Process for preparing anisotropic metal nanoparticles and agent for controlling growth thereof
The present invention relates to a process for preparing anisotropic metal nanoparticles comprising the step of reducing the transition metal cation of a salt to oxidation state zero in the presence of a solvent and a polyalkyleneimine or a copolymer where one of the copolymer units is selected from...
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| Hauptverfasser: | , |
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | The present invention relates to a process for preparing anisotropic metal nanoparticles comprising the step of reducing the transition metal cation of a salt to oxidation state zero in the presence of a solvent and a polyalkyleneimine or a copolymer where one of the copolymer units is selected from a polyalkyleneimine, wherein the alkyleneimine to metal cation molar ratio is above 10. It also relates to the anisotropic metal nanoparticles obtained by said process and to the use of the polyalkyleneimine or copolymer thereof for preparing anisotropic metal nanoparticles. |
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