Characterization of Stabilized Zero Valent Iron Nanoparticles

  • Lauren F. GreenleeEmail author
  • Stephanie Hooker


The demonstrated toxicity of certain groups of organic micropollutants in water sources has motivated research in developing novel materials that are able to remove dissolved organic molecules from an aqueous system through adsorption and/or degradation. One approach is to use the enhanced surface properties of nano- sized particles to adsorb, reduce, or oxidize organic contaminants. Our research focuses on the use of catalytic nanoparticles to degrade haloamides, a specific family of disinfection by-products (DBPs) produced during chlorine and chloramine disinfection. This work focuses on the development and characterization of zero valent iron-based catalytic nanoparticles. In particular, different stabilizer compounds are used during nanoparticle synthesis to control the particle size and prevent aggregation. The size, shape, and functional groups of the stabilizer compounds are investigated; the roles of specific chelating groups, such as phosphates and carboxylates, in controlling particle size are compared. Particles are characterized through several techniques including dynamic light scattering, electron microscopy, and measurement of zeta potential.


Carboxymethyl cellulose phosphonates nanoparticles zero valent iron stabilization 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  1. 1.Materials Reliability DivisionNational Institute of Standards and TechnologyGaithersburgUSA
  2. 2.National Institute of Standards and TechnologyBoulderUSA

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