Solvothermal synthesis of metal alkanoate and metal oxide nanoparticles
| DWPI Title: Solvothermal synthesis of metal alkanoate nanoparticles used in e.g. nanoreactor, involves mixing aqueous metal precursor solution with alkanoate solution, heating mixed solution to reaction temperature and dispersing metal alkanoate precipitate to produce metal alkanoate nanoparticles |
| Abstract: A facile solvothermal method can be used to synthesize metal alkanoate nanoparticles using a metal nitrate precursor, alcohol/water, and alkanoic acid. The method can produce lanthanide (e.g., La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, or Yb) and transition metal (e.g., Ag, Co, Cu, or Pb) alkanoate nanoparticles (<100 nm) with spherical morphology. These hybrid nanomaterials adopt a lamellar structure consisting of inorganic metal cation layers separated by an alkanoate anion bilayer and exhibit liquid crystalline phases during melting. The metal alkanoate nanoparticles can be calcined to produce metal oxide nanoparticles. |
| Use: Solvothermal synthesis of metal alkanoate nanoparticles used in nanoreactors, polymer stabilizers, heterogeneous catalysts, photosensitizers, organic LEDs, paints and fuels. |
| Advantage: The method produces high quality nanoparticles in high yield while minimizing the safety risks and eliminating the influence of parasitic variables associated with known heating techniques, and uses economical, environmentally-friendly reagents. The process can be easily scaled to produce multi-gram quantities. |
| Novelty: Solvothermal synthesis of metal alkanoate nanoparticles involves dissolving a metal nitrate precursor in water to produce an aqueous precursor solution, dissolving an alkanoic acid in an alcohol to produce an alkanoate solution, mixing the aqueous metal precursor solution with the alkanoate solution to produce a mixed solution, heating the mixed solution to a reaction temperature to form a metal alkanoate precipitate, and dispersing the metal alkanoate precipitate to produce metal alkanoate nanoparticles. |
| Filed: 5/10/2021 |
| Application Number: US17315497A |
| Tech ID: SD 15132.1 |
| This invention was made with Government support under Contract No. DE-NA0003525 awarded by the United States Department of Energy/National Nuclear Security Administration. The Government has certain rights in the invention. |
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