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Polyol synthesis of silver nanoparticles: Use of chloride and oxygen to promote the formation of single-crystal, truncated cubes and tetrahedrons

Publication ,  Journal Article
Wiley, B; Herricks, T; Sun, Y; Xia, Y
Published in: Nano Letters
September 1, 2004

Single-crystal cubes and tetrahedrons of silver with truncated corners/edges have been prepared for the first time in high yields by reducing silver nitrate with ethylene glycol heated to 148°C in the presence of poly(vinyl pyrrolidone) and a trace amount of sodium chloride. These nanoparticles were relatively monodisperse in size and shape, and their dimensions could be readily controlled in the range of 20 to 80 nm by varying the reaction time and other experimental parameters. We propose that the defects inherent in twinned nuclei of silver led to their selective etching and dissolution by chloride and oxygen (from air), leaving only the single crystalline ones to grow into nanoscale cubes and tetrahedrons.

Duke Scholars

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Published In

Nano Letters

DOI

ISSN

1530-6984

Publication Date

September 1, 2004

Volume

4

Issue

9

Start / End Page

1733 / 1739

Related Subject Headings

  • Nanoscience & Nanotechnology
 

Citation

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Wiley, B., Herricks, T., Sun, Y., & Xia, Y. (2004). Polyol synthesis of silver nanoparticles: Use of chloride and oxygen to promote the formation of single-crystal, truncated cubes and tetrahedrons. Nano Letters, 4(9), 1733–1739. https://doi.org/10.1021/nl048912c
Wiley, B., T. Herricks, Y. Sun, and Y. Xia. “Polyol synthesis of silver nanoparticles: Use of chloride and oxygen to promote the formation of single-crystal, truncated cubes and tetrahedrons.” Nano Letters 4, no. 9 (September 1, 2004): 1733–39. https://doi.org/10.1021/nl048912c.
Wiley, B., et al. “Polyol synthesis of silver nanoparticles: Use of chloride and oxygen to promote the formation of single-crystal, truncated cubes and tetrahedrons.” Nano Letters, vol. 4, no. 9, Sept. 2004, pp. 1733–39. Scopus, doi:10.1021/nl048912c.
Journal cover image

Published In

Nano Letters

DOI

ISSN

1530-6984

Publication Date

September 1, 2004

Volume

4

Issue

9

Start / End Page

1733 / 1739

Related Subject Headings

  • Nanoscience & Nanotechnology