Template-Assisted synthesis and characterization of passivated nickel nanoparticles

E. Veena Gopalan, K. A. Malini, G. Santhoshkumar, T. N. Narayanan, P. A. Joy, I. A. Al-Omari, Sakthi S. Kumar, Yasuhiko Yoshida, M. R. Anantharaman

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Potential applications of nickel nanoparticles demand the synthesis of self-protected nickel nanoparticles by different synthesis techniques. A novel and simple technique for the synthesis of self-protected nickel nanoparticles is realized by the inter-matrix synthesis of nickel nanoparticles by cation exchange reduction in two types of resins. Two different polymer templates namely strongly acidic cation exchange resins and weakly acidic cation exchange resins provided with cation exchange sites which can anchor metal cations by the ion exchange process are used. The nickel ions which are held at the cation exchange sites by ion fixation can be subsequently reduced to metal nanoparticles by using sodium borohydride as the reducing agent. The composites are cycled repeating the loading reduction cycle involved in the synthesis procedure. X-Ray Diffraction, Scanning Electron Microscopy, Transmission Electron microscopy, Energy Dispersive Spectrum, and Inductively Coupled Plasma Analysis are effectively utilized to investigate the different structural characteristics of the nanocomposites. The hysteresis loop parameters namely saturation magnetization and coercivity are measured using Vibrating Sample Magnetometer. The thermomagnetization study is also conducted to evaluate the Curie temperature values of the composites. The effect of cycling on the structural and magnetic characteristics of the two composites are dealt in detail. A comparison between the different characteristics of the two nanocomposites is also provided.

Original languageEnglish
Pages (from-to)889-897
Number of pages9
JournalNanoscale Research Letters
Volume5
Issue number5
DOIs
Publication statusPublished - May 2010

Fingerprint

Nickel
Ion exchange
templates
Positive ions
nickel
Cations
Nanoparticles
cations
nanoparticles
Cation Exchange Resins
synthesis
resins
Resins
Nanocomposites
Composite materials
composite materials
Ions
nanocomposites
Metal nanoparticles
Reducing Agents

Keywords

  • Nickel nanoparticles
  • Polymer-metal nanocomposites
  • Strongly acidic cation exchange resin
  • Stuctural and magnetic properties
  • Weakly acidic cation exchange resin

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Gopalan, E. V., Malini, K. A., Santhoshkumar, G., Narayanan, T. N., Joy, P. A., Al-Omari, I. A., ... Anantharaman, M. R. (2010). Template-Assisted synthesis and characterization of passivated nickel nanoparticles. Nanoscale Research Letters, 5(5), 889-897. https://doi.org/10.1007/s11671-010-9580-7

Template-Assisted synthesis and characterization of passivated nickel nanoparticles. / Gopalan, E. Veena; Malini, K. A.; Santhoshkumar, G.; Narayanan, T. N.; Joy, P. A.; Al-Omari, I. A.; Kumar, Sakthi S.; Yoshida, Yasuhiko; Anantharaman, M. R.

In: Nanoscale Research Letters, Vol. 5, No. 5, 05.2010, p. 889-897.

Research output: Contribution to journalArticle

Gopalan, EV, Malini, KA, Santhoshkumar, G, Narayanan, TN, Joy, PA, Al-Omari, IA, Kumar, SS, Yoshida, Y & Anantharaman, MR 2010, 'Template-Assisted synthesis and characterization of passivated nickel nanoparticles', Nanoscale Research Letters, vol. 5, no. 5, pp. 889-897. https://doi.org/10.1007/s11671-010-9580-7
Gopalan, E. Veena ; Malini, K. A. ; Santhoshkumar, G. ; Narayanan, T. N. ; Joy, P. A. ; Al-Omari, I. A. ; Kumar, Sakthi S. ; Yoshida, Yasuhiko ; Anantharaman, M. R. / Template-Assisted synthesis and characterization of passivated nickel nanoparticles. In: Nanoscale Research Letters. 2010 ; Vol. 5, No. 5. pp. 889-897.
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