Abstract
Silver nanostructures have expansive applications in catalysis, photonic and electronic devices. In this work, nanostructured silver micro-colloids (MCs) with uniform in size and shape (size distribution <5%) were synthesized via rapid reduction of silver nitrate by ascorbic acid
with controlled agglomeration and coalescence. We further propose that the formation of silver MCs was controlled by the chemical reaction kinetics which is governed by the concentration of reduced silver, Agº formed in solution. Preliminary electrical measurements of the highly conductive
silver MCs demonstrated their potential application as inks for printed electronics.