Issue 10, 2020

Machine learning reveals multiple classes of diamond nanoparticles

Abstract

Generating samples of nanoparticles with specific properties that allow for structural diversity, rather than requiring structural precision, is a more sustainable prospect for industry, where samples need to be both targeted to specific applications and cost effective. This can be better enabled by defining classes of nanoparticles and characterising the properties of the class as a whole. In this study, we use machine learning to predict the different classes of diamond nanoparticles based entirely on the structural features and explore the populations of these classes in terms of the size, shape, speciation and charge transfer properties. We identify 9 different types of diamond nanoparticles based on their similarity in 17 dimensions and, contrary to conventional wisdom, find that the fraction of sp2 or sp3 hybridized atoms are not strong determinants, and that the classes are only weakly related to size. Each class has been describe in such way as to enable rapid assignment using microanalysis techniques.

Graphical abstract: Machine learning reveals multiple classes of diamond nanoparticles

Article information

Article type
Communication
Submitted
26 Jun 2020
Accepted
19 Aug 2020
First published
20 Aug 2020

Nanoscale Horiz., 2020,5, 1394-1399

Machine learning reveals multiple classes of diamond nanoparticles

A. J. Parker and A. S. Barnard, Nanoscale Horiz., 2020, 5, 1394 DOI: 10.1039/D0NH00382D

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