公开(公告)号：US20130221291A1

公开(公告)日：2013-08-29

申请号：US13768714

申请日：2013-02-15

Applicant: QD VISION, INC.

Inventor： Dorai RAMPRASAD ,  Craig BREEN ,  Jonathan S. Steckel

IPC: C09K11/88

CPC classification number: H01L33/06 ,  B82Y20/00 ,  B82Y30/00 ,  C09K11/02 ,  C09K11/565 ,  C09K11/883 ,  H01L29/225 ,  H01L33/0029 ,  H01L33/28 ,  Y10S977/774 ,  Y10S977/95 ,  Y10T428/2991 ,  Y10T428/2993

Abstract: A composition comprising a semiconductor nanocrystal including a core comprising a first semiconductor material comprising at least three chemical elements and a shell disposed over at least a portion of the core, the shell comprising a second semiconductor material, wherein the semiconductor nanocrystal is capable of emitting light upon excitation with a photoluminescence quantum efficiency greater than about 65%. Also disclosed is a composition comprising a semiconductor nanocrystal including a core comprising a first semiconductor material comprising at least three chemical elements and a shell disposed over at least a portion of the core, the shell comprising a second semiconductor material comprising at least three chemical elements, wherein the semiconductor nanocrystal is capable of emitting light with a photoluminescence quantum efficiency greater than about 60% upon excitation.

Abstract translation: 一种组合物，其包含半导体纳米晶体，所述半导体纳米晶体包括芯，所述芯包括包含至少三个化学元素的第一半导体材料和设置在所述芯的至少一部分上的壳，所述壳包含第二半导体材料，其中所述半导体纳米晶体能够发光 激发后的光致发光量子效率大于约65％。 还公开了包含半导体纳米晶体的组合物，其包括芯，其包含包含至少三个化学元素的第一半导体材料和设置在芯的至少一部分上的壳，壳包含包含至少三个化学元素的第二半导体材料， 其中所述半导体纳米晶体在激发时能够发射具有大于约60％的光致发光量子效率的光。