公开(公告)号：US20210355380A1

公开(公告)日：2021-11-18

申请号：US17238538

申请日：2021-04-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung Jun PARK ,  Junghwa KIM ,  Tae Gon KIM ,  Taekhoon KIM ,  Young Mo SUNG ,  Nayoun WON ,  Dongjin YUN ,  Mi Hye LIM ,  Shin Ae JUN ,  Hyeonsu HEO

IPC: C09K11/56

Abstract: A quantum dot including a semiconductor nanocrystal core including Group III-V compound, a first semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the first semiconductor nanocrystal shell including zinc and selenium, and a second semiconductor nanocrystal shell disposed on the first semiconductor nanocrystal shell, the second semiconductor nanocrystal shell including zinc and sulfur, and a composite/electronic device. The quantum dot does not include cadmium and the first semiconductor nanocrystal shell includes a polyvalent metal dopant at an interface with the second semiconductor nanocrystal shell.

公开(公告)号：US20240271805A1

公开(公告)日：2024-08-15

申请号：US18232452

申请日：2023-08-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyeonsu HEO ,  Jongmin LEE ,  Wooyul KIM ,  Hyun Chul LEE ,  Cheolwoo PARK ,  Gahye SHIN

IPC: F24F8/167 ,  B01D39/20 ,  B01J21/06 ,  B01J23/42 ,  B01J29/40 ,  B01J35/00 ,  B01J35/02 ,  F24F8/108

CPC classification number: F24F8/167 ,  B01D39/2068 ,  B01J21/063 ,  B01J23/42 ,  B01J29/40 ,  B01J35/19 ,  B01J35/39 ,  B01J35/40 ,  F24F8/108 ,  B01D2239/0478 ,  B01D2257/702

Abstract: A composite catalyst filter includes a porous filter substrate, and particles of at least one type of catalyst on a surface of the porous filter substrate. The particles of the catalyst include particles of a photocatalyst, and particles of at least one type of adsorbent and oxidation catalyst.