Methods of making quantum dots, quantum dots, compositions, thin films, and applications
By forming a ZnTiS shell on the surface of quantum dots, the problem of poor quantum dot stability was solved, and its application performance in fields such as photovoltaic power generation, optoelectronic display and biological probe was improved.
CN122188658APending Publication Date: 2026-06-12GUANGDONG JUHUA RES INST OF ADVANCED DISPLAY
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- GUANGDONG JUHUA RES INST OF ADVANCED DISPLAY
- Filing Date
- 2024-12-12
- Publication Date
- 2026-06-12
AI Technical Summary
Technical Problem
Quantum dots have poor performance stability and are easily affected by environmental conditions, which affects their application in fields such as photovoltaic power generation, optoelectronic displays, and biological probes.
Method used
A ZnTiS shell material was prepared using alkyl dithiocarboxylic acid zinc salts and titanium precursors to passivate the defect states of the quantum dots and improve their stability.
Benefits of technology
Effective passivation of defect states in quantum dots improves their performance stability and enhances their application potential in fields such as photovoltaic power generation, optoelectronic displays, and biological probes.
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Figure CN122188658A_ABST
Abstract
The application discloses a quantum dot preparation method, quantum dots, a composition, a thin film and application. The quantum dot preparation method comprises the following steps: providing a solution containing quantum dot cores; adding an alkyl dithio organic acid zinc salt and a titanium precursor into the solution containing the quantum dot cores, so as to obtain quantum dots with a shell material containing ZnTiS after reaction, and the quantum dots have good performance stability.
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