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Method of reliable particle size control for preparing aqueous suspension of precious metal nanoparticles and the precious metal nanoparticle suspension prepared by the method thereof
Method of reliable particle size control for preparing aqueous suspension of precious metal nanoparticles and the precious metal nanoparticle suspension prepared by the method thereof
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机译:用于制备贵金属纳米颗粒的水悬浮液的可靠粒度控制方法以及通过该方法制备的贵金属纳米颗粒悬浮液
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摘要
Disclosed is a method for making a colloidal suspension of precious metal nanoparticles. The method comprises providing a target material comprising a precious metal in a liquid dispersion medium in an ablation container. The dispersion medium has an electrical conductivity within a predetermined conductivity range. Laser pulses are used to generate the nanoparticles from the target in the container. While generating the nanoparticles the electrical conductivity of the dispersion medium is monitored and maintained within the predetermined range and thereby the generated nanoparticles are produced within a predetermined size range. The generated nanoparticles are used to form a colloidal suspension.
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