METHOD FOR OBTAINING NANOSCALE OXIDES OF RARE EARTH ELEMENTS USING DIMETHYLFORMAMIDE Russian patent published in 2023 - IPC C01F17/10 C01F17/206 B82B3/00 B82Y40/00 

Abstract RU 2788981 C1

FIELD: nanoscale oxides production.

SUBSTANCE: invention relates to a technology for producing nanoscale oxides of rare earth elements (REE), which have luminescent, catalytic, optical, electrical and magnetic properties. A method for obtaining simple nanosized oxides of rare earth elements (REE) includes dissolving a mixture of REE nitrate (NO3)3⋅6H2O and fuel in distilled water, followed by removal of water, heating the resulting product in an air atmosphere and self-propagating high-temperature synthesis, while dimethylformamide is used as fuel (DMF), and the resulting product in the form of REE(DMF)3(NO3)3 crystals is heated to a temperature of 700-800°C at a rate of 10°C/min.

EFFECT: thermal decomposition of REE(DMF)3(NO3)3 results in nanoparticles with an average size of 30–40 nm and an average degree of agglomeration.

1 cl, 9 dwg, 2 ex

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RU 2 788 981 C1

Authors

Savinkina Elena Vladimirovna

Karavaev Igor Aleksandrovich

Buzanov Grigorii Alekseevich

Petrichko Marina Igorevna

Dates

2023-01-26Published

2022-07-11Filed