The Effect of Sulfidation on Solubility of Silver Nanoparticles On Water Treatment Membranes

By Richard Daines1; NEWT Center2

1. Phoenix Union HSD, Pheonix, AZ 2. NanoEnabled Water Treatment (NEWT) ERC

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Category

Online Presentations

Published on

Abstract

This whiteboard video is designed to engage K-12 students in high-level nanotechnology research. 

Biofouling hinders water treatment membranes. Coating them with silver nanoparticles (AgNPs) increases their antimicrobial biofouling resistance.  Unfortunately, AgNPs are soluble, limiting their long-term effectiveness. AgNPs react with Sodium Sulfide (Na2S) to form silver sulfide (Ag2S).  This partially sulfidizes the AgNPs changing both the solubility and antimicrobial properties.

Credits

Dr. Francois Perreault, ASU - Lab PI 

Dr. Douglas Rice, ASU - Mentor

Sponsored by

NEWT: NSF Nanotechnology Research Experience for Teachers, National Science Foundation Grant EEC-1449500.

Cite this work

Researchers should cite this work as follows:

  • Richard Daines, NEWT Center (2021), "The Effect of Sulfidation on Solubility of Silver Nanoparticles On Water Treatment Membranes," https://nanohub.org/resources/34704.

    BibTex | EndNote

Tags

  1. Engineering Research Center (ERC)
  2. K-12
  3. membranes
  4. NanoEnabled Water Treatment (NEWT) ERC
  5. nanoparticles
  6. nano technology
  7. silver nanoparticles
  8. video
  9. Water
  10. water purification/filtration