公开(公告)号：US20210293999A1

公开(公告)日：2021-09-23

申请号：US16897024

申请日：2020-06-09

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Sang Wook HAN ,  Seung Woo JEON ,  Sung Wook MOON ,  Yong Su KIM ,  Hyang Tag LIM ,  Ho Joong JUNG ,  Young Wook CHO

IPC: G02B3/00 ,  C09K11/65

Abstract: An inverted nanocone structure of the present disclosure includes a first surface, a second surface spaced apart from the first surface by a predetermined distance and having a greater area than the first surface, and a body having an inverted cone shape between the first surface and the second surface, wherein at least one activated point defect center is provided in the body.