4.0 Article

Size Distribution of Silver Nanoparticles: UV-Visible Spectroscopic Assessment

Journal

NANOSCIENCE AND NANOTECHNOLOGY LETTERS
Volume 4, Issue 1, Pages 30-34

Publisher

AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/nnl.2012.1278

Keywords

Silver Nanoparticle; Colloids; UV-Vis Spectroscopy; Mie-Scattering Theory

Funding

  1. Department of Science and Technology, New Delhi, India

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Using chemical reduction technique silver nanoparticles have been synthesized having size <5 nm with controllable size distribution. The size of the silver nanoparticles is controlled using reducing agent sodium borohydride and characterized using UV-visible spectroscopy technique. This method under the frame work of Mie theory is used to determine particle size and size distribution. The UV-vis absorbance is used to characterize the kinetics of formation and final colloid stability.

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