US 11,667,838 B2
Quantum dot material and method for producing quantum dot material
Takafumi Moriyama, Corvallis, OR (US); and Aya Midorikawa, Corvallis, OR (US)
Assigned to SHOEI CHEMICAL, INC., Tokyo (JP)
Appl. No. 16/97,136
Filed by SHOEI CHEMICAL INC., Tokyo (JP)
PCT Filed Apr. 26, 2017, PCT No. PCT/JP2017/016494
§ 371(c)(1), (2) Date Oct. 26, 2018,
PCT Pub. No. WO2017/188300, PCT Pub. Date Nov. 2, 2017.
Claims priority of provisional application 62/327,910, filed on Apr. 26, 2016.
Prior Publication US 2019/0112527 A1, Apr. 18, 2019
Int. Cl. C09K 11/72 (2006.01); C09K 11/88 (2006.01); C09K 11/02 (2006.01); B82Y 30/00 (2011.01); B82Y 20/00 (2011.01); B82Y 40/00 (2011.01); G01N 23/201 (2018.01)
CPC C09K 11/883 (2013.01) [C09K 11/025 (2013.01); B82Y 20/00 (2013.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01); G01N 23/201 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A quantum dot material, comprising:
a plurality of nanoscopic core-shell structures, each nanoscopic core-shell structure including
a nanocrystalline core including phosphorus and indium,
a shell disposed on the nanocrystalline core; and
a modifier comprising at least one of chlorine and bromine, wherein
the modifier is present on a surface of the nanocrystalline core and an exterior surface of the shell, and
the content of chlorine and/or bromine is within a range of 2 to 15 mass % of the quantum dot material.