Synthesis and controlled growth of osmium nanoparticles by electron irradiation

Anaïs Pitto-Barry; Luis M. A. Perdigao; Marc Walker; James Lawrence; Giovanni Costantini; Peter J. Sadler; Nicolas P. E. Barry

doi:10.1039/C5DT03205A

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Synthesis and controlled growth of osmium nanoparticles by electron irradiation†

Anaïs Pitto-Barry,

^a Luis M. A. Perdigao,^a Marc Walker,^a James Lawrence,^a Giovanni Costantini,*^a Peter J. Sadler*^a and Nicolas P. E. Barry*^a

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* Corresponding authors

^a Department of Chemistry, University of Warwick, Coventry CV4 7AL, UK
E-mail: G.Costantini@warwick.ac.uk, P.J.Sadler@warwick.ac.uk, N.Barry@warwick.ac.uk

Abstract

We have synthesised osmium nanoparticles of defined size (1.5–50 nm) on a B- and S-doped turbostratic graphitic structure by electron-beam irradiation of an organometallic osmium complex encapsulated in self-spreading polymer micelles, and characterised them by transmission electron microscopy (TEM), high-resolution TEM (HRTEM), and atomic force microscopy (AFM) on the same grid. Oxidation of the osmium nanoparticles after exposure to air was detected by X-ray photoelectron spectroscopy (XPS).

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Article information

DOI: https://doi.org/10.1039/C5DT03205A
Article type: Communication
Submitted: 19 Aug 2015
Accepted: 14 Sep 2015
First published: 29 Sep 2015
This article is Open Access

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Dalton Trans., 2015,44, 20308-20311

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Synthesis and controlled growth of osmium nanoparticles by electron irradiation

A. Pitto-Barry, L. M. A. Perdigao, M. Walker, J. Lawrence, G. Costantini, P. J. Sadler and N. P. E. Barry, Dalton Trans., 2015, 44, 20308 DOI: 10.1039/C5DT03205A

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Dalton Transactions

Synthesis and controlled growth of osmium nanoparticles by electron irradiation†

Abstract

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Article information

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Synthesis and controlled growth of osmium nanoparticles by electron irradiation

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