Nanopartikel Co telah dihasilkan secara penurunan fasa-cecair menggunakan N2H4 dan propilena glikol tanpa sebarang agen perlindungan. Nanopartikel yangudamat halus dan bulat disediakan dengan penurunan Co2+ menggunakan N2H4 dalam larutan etilena glikol berbes.ududCo nanoparticles were produced by liquid-phase reduction using N2H4 and propylene glycol without any protective agent. Very small, though polydispersed, spherical Co nanoparticles were prepared by Co2+ reduction using N2H4 in a basic ethylene glycol solution.ud
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