Chemical synthesis of air-stable manganese nanoparticles

James F. Bondi, Karl D. Oyler, Xianglin Ke, Peter Schiffer, Raymond E. Schaak

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

Abstract

(Graph Presented) Elemental manganese has a complex crystal structure and unusual magnetic properties, making it an intriguing target for exploration in nanocrystalline form. However, because of its oxophilicity and the difficulty in reducing soluble metal salts to elemental Mn using the most common solution-phase reducing agents, it has been challenging to synthesize and stabilize elemental Mn nanoparticles using solution chemistry methods. Here we report the chemical synthesis of α-Mn nanoparticles using n-butyllithium as a reducing agent. The nanoparticles have been characterized by powder XRD, TEM, electron diffraction, infrared spectroscopy (DRIFT), XPS, and SQUID magnetometry. An amorphous manganese oxide layer bound by oleate ligands helps to render the nanoparticles air-stable. The oxide-coated α-Mn nanoparticles are paramagnetic.

Original languageEnglish (US)
Pages (from-to)9144-9145
Number of pages2
JournalJournal of the American Chemical Society
Volume131
Issue number26
DOIs
StatePublished - Jul 8 2009

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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