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Polyol synthesis of silver nanostructures: Control of product morphology with Fe(II) or Fe(III) Species

Publication ,  Journal Article
Wiley, B; Sun, Y; Xia, Y
Published in: Langmuir
August 30, 2005

Adjusting the concentration of Fe(II) or Fe(III) in the polyol reduction of silver nitrate allows for the production of either nanocubes or nanowires. Reduction by ethylene glycol maintained the iron ions in the reduced Fe(II) form, which in turn reacted with and removed adsorbed atomic oxygen from the surface of silver nanoparticles. Relatively high concentrations (2.2 μM) of iron ions facilitated the growth of multiply twinned seeds to form nanowires by removing oxygen from the surface of twinned seeds and preventing their dissolution by oxidative etching. Lower concentrations (<0.44μM) of iron ions only partially removed oxygen from the surface, resulting in selective etching of twinned seeds and accelerated formation of single-crystal nanocubes. In each case, the addition of chloride prevented rapid aggregation of seeds and facilitated their growth into discrete nanostructures. © 2005 American Chemical Society.

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Published In

Langmuir

DOI

ISSN

0743-7463

Publication Date

August 30, 2005

Volume

21

Issue

18

Start / End Page

8077 / 8080

Related Subject Headings

  • Chemical Physics
 

Citation

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Wiley, B., Sun, Y., & Xia, Y. (2005). Polyol synthesis of silver nanostructures: Control of product morphology with Fe(II) or Fe(III) Species. Langmuir, 21(18), 8077–8080. https://doi.org/10.1021/la050887i
Wiley, B., Y. Sun, and Y. Xia. “Polyol synthesis of silver nanostructures: Control of product morphology with Fe(II) or Fe(III) Species.” Langmuir 21, no. 18 (August 30, 2005): 8077–80. https://doi.org/10.1021/la050887i.
Wiley, B., et al. “Polyol synthesis of silver nanostructures: Control of product morphology with Fe(II) or Fe(III) Species.” Langmuir, vol. 21, no. 18, Aug. 2005, pp. 8077–80. Scopus, doi:10.1021/la050887i.
Journal cover image

Published In

Langmuir

DOI

ISSN

0743-7463

Publication Date

August 30, 2005

Volume

21

Issue

18

Start / End Page

8077 / 8080

Related Subject Headings

  • Chemical Physics