A method for producing clusters of metal or metal oxide nanoparticles by surrounding individual nanoparticles made of metal or metal oxide with a solid organic compound and vaporizing the organic compound.
The use of solid saturated fatty acids to coat and vaporize nano-sized metal compound crystals addresses aggregation and impurity issues, enabling stable, pure, and individually separable nanoparticles for diverse industrial uses.
JP7776708B2Active Publication Date: 2025-11-27小林 博
Patent Information
- Application Number
- JP2021132096
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Filing Date
- 2021-08-13
- Publication Date
- 2025-11-27
- Estimated Expiration
- 2041-08-13
Smart Images
Figure 0007776708000001
Abstract
To provide a method for producing an agglomeration of nanoparticles of not only a metal, but also a metal oxide free of impurities using an inexpensive raw material through an extremely simple treatment.SOLUTION: In a method for producing an agglomeration of nanoparticles of a metal oxide, a metal or a metal oxide is subjected to thermal decomposition and crystallization and the crystal is crushed to prepare an agglomeration of nano-sized fine crystals, which are enclosed with a solid organic compound. The fine crystals are then subjected to thermal decomposition to prepare an agglomeration of nanoparticles of a metal or a metal oxide covered with the solid organic compound. Further, the solid organic compound is subjected to thermal melting and then vaporized to prepare an agglomeration of nanoparticles of a metal or a metal oxide.SELECTED DRAWING: Figure 1
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Citation Information
Patent Citations
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