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Thin and long silver nanowires self-assembled in ionic liquids as a soft template: electrical and optical properties.

Authors
  • Chang, Min-Hwa
  • Cho, Hyun-Ah
  • Kim, Youn-Soo
  • Lee, Eun-Jong
  • Kim, Jin-Yeol
Type
Published Article
Journal
Nanoscale Research Letters
Publisher
Springer (Biomed Central Ltd.)
Publication Date
Jan 01, 2014
Volume
9
Issue
1
Pages
330–330
Identifiers
DOI: 10.1186/1556-276X-9-330
PMID: 25024690
Source
Medline
Keywords
License
Unknown

Abstract

Thin and long silver nanowires were successfully synthesized using the polyvinylpyrrolidone (PVP)-assisted polyol method in the presence of ionic liquids, tetrapropylammonium chloride and tetrapropylammonium bromide, which served as soft template salts. The first step involved the formation of Ag nanoparticles with a diameter of 40 to 50 nm through the reduction of silver nitrate. At the growing stage, the Ag nanoparticles were converted into thin and long one-dimensional wires, with uniform diameters of 30 ± 3 nm and lengths of up to 50 μm. These Ag nanowires showed an electrical conductivity of 0.3 × 10(5) S/cm, while the sheet resistance of a two-dimensional percolating Ag nanowire network exhibited a value of 20 Ω/sq with an optical transmittance of 93% and a low haze value.

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