IP Library › Granted Patent US 10,975,301
Granted Patent B2
US 10,975,301 · App. 16/780,250 · Granted Apr 13, 2021

Method for synthesizing core shell nanocrystals at high temperatures

Inventor: Shihai Kan (San Jose, CA)
Assignee: Nanosys, Inc.
C09K11/883C30B7/14C30B29/48B82Y20/00B82Y40/00Y10S977/774Y10S977/818Y10S977/824Y10S977/892Y10S977/896Y10S977/95
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Quick Facts
Patent No.
US 10,975,301
App. No.
16/780,250
Granted
Apr 13, 2021
Kind
B2
Abstract

The invention is in the field of nanostructure synthesis. The invention relates to methods for producing nanostructures, particularly Group III-V and Group II-VI semiconductor nanostructures. The invention also relates to high temperature methods of synthesizing nanostructures comprising simultaneous injection of cores and shell precursors.

Claims (5)

1. A population of InP/ZnSe/ZnS nanostructures, wherein at least 75% of the population of nanostructures has a tetrahedral shape.

2. The population of nanostructures of claim 1 , wherein the nanostructures display a photoluminescence quantum yield of between 60% and 99%.

3. The population of nanostructures of claim 1 , wherein at least 85% of the nanostructures have a tetrahedral shape.

4. The population of nanostructures of claim 1 , wherein the population has a full width at half maximum (FWHM) of between 10 nm and 60 nm.

5. The population of nanostructures of claim 1 , wherein the population has a full width at half maximum (FWHM) of between 10 nm and 40 nm.

Assignments (5)
CORRECTIVE ASSIGNMENT TO CORRECT THE ADDRESS OF THE ASSIGNEE TO BE: 2-1-1, NISHI-SHINJUKU SHINJUKU-KU TOKYO, JAPAN 163-0043 PREVIOUSLY RECORDED AT REEL: 065114 FRAME: 0769. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Recorded Oct 9, 2023
From: NANOSYS, INC.
To: SHOEI CHEMICAL INC.
Reel/Frame 065271/0540 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 3, 2023
From: NANOSYS, INC.
To: SHOEI CHEMICAL INC.
Reel/Frame 065114/0769 →
TERMINATION AND RELEASE OF PATENT SECURITY AGREEMENT RECORDED AT REEL 059569 / FRAME 0840 Recorded Sep 7, 2023
From: FORTRESS CREDIT CORP.,
To: NANOSYS, INC.
Reel/Frame 064836/0263 →
SECURITY INTEREST Recorded Apr 1, 2022
From: NANOSYS, INC.
To: FORTRESS CREDIT CORP., AS AGENT
Reel/Frame 059569/0840 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 14, 2021
From: KAN, SHIHAI
To: NANOSYS, INC.
Reel/Frame 054916/0732 →