Affecting the morphology of silver deposition on carbon nanotube surface: from nanoparticles to dendritic (tree-like) nanostructures

Mohsen Forati-Nezhad; Gity Mir Mohamad Sadeghi; Frank Yaghmaie; Farbod Alimohammadi

doi:10.1016/j.msec.2014.10.039

Affecting the morphology of silver deposition on carbon nanotube surface: from nanoparticles to dendritic (tree-like) nanostructures

Mater Sci Eng C Mater Biol Appl. 2015 Jan:46:232-8. doi: 10.1016/j.msec.2014.10.039. Epub 2014 Oct 22.

Authors

Mohsen Forati-Nezhad¹, Gity Mir Mohamad Sadeghi², Frank Yaghmaie³, Farbod Alimohammadi⁴

Affiliations

¹ Department of Polymer Engineering and Color Technology, Amirkabir University of Technology, Tehran, Iran.
² Department of Polymer Engineering and Color Technology, Amirkabir University of Technology, Tehran, Iran. Electronic address: gsadeghi@aut.ac.ir.
³ Northern California Nanotechnology Center, University of California, Davis, CA 95616, USA.
⁴ Young Researchers and Elite Club, South Tehran Branch, Islamic Azad University, Tehran, Iran.

PMID: 25491982
DOI: 10.1016/j.msec.2014.10.039

Abstract

Chemical reduction was used to synthesize silver crystals on the surface of multiwall carbon nanotubes (MWCNTs) in the presence of acetone, N,N-dimethylformamide (DMF), N-methyl-2-pyrrolidone, and isopropyl alcohol as solvent. DMF and sodium dodecyl sulfate were used as a reducing and a stabilizing agent, respectively. The structure and nature of hybrid MWCNT/silver were characterized by Raman spectroscopy, FTIR spectroscopy, transmission electron microscopy (TEM), and field emission scanning electron microscope (FESEM). The presence of silver crystals on the nanotubes was confirmed by XRD. The results show the formation of silver crystals on the MWCNT surface and indicate that the morphology of silver crystals can be control by changing the solvent. The type of solvent is an effective parameter that affects the particle size and morphological transition from nanoparticles to silver trees.

Keywords: Carbon nanotube; Dendritic nanostructure; Nanoparticles; Silver crystals.

MeSH terms

Dendritic Cells / chemistry*
Microscopy, Electron, Transmission
Nanotubes, Carbon*
Silver / chemistry*
Spectroscopy, Fourier Transform Infrared
Spectrum Analysis, Raman
Surface Properties
X-Ray Diffraction

Substances

Nanotubes, Carbon
Silver