Multi-tiered distributions of arsenic in iron nanoparticles: Observation of dual redox functionality enabled by a core-shell structure

Weile Yan, Mauricio A.V. Ramos, Bruce E. Koel, Wei Xian Zhang

Research output: Contribution to journalArticle

45 Scopus citations

Abstract

Multi-tiered arsenic distributions within nanoscale zero-valent iron (nZVI) were observed upon reactions of nZVI with aqueous As(iii) species, suggesting arsenite oxidation and reduction may occur in parallel at different sub-domains of the nanoparticles owing to the particle's core-shell structure. New insights into arsenic remediation with iron nanomaterials are obtained.

Original languageEnglish (US)
Pages (from-to)6995-6997
Number of pages3
JournalChemical Communications
Volume46
Issue number37
DOIs
StatePublished - Oct 7 2010
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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