Luminescent composite material and preparation method therefor

US12012538B2 · kind B2 · utility

Assignee

• Shanghai Jiao Tong University · CN

Inventors

• Liang Li · Berkeley, US
• Bo Wang · Tuji, CN

Key dates

• Filing date: Dec 26, 2020
• Grant date: Jun 18, 2024
• Expiry date: Oct 25, 2042

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01P2004/80
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A luminescent composite material and a preparation method therefor. The luminescent composite material is prepared by mixing a precursor of a quantum dot and an oxide or a precursor thereof followed by high-temperature calcination. Compared with traditional methods, the method provided herein is a simple and low-cost synthesis process without using solvents, and is suitable for large-scale production. The luminescent composite material has high quantum efficiency, luminous intensity and luminous color purity and good photothermal stability, which can provide basis for theoretical research and applications of the luminescent composite material in high-performance photoluminescence devices, lasers and nonlinear optical devices.