How to separate copper nanoparticles from graphene？

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Alan F Rawle

Avoid the grapheme in the preparation and you'll not need to separate out the copper nanoparticles. Use an inorganic oxide (e.g. silica) as your support.

Maxime Boksebeld

If the presence of organic ligands is not a problem for you, you can try to add an aqueous solution containing some thiolated or aminated hydrophilic ligands. This could help you to desorb nanoparticles.

Dillip KUMAR Mishra

I'm supported to maxme, if you want to separate Cu from GO then you have to do MOF synthesis, by which Cu-MOF separate out from GO or RGO easily.