Patent ID: 11905447
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  B | IPC B  C  H

Claim 14:
15. The quantum dot of claim 1,
wherein the semiconductor nanocrystal shell comprises a first shell layer disposed on the core and a second shell layer disposed on the first shell layer,
wherein the first shell layer comprises a second semiconductor nanocrystal and the second shell layer comprises a third semiconductor nanocrystal having a composition different from the second semiconductor nanocrystal,
wherein the second semiconductor nanocrystal comprises zinc, selenium, and optionally sulfur, and the third semiconductor nanocrystal comprises zinc and sulfur,
wherein the second semiconductor nanocrystal comprises magnesium, the third semiconductor nanocrystal comprises magnesium, or both the second semiconductor nanocrystal and the third semiconductor nanocrystal comprise magnesium.