Silver Nanoparticles (2 of 2) (IMAGE)

National Institute of Standards and Technology (NIST)

Silver Nanoparticles (2 of 2)

Caption

Transmission electron microscopy (TEM) image of silver nanoparticles formed from silver ions in solution with humic acid. The acid tends to coat the nano particles (visible here as a pale cloud), keeping them in a colloidal suspension instead of clumping together. (Color added for clarity.)

Credit

SUNY, Buffalo

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