Interpreting the effect of operating variable, seed, and impurity on the induction time of silver nanoparticles precipitation by cluster coagulation models

Document Type : Research Article

Authors

Department of Chemical Engineering, College of Engineering, Shahid Bahonar University of Kerman, Jomhoori Blvd., Kerman, Iran

Abstract

This paper reports the effect of temperature, presence of impurity (Fe3+), and crystal seed on the induction time of silver nanoparticles. In this study, Ag precipitation was achieved by solution reduction and the experimental induction time was measured by monitoring the absorption of the solution after creation of supersaturation. Experimental induction time was compared to the cluster coagulation models (the Smoluchowski model and its’ variation cluster coagulation model) and the conclusion is that the conventional Smoluchowski coagulation model works better than the modified version.

Graphical Abstract

Interpreting the effect of operating variable, seed, and impurity on the induction time of silver nanoparticles precipitation by cluster coagulation models

Highlights

  • The effects of temperature, impurity (Fe3+) and crystal seed on the induction time of silver nanoparticles is investigated.
  • Experimental induction time was compared to the cluster coagulation models.
  • The presence of Fe3+ prolongs the induction time.
  • The Cluster model is overly simplified and does not properly model precipitation process.

Keywords

References

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Journal of Particle Science and Technology
Volume 4, Issue 2
October 2018
Pages 81-90

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History

  • Receive Date: 27 December 2017
  • Revise Date: 25 August 2018
  • Accept Date: 22 October 2018

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