The Significance of Bromide in the Brust-Schiffrin Synthesis of Thiol Protected Gold NanoparticlesCitation formats

  • External authors:
  • Samuel G. Booth
  • Akihiro Uehara
  • Sin Yuen Chang
  • Camille La Fontaine
  • Toshiyuki Fujii
  • Yoshihiro Okamoto
  • Takahito Imai
  • Sven L. M. Schroeder

Standard

The Significance of Bromide in the Brust-Schiffrin Synthesis of Thiol Protected Gold Nanoparticles. / Booth, Samuel G.; Uehara, Akihiro; Chang, Sin Yuen; La Fontaine, Camille; Fujii, Toshiyuki; Okamoto, Yoshihiro; Imai, Takahito; Schroeder, Sven L. M.; Dryfe, Robert.

In: Chemical Science, 2017.

Research output: Contribution to journalArticle

Harvard

Booth, SG, Uehara, A, Chang, SY, La Fontaine, C, Fujii, T, Okamoto, Y, Imai, T, Schroeder, SLM & Dryfe, R 2017, 'The Significance of Bromide in the Brust-Schiffrin Synthesis of Thiol Protected Gold Nanoparticles' Chemical Science. https://doi.org/10.1039/C7SC03266H

APA

Booth, S. G., Uehara, A., Chang, S. Y., La Fontaine, C., Fujii, T., Okamoto, Y., ... Dryfe, R. (2017). The Significance of Bromide in the Brust-Schiffrin Synthesis of Thiol Protected Gold Nanoparticles. Chemical Science. https://doi.org/10.1039/C7SC03266H

Vancouver

Booth SG, Uehara A, Chang SY, La Fontaine C, Fujii T, Okamoto Y et al. The Significance of Bromide in the Brust-Schiffrin Synthesis of Thiol Protected Gold Nanoparticles. Chemical Science. 2017. https://doi.org/10.1039/C7SC03266H

Author

Booth, Samuel G. ; Uehara, Akihiro ; Chang, Sin Yuen ; La Fontaine, Camille ; Fujii, Toshiyuki ; Okamoto, Yoshihiro ; Imai, Takahito ; Schroeder, Sven L. M. ; Dryfe, Robert. / The Significance of Bromide in the Brust-Schiffrin Synthesis of Thiol Protected Gold Nanoparticles. In: Chemical Science. 2017.

Bibtex

@article{1696f7c63e6c4bd491bbb8d578d7bc4b,
title = "The Significance of Bromide in the Brust-Schiffrin Synthesis of Thiol Protected Gold Nanoparticles",
abstract = "The mechanism of the two-phase Brust-Schiffrin synthesis of alkane thiol protected metal nanoparticles is known to be highly sensitive to the precursor species and reactant conditions. In this work X-ray absorption spectroscopy is used in conjunction with liquid/liquid electrochemistry to highlight the significance of Brˉ in the reaction mechanism. The species [AuBr4]ˉ is shown to be a preferable precursor in the Brust-Schiffrin method as it is more resistant to the formation of Au(I) thiolate species than [AuCl4]ˉ. Previous literature has demonstrated that avoidance of the Au(I) thiolate is critical to achieving a good yield of nanoparticles, as [Au(I)X2]ˉ species are more readily reduced by NaBH4. We propose that the observed behavior of [AuBr4]ˉ species described herein explains the discrepancies in reported behavior present in the literature to date. This new mechanistic understanding should enable nanoparticle synthesis with a higher yield and reduce particle size polydispersity.",
author = "Booth, {Samuel G.} and Akihiro Uehara and Chang, {Sin Yuen} and {La Fontaine}, Camille and Toshiyuki Fujii and Yoshihiro Okamoto and Takahito Imai and Schroeder, {Sven L. M.} and Robert Dryfe",
year = "2017",
doi = "10.1039/C7SC03266H",
language = "English",
journal = "Chemical Science",
issn = "2041-6520",
publisher = "Royal Society of Chemistry",

}

RIS

TY - JOUR

T1 - The Significance of Bromide in the Brust-Schiffrin Synthesis of Thiol Protected Gold Nanoparticles

AU - Booth, Samuel G.

AU - Uehara, Akihiro

AU - Chang, Sin Yuen

AU - La Fontaine, Camille

AU - Fujii, Toshiyuki

AU - Okamoto, Yoshihiro

AU - Imai, Takahito

AU - Schroeder, Sven L. M.

AU - Dryfe, Robert

PY - 2017

Y1 - 2017

N2 - The mechanism of the two-phase Brust-Schiffrin synthesis of alkane thiol protected metal nanoparticles is known to be highly sensitive to the precursor species and reactant conditions. In this work X-ray absorption spectroscopy is used in conjunction with liquid/liquid electrochemistry to highlight the significance of Brˉ in the reaction mechanism. The species [AuBr4]ˉ is shown to be a preferable precursor in the Brust-Schiffrin method as it is more resistant to the formation of Au(I) thiolate species than [AuCl4]ˉ. Previous literature has demonstrated that avoidance of the Au(I) thiolate is critical to achieving a good yield of nanoparticles, as [Au(I)X2]ˉ species are more readily reduced by NaBH4. We propose that the observed behavior of [AuBr4]ˉ species described herein explains the discrepancies in reported behavior present in the literature to date. This new mechanistic understanding should enable nanoparticle synthesis with a higher yield and reduce particle size polydispersity.

AB - The mechanism of the two-phase Brust-Schiffrin synthesis of alkane thiol protected metal nanoparticles is known to be highly sensitive to the precursor species and reactant conditions. In this work X-ray absorption spectroscopy is used in conjunction with liquid/liquid electrochemistry to highlight the significance of Brˉ in the reaction mechanism. The species [AuBr4]ˉ is shown to be a preferable precursor in the Brust-Schiffrin method as it is more resistant to the formation of Au(I) thiolate species than [AuCl4]ˉ. Previous literature has demonstrated that avoidance of the Au(I) thiolate is critical to achieving a good yield of nanoparticles, as [Au(I)X2]ˉ species are more readily reduced by NaBH4. We propose that the observed behavior of [AuBr4]ˉ species described herein explains the discrepancies in reported behavior present in the literature to date. This new mechanistic understanding should enable nanoparticle synthesis with a higher yield and reduce particle size polydispersity.

U2 - 10.1039/C7SC03266H

DO - 10.1039/C7SC03266H

M3 - Article

JO - Chemical Science

JF - Chemical Science

SN - 2041-6520

ER -