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Method for producing noble metal nanoparticle multimer, method for recovering noble metal nanoparticle isomer, method for controlling absorption spectrum of noble metal nanoparticle isomer, and method for controlling optical characteristics of noble metal nanoparticle isomer
Method for producing noble metal nanoparticle multimer, method for recovering noble metal nanoparticle isomer, method for controlling absorption spectrum of noble metal nanoparticle isomer, and method for controlling optical characteristics of noble metal nanoparticle isomer
To provide a production method for a noble metal particle multimer possessing a uniform property.SOLUTION: A production method for a noble metal nanoparticle multimer includes a step of dispersing a noble metal nanoparticle 1 bonded on a surface with an alkyl chain having a reactive group in a solvent 3, and a step of obtaining a noble metal nanoparticle multimer fluid dispersion 19 by replacing the solvent to a high salt concentration of solvent 13. The noble metal nanoparticle multimer is separated by gel electrophoresis.SELECTED DRAWING: Figure 1
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