Methods to improve the quantum yield of indium phosphide quantum dots

• Main Authors: Hartlove, Jason, Hotz, Charles, Wang, Chunming, Chow, Yeewah Annie, Tu, Alexander, Jen-La Plante, Ilan, Guo, Wenzhou, Tu, Minghu, Tillman, Jason Travis, Ippen, Christian, Curley, John J, Gong, Ke
• Format: Patent
• Language: English
• Published: 30.07.2024
• Subjects: ADHESIVES; BLASTING; CHEMISTRY; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; DYES; ELECTRICITY; FREQUENCY-CHANGING; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; LIGHTING; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MECHANICAL ENGINEERING; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NANOTECHNOLOGY; NATURAL RESINS; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PAINTS; PERFORMING OPERATIONS; PHYSICS; POLISHES; SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; TRANSPORTING; WEAPONS

This disclosure pertains to the field of nanotechnology. The disclosure provides methods of preparing nanostructures using in situ prepared zinc dioleate and/or a metal halide. 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.