanostructure films and molded articles comprising the nanostructures are also provided.