Microwave-assisted polyol process for synthesis of Ni nanoparticles

Dongsheng Li, Sridhar Komarneni

Research output: Contribution to journalArticle

118 Scopus citations

Abstract

Ni nanoparticles of controlled size in the range 30-100 nm were synthesized with polyvinyl pyrrolidone (PVP) and dodecylamine (DDA) as protecting agents through a microwave-assisted technique using ethylene glycol both as a reducing agent and a solvent. The morphology of Ni nanoparticles was controlled by the amount of DDA added in these systems. Particle size and size distribution were controlled by the concentration of metal source and the DDA to PVP ratio. The synthesized Ni nanoparticles were characterized by transmission electron microscopy for particle size and morphology, and size distribution was calculated by Image J TM software. Experimental UV-Vis spectra of Ni nanoparticles matched with the calculated spectrum based on Mie's theory. The microwave-assisted polyol process was found to be faster than the conventional-polyol process in Ni nanoparticle synthesis and the former technique is expected to be cost-effective compared with the latter.

Original languageEnglish (US)
Pages (from-to)1510-1517
Number of pages8
JournalJournal of the American Ceramic Society
Volume89
Issue number5
DOIs
StatePublished - May 1 2006

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Geology
  • Geochemistry and Petrology
  • Materials Chemistry

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