Semiconductor nanocrystal particle, method for preparing same, and device including same

A quantum dot including a core that includes a first semiconductor nanocrystal including zinc and selenium, and optionally sulfur and/or tellurium, and a shell that includes a second semiconductor nanocrystal including zinc, and at least one of sulfur or selenium is disclosed. The quantum dot has an...

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Bibliographic Details
Main Authors Kim, Sung Woo, Jang, Hyo Sook, Park, Kun Su, Kim, Tae Hyung, Jang, Eun Joo, Kim, Jin A, Won, Yuho, Lee, Jeong Hee, Han, Yong Seok
Format Patent
LanguageEnglish
Published 19.03.2024
Subjects
ADHESIVES
BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOUNDS THEREOF
DYES
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
INORGANIC CHEMISTRY
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-METALLIC ELEMENTS
PAINTS
POLISHES
SEMICONDUCTOR DEVICES
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Summary:A quantum dot including a core that includes a first semiconductor nanocrystal including zinc and selenium, and optionally sulfur and/or tellurium, and a shell that includes a second semiconductor nanocrystal including zinc, and at least one of sulfur or selenium is disclosed. The quantum dot has an average particle diameter of greater than or equal to about 13 nm, an emission peak wavelength in a range of about 440 nm to about 470 nm, and a full width at half maximum (FWHM) of an emission wavelength of less than about 25 nm. A method for preparing the quantum dot, a quantum dot-polymer composite including the quantum dot, and an electronic device including the quantum dot is also disclosed.
Bibliography:Application Number: US202218065910