Abstract

The subject matter of the invention is a method of preparation of zinc-oxygen-based nanoparticles, in which the organozinc precursor is treated with an oxidizing agent, wherein the organozinc precursor is a compound of the formula (R)n(Zn)m(L)y(X)z, where: R is straight, branched or cyclic C1-C10 alkyl group or straight, branched or cyclic C1-C10 alkenyl group, benzyl group, phenyl group, mesityl group, in which any hydrogen atom may be substituted with fluorine, chlorine, bromine or iodine atom; L is neutral donor organic ligand selected from the group of organic compounds including amine, phosphine, phosphine oxide, sulfoxide, ketone, amide, imine, ether, urea and its organic derivatives, aminosilane or perfluorinated derivatives thereof, or mixtures thereof; X is monoanionic organic ligand derived from the organic compound X-H, where H is a hydrogen atom with acidic properties and the compound X-H is carboxylic acid, amide, amine, imide, alcohol, mono- or diester of phosphoric acid, organic derivatives of phosphinic or phosphonic acid, phenol, mercaptan, hydroxy acid, amino acid, hydroxy amide, amino amide, hydroxy ester, amino ester, hydroxy ketone, amino ketone, urea and its organic derivatives, silanol, aminosilane, mercaptosilane and organic derivatives of alkoxysilane or perfluorinated derivatives thereof, or mixtures thereof; m and n are integers from 1 to 10; y and z are integers from 0 to 10, wherein the oxidizing agent is hydrogen peroxide, peracetic acid or ozone, and the organozinc precursor is treated with the oxidizing agent under an inert gas atmosphere. The subject matter of the invention is a method of preparation of zinc-oxygen-based nanoparticles, in which the organozinc precursor is treated with an oxidizing agent, wherein the organozinc precursor is a compound of the formula (R)n(Zn)m(L)y(X)z, where: R is straight, branched or cyclic C1-C10 alkyl group or straight, branched or cyclic C1-C10 alkenyl group, benzyl group, phenyl group, mesityl group, in which any hydrogen atom may be substituted with fluorine, chlorine, bromine or iodine atom; L is neutral donor organic ligand selected from the group of organic compounds including amine, phosphine, phosphine oxide, sulfoxide, ketone, amide, imine, ether, urea and its organic derivatives, aminosilane or perfluorinated derivatives thereof, or mixtures thereof; X is monoanionic organic ligand derived from the organic compound X-H, where H is a hydrogen atom with acidic properties and the compound X-H is carboxylic acid, amide, amine, imide, alcohol, mono- or diester of phosphoric acid, organic derivatives of phosphinic or phosphonic acid, phenol, mercaptan, hydroxy acid, amino acid, hydroxy amide, amino amide, hydroxy ester, amino ester, hydroxy ketone, amino ketone, urea and its organic derivatives, silanol, aminosilane, mercaptosilane and organic derivatives of alkoxysilane or perfluorinated derivatives thereof, or mixtures thereof; m and n are integers from 1 to 10; y and z are integers from 0 to 10, wherein the oxidizing agent is hydrogen peroxide, peracetic acid or ozone, and the organozinc precursor is treated with the oxidizing agent under an inert gas atmosphere. The invention also relates to zinc peroxide nanoparticles prepared by the above-defined method and their use as antibacterial and bacteriostatic materials, as a component of pyrotechnic compositions, photocatalyst, and single-source inorganic precursors of nanoparticulate forms of zinc oxide (ZnO).

IPC Classes  ?

• C01B 15/047 - Metal peroxides or peroxyhydrates thereofSuperoxidesOzonides of heavy metals
• C01G 9/02 - OxidesHydroxides

Abstract

The subject matter of the invention is a method of preparation of zinc-oxygen-based nanoparticles, in which the organozinc precursor is treated with an oxidizing agent, wherein the organozinc precursor is a compound of the formula (R)n(Zn)m(L)y(X)z, where: R is straight, branched or cyclic C1-C10 alkyl group or straight, branched or cyclic C1-C10 alkenyl group, benzyl group, phenyl group, mesityl group, in which any hydrogen atom may be substituted with fluorine, chlorine, bromine or iodine atom; L is neutral donor organic ligand selected from the group of organic compounds including amine, phosphine, phosphine oxide, sulfoxide, ketone, amide, imine, ether, urea and its organic derivatives, aminosilane or perfluorinated derivatives thereof, or mixtures thereof; X is monoanionic organic ligand derived from the organic compound X-H, where H is a hydrogen atom with acidic properties and the compound X-H is carboxylic acid, amide, amine, imide, alcohol, mono- or diester of phosphoric acid, organic derivatives of phosphinic or phosphonic acid, phenol, mercaptan, hydroxy acid, amino acid, hydroxy amide, amino amide, hydroxy ester, amino ester, hydroxy ketone, amino ketone, urea and its organic derivatives, silanol, aminosilane, mercaptosilane and organic derivatives of alkoxysilane or perfluorinated derivatives thereof, or mixtures thereof; m and n are integers from 1 to 10; y and z are integers from 0 to 10, wherein the oxidizing agent is hydrogen peroxide, peracetic acid or ozone, and the organozinc precursor is treated with the oxidizing agent under an inert gas atmosphere. The invention also relates to zinc peroxide nanoparticles prepared by the above-defined method and their use as antibacterial and bacteriostatic materials, as a component of pyrotechnic compositions, photocatalyst, and single-source inorganic precursors of nanoparticulate forms of zinc oxide (ZnO).

