4.5 Article

Droplet synthesis of silver nanoparticles by a microfluidic device

Journal

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/j.cep.2016.01.017

Keywords

Silver nanoparticles; Microfluidics; Droplet synthesis; Reduction method

Funding

  1. National Natural Science Foundation of China [51204081, U1302271]
  2. China Scholarship Council [2011853521]
  3. Yunnan Provincial Science and Technology Innovation Talents scheme-Technological Leading Talent of China [2013HA002]
  4. Applied Basic Research Project of Yunnan Province of China [2013FZ008]

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Silver nanoparticles are synthesized by the reduction of metal salt solutions from sodium borohydride in a microfluidic chip. The influence of different operating conditions on silver particle diameter, morphology, size distribution, and elemental compositions has been investigated. The results demonstrated that ethylenediaminetetraacetic acid (EDTA) serving as a complexant significantly affected the particle size of synthesized silver nanoparticles. An increase in the silver nanoparticle mean diameter was observed with decreasing NaBH4/AgNO3 molar concentration ratios, and increasing fluid flow rates. (C) 2016 Elsevier B.V. All rights reserved.

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