Production of metal-free diamond nanoparticles

Gines, Laia ORCID: https://orcid.org/0000-0001-9980-054X, Mandal, Soumen ORCID: https://orcid.org/0000-0001-8912-1439, Morgan, David ORCID: https://orcid.org/0000-0002-6571-5731, Lewis, Ryan, Davies, Philip R. ORCID: https://orcid.org/0000-0003-4394-766X, Borri, Paola ORCID: https://orcid.org/0000-0002-7873-3314, Morley, Gavin W. and Williams, Oliver A. ORCID: https://orcid.org/0000-0002-7210-3004 2018. Production of metal-free diamond nanoparticles. ACS Omega 3 (11) , pp. 16099-16104. 10.1021/acsomega.8b02067

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Abstract

In this paper, the controlled production of high-quality metal-free diamond nanoparticles is demonstrated. Milling with tempered steel is shown to leave behind iron oxide contamination which is difficult to remove. Milling with SiN alleviates this issue but generates more nondiamond carbon. Thus, the choice of milling materials is critically determined by the acceptable contaminants in the ultimate application. The removal of metal impurities, present in all commercially available nanoparticles, will open new possibilities toward the production of customized diamond nanoparticles, covering the most demanding quantum applications.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Biosciences Cardiff Catalysis Institute (CCI) Chemistry Physics and Astronomy
Publisher:	American Chemical Society
ISSN:	2470-1343
Funders:	EPSRC
Date of First Compliant Deposit:	13 December 2018
Date of Acceptance:	8 November 2018
Last Modified:	07 May 2023 22:45
URI:	https://orca.cardiff.ac.uk/id/eprint/117616

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