IPC Classes  ?

• C01G 9/02 - OxidesHydroxides
• C01B 15/00 - PeroxidesPeroxyhydratesPeroxyacids or salts thereofSuperoxidesOzonides
• C01B 15/047 - Metal peroxides or peroxyhydrates thereofSuperoxidesOzonides of heavy metals

Abstract

2nmm is used as the organozinc precursor, where R is C1-C5 alkyl, straight or branched, benzyl, phenyl, mesityl, cyclohexyl group, L is low- molecular-weight organic compound containing one Lewis base center of formula (I) or of formula (2) or of formula (3), where R1, R2and R3 are C1-C5 alkyl, straight or branched, phenyl, benzyl, tolyl, mesityl or vinyl group, in which any hydrogen atom may be substituted by fluorine, chlorine, bromine or iodine atom, n is 0, 1 or 2, m is a natural number from 1 to 10. Furthermore, the subject matter of the invention are also zinc oxide nanoparticles obtained by the said method. Moreover, the subject matter of the invention is also the use of the disclosed zinc oxide nanoparticles in sensors or as ETL layers for the construction of solar cells, or as UV filters, or as materials for use in electronics or in catalysis.

IPC Classes  ?

• C01G 9/02 - OxidesHydroxides

Abstract

The subject matter of the invention is a method of preparation of zinc-oxygen-based nanoparticles, in which the organozinc precursor is treated with an oxidizing agent, wherein the organozinc precursor is a compound of the formula (R)n(Zn)m(L)y(X)z, where: R is straight, branched or cyclic C1-C10 alkyl group or straight, branched or cyclic C1-C10 alkenyl group, benzyl group, phenyl group, mesityl group, in which any hydrogen atom may be substituted with fluorine, chlorine, bromine or iodine atom; L is neutral donor organic ligand selected from the group of organic compounds including amine, phosphine, phosphine oxide, sulfoxide, ketone, amide, imine, ether, urea and its organic derivatives, aminosilane or perfluorinated derivatives thereof, or mixtures thereof; X is monoanionic organic ligand derived from the organic compound X-H, where H is a hydrogen atom with acidic properties and the compound X-H is carboxylic acid, amide, amine, imide, alcohol, mono- or diester of phosphoric acid, organic derivatives of phosphinic or phosphonic acid, phenol, mercaptan, hydroxy acid, amino acid, hydroxy amide, amino amide, hydroxy ester, amino ester, hydroxy ketone, amino ketone, urea and its organic derivatives, silanol, aminosilane, mercaptosilane and organic derivatives of alkoxysilane or perfluorinated derivatives thereof, or mixtures thereof; m and n are integers from 1 to 10; y and z are integers from 0 to 10, wherein the oxidizing agent is hydrogen peroxide, peracetic acid or ozone, and the organozinc precursor is treated with the oxidizing agent under an inert gas atmosphere. The invention also relates to zinc peroxide nanoparticles prepared by the above-defined method and their use as antibacterial and bacteriostatic materials, as a component of pyrotechnic compositions, photocatalyst, and single-source inorganic precursors of nanoparticulate forms of zinc oxide (ZnO).

IPC Classes  ?

• A01N 59/16 - Heavy metalsCompounds thereof
• B01J 23/06 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of zinc, cadmium or mercury
• C01B 15/00 - PeroxidesPeroxyhydratesPeroxyacids or salts thereofSuperoxidesOzonides
• C01B 15/047 - Metal peroxides or peroxyhydrates thereofSuperoxidesOzonides of heavy metals
• C01G 9/02 - OxidesHydroxides
• C06B 33/00 - Compositions containing particulate metal, alloy, boron, silicon, selenium or tellurium with at least one oxygen supplying material which is either a metal oxide or a salt, organic or inorganic, capable of yielding a metal oxide

Abstract

The subject matter of the invention is a method of a preparation of zinc oxide nanoparticles, in which the organozinc precursor in an aprotic organic solvent is subjected to an oxidizing agent. A compound of the formula [R2ZnLn]m is used as the organozinc precursor, where R is C1-C5 alkyl, straight or branched, benzyl, phenyl, mesityl, cyclohexyl group, L is low- molecular-weight organic compound containing one Lewis base center of formula (I) or of formula (2) or of formula (3), where R1, R2 and R3 are C1-C5 alkyl, straight or branched, phenyl, benzyl, tolyl, mesityl or vinyl group, in which any hydrogen atom may be substituted by fluorine, chlorine, bromine or iodine atom, n is 0, 1 or 2, m is a natural number from 1 to 10. Furthermore, the subject matter of the invention are also zinc oxide nanoparticles obtained by the said method. Moreover, the subject matter of the invention is also the use of the disclosed zinc oxide nanoparticles in sensors or as ETL layers for the construction of solar cells, or as UV filters, or as materials for use in electronics or in catalysis.

IPC Classes  ?

• B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
• B82Y 40/00 - Manufacture or treatment of nanostructures
• C01G 9/02 - OxidesHydroxides