A nanocrystal particle including at least one semiconductor material and at least one halogen element, the nanocrystal particle including: a core comprising a first semiconductor nanocrystal; and a shell surrounding the core and comprising a crystalline or amorphous material, wherein the halogen element is present as being doped therein or as a metal halide.

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.

A nanocrystal particle including at least one semiconductor material and at least one halogen element, the nanocrystal particle including: a core comprising a first semiconductor nanocrystal; and a shell surrounding the core and comprising a crystalline or amorphous material, wherein the halogen element is present as being doped therein or as a metal halide.

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.

A nanocrystal particle including at least one semiconductor material and at least one halogen element, the nanocrystal particle including: a core comprising a first semiconductor nanocrystal; and a shell surrounding the core and comprising a crystalline or amorphous material, wherein the halogen element is present as being doped therein or as a metal halide

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.

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.

Luminescent phosphor systems, methods of preparing luminescent phosphor systems, and articles that include the luminescent phosphor systems are provided herein. In an embodiment, a luminescent phosphor system includes a plurality of separate luminescent phosphor lots. The plurality of luminescent phosphor lots includes a first lot of a first luminescent phosphor compound and a second lot of a second luminescent phosphor compound. The first luminescent phosphor compound of the first lot includes zinc sulfide, copper ions, halogen ions and, optionally, at least one additional metal ion chosen from aluminum, manganese, and/or iron. The second luminescent phosphor compound of the second lot includes zinc sulfide, copper ions, halogen ions, and at least one additional metal ion chosen from aluminum and/or manganese. The first luminescent phosphor compound and the second luminescent phosphor compound have different decay time constants that are distinguishable by an authentication device.

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.

A nanocrystal particle including at least one semiconductor material and at least one halogen element, the nanocrystal particle including: a core comprising a first semiconductor nanocrystal; and a shell surrounding the core and comprising a crystalline or amorphous material, wherein the halogen element is present as being doped therein or as a metal halide