Please use this identifier to cite or link to this item:
http://bura.brunel.ac.uk/handle/2438/16022
Title: | Nanodiamonds for device applications: An investigation of the properties of boron-doped detonation nanodiamonds |
Authors: | Howkins, A Boyd, IW Jackman, RB |
Issue Date: | 2018 |
Citation: | Scientific Reports, 2018, 8 (1) |
Abstract: | © 2018 The Author(s). The inclusion of boron within nanodiamonds to create semiconducting properties would create a new class of applications in the field of nanodiamond electronics. Theoretical studies have differed in their conclusions as to whether nm-scale NDs would support a stable substitutional boron state, or whether such a state would be unstable, with boron instead aggregating or attaching to edge structures. In the present study detonation-derived NDs with purposefully added boron during the detonation process have been studied with a wide range of experimental techniques. The DNDs are of ~4 nm in size, and have been studied with CL, PL, Raman and IR spectroscopies, AFM and HR-TEM and electrically measured with impedance spectroscopy; it is apparent that the B-DNDs studied here do indeed support substitutional boron species and hence will be acting as semiconducting diamond nanoparticles. Evidence for moderate doping levels in some particles (∼10 17 B cm -3 ), is found alongside the observation that some particles are heavily doped (∼10 20 B cm -3 ) and likely to be quasi-metallic in character. The current study has therefore shown that substitutional boron doping in nm NDs is in fact possible, opening-up the path to a whole host of new applications for this interesting class of nano-particles. |
URI: | http://bura.brunel.ac.uk/handle/2438/16022 |
DOI: | http://dx.doi.org/10.1038/s41598-018-21670-w |
ISSN: | 2045-2322 |
Appears in Collections: | Dept of Mechanical and Aerospace Engineering Research Papers |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
FullText.pdf | 2.31 MB | Adobe PDF | View/Open |
Items in BURA are protected by copyright, with all rights reserved, unless otherwise indicated.