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Issue 34, 2017
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Positive zeta potential of nanodiamonds

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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.

Graphical abstract: Positive zeta potential of nanodiamonds

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Supplementary files

Article information


Submitted
05 May 2017
Accepted
09 Aug 2017
First published
10 Aug 2017

This article is Open Access

Nanoscale, 2017,9, 12549-12555
Article type
Paper

Positive zeta potential of nanodiamonds

L. Ginés, S. Mandal, Ashek-I-Ahmed, C. Cheng, M. Sow and O. A. Williams, Nanoscale, 2017, 9, 12549
DOI: 10.1039/C7NR03200E

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