QUANTUM DOT AND METHOD FOR PRODUCING THE SAME

An object is to provide a quantum dot that has a narrow fluorescence half-width and a high fluorescence quantum yield, and emits blue fluorescence. A quantum dot (5) according to the present invention includes at least Zn and Se and does not include Cd, and has a particle diameter of 5 nm or more an...

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Bibliographische Detailangaben
Hauptverfasser:	TAKAMIZUMA, Yuka, OGURA, Yuko, NIKATA, Soichiro, TAKASAKI, Mikihiro
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY COMPOUNDS THEREOF DYES INORGANIC CHEMISTRY MANUFACTURE OR TREATMENT OF NANOSTRUCTURES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NANOTECHNOLOGY NATURAL RESINS NON-METALLIC ELEMENTS PAINTS PERFORMING OPERATIONS POLISHES SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES TRANSPORTING
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Beschreibung
Zusammenfassung:	An object is to provide a quantum dot that has a narrow fluorescence half-width and a high fluorescence quantum yield, and emits blue fluorescence. A quantum dot (5) according to the present invention includes at least Zn and Se and does not include Cd, and has a particle diameter of 5 nm or more and 20 nm or less. In addition, the quantum dot (5) according to the present invention includes at least Zn and Se and does not include Cd, and has a fluorescence quantum yield of 58 or more and a fluorescence half-width of 25 nm or less. In the present invention, the fluorescence lifetime can be made 50 ns or less.