Synthesis and characterization of AgNP: ZrO2 functional nanomaterials by leaf extract assisted bioreduction process

S. Vivekanandhan, M. Venkateswarlu, Henry R Rawls, M. Misra, A. K. Mohanty, N. Satyanarayana

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Silver nanoparticle functionalized nanocrystalline ZrO2 was fabricated by using Anacardium occidentale leaf extract assisted bioreduction process at ambient conditions. Introducing A. occidentale leaf extract into an aqueous mixture of silver nitrate and ZrO2 particles caused the speedy reduction of the silver ions and efficiently lead to their nucleation as highly stable, silver nanoparticles on the ZrO2 surface. A reaction mechanism for the fabrication of functional interfaces was developed to illustrate this process. SEM-EDS and TEM investigations, together with UV-vis spectroscopy, confirmed the formation of 5-20 nm silver nanoparticles on the surfaces of ZrO2 particles. Further, the X-ray diffraction analysis confirms the phase pure face-centered cubic (fcc) crystal structure of silver nanoparticles formed on the surface of ZrO2 particles. Increasing concentration of leaf extract in the reaction mixture caused the rapid reduction of silver ions and inhibits the formation of silver nanoparticles over the surface of ZrO2 particles significantly.

Original languageEnglish (US)
Pages (from-to)3305-3311
Number of pages7
JournalCeramics International
Volume41
Issue number2
DOIs
StatePublished - Mar 1 2015

Fingerprint

Silver
Nanostructured materials
Nanoparticles
Ions
Silver Nitrate
Ultraviolet spectroscopy
X ray diffraction analysis
Energy dispersive spectroscopy
Nucleation
Crystal structure
Nitrates
Transmission electron microscopy
Fabrication
Scanning electron microscopy

Keywords

  • A. Bio process
  • B. Nanocomposites
  • C. Optical properties
  • D. ZrO

ASJC Scopus subject areas

  • Ceramics and Composites
  • Process Chemistry and Technology
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

Synthesis and characterization of AgNP : ZrO2 functional nanomaterials by leaf extract assisted bioreduction process. / Vivekanandhan, S.; Venkateswarlu, M.; Rawls, Henry R; Misra, M.; Mohanty, A. K.; Satyanarayana, N.

In: Ceramics International, Vol. 41, No. 2, 01.03.2015, p. 3305-3311.

Research output: Contribution to journalArticle

Vivekanandhan, S. ; Venkateswarlu, M. ; Rawls, Henry R ; Misra, M. ; Mohanty, A. K. ; Satyanarayana, N. / Synthesis and characterization of AgNP : ZrO2 functional nanomaterials by leaf extract assisted bioreduction process. In: Ceramics International. 2015 ; Vol. 41, No. 2. pp. 3305-3311.
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