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Positive zeta potential of nanodiamonds

Gines, Laia, Mandal, Soumen, Ashek-I-Ahmed, Ashek-I-Ahmed, Cheng, Chia-Liang, Sow, Maabur and Williams, Oliver 2017. Positive zeta potential of nanodiamonds. Nanoscale 9 (34) , pp. 12549-12555. 10.1039/C7NR03200E

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Abstract

In this paper, the origin of positive zeta potential exhibited by nanodiamond particles is explained. Positive zeta potentials in nano-structured carbons can be explained by the presence of graphitic planes at the surface, which leave oxygen-free Lewis sites and so promotes the suppression of acidic functional groups. Electron Microscopy and Raman Spectroscopy have been used to show that positive zeta potential of nanodiamond is only exhibited in the presence of sp2 carbon at the surface.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QC Physics
Publisher: Royal Society of Chemistry
ISSN: 2040-3364
Date of First Compliant Deposit: 22 August 2017
Date of Acceptance: 9 August 2017
Last Modified: 13 Aug 2018 04:49
URI: http://orca.cf.ac.uk/id/eprint/103856

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