Title:
CORE-SHELL QUANTUM DOT AND METHOD FOR PRODUCING CORE-SHELL QUANTUM DOT
Document Type and Number:
WIPO Patent Application WO/2022/230481
Kind Code:
A1
Abstract:
The present invention is a core-shell quantum dot that is provided with: a semiconductor nanocrystal core comprising Group II-VI elements comprising Zn and at least one of S, Se, or Te, and a semiconductor nanocrystal shell that coats the semiconductor nanocrystal core and contains a shell layer of a single layer or plurality of layers comprising Group II-VI elements. At least one shell layer is a Mg-containing shell layer. As a result, a core-shell quantum dot is provided that exhibits an improved quantum yield and an improved fluorescence emission efficiency and that has a narrow emission half width. Also provided is a method for producing this core-shell quantum dot.
Inventors:
AOKI SHINJI (JP)
TOBISHIMA KAZUYA (JP)
NOJIMA YOSHIHIRO (JP)
TOBISHIMA KAZUYA (JP)
NOJIMA YOSHIHIRO (JP)
Application Number:
PCT/JP2022/014064
Publication Date:
November 03, 2022
Filing Date:
March 24, 2022
Export Citation:
Assignee:
SHINETSU CHEMICAL CO (JP)
International Classes:
H01L33/50; B82Y20/00; B82Y30/00; B82Y40/00; C01B19/04; C09K11/08; C09K11/56; C09K11/88; G02B5/20
Domestic Patent References:
| WO2014129067A1 | 2014-08-28 |
Foreign References:
| US20200362240A1 | 2020-11-19 | |||
| JP2002053319A | 2002-02-19 | |||
| JP2012509604A | 2012-04-19 |
Attorney, Agent or Firm:
YOSHIMIYA Mikio et al. (JP)
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