Method for producing a nanoparticle, nanoparticle, and optoelectronic device
By using colloidal substrate particles to form a controlled III/V compound semiconductor shell on nanoparticles, the method addresses chaotic nucleation issues, resulting in nanoparticles with uniform size and emission properties suitable for optoelectronic applications.
Patent Information
- Application Number
- PCT/EP2025/075631
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-09-30
- Filing Date
- 2025-09-09
- Publication Date
- 2026-04-02
AI Technical Summary
Conventional methods for producing III/V compound semiconductor nanoparticles, such as quantum dots, suffer from chaotic nucleation and growth processes, leading to high size distribution and heterogeneous emission wavelengths, which complicates control over the number and size of nanoparticles, and subsequent shell reactions.
A method involving the use of colloidal substrate particles, different from the III/V compound semiconductor material, to form a controlled shell of III/V compound semiconductor material, avoiding nucleation and ensuring precise control over nanoparticle size and number through a layer-by-layer growth process.
This approach enables the production of nanoparticles with a small size distribution and controlled emission wavelengths, facilitating the creation of optoelectronic components with uniform emission properties.