OPTIMIZATION AND CHARACTERIZATION OF POROUS BORON DOPED DIAMOND LAYERS

1,2 SEDLÁKOVÁ Silvia
Co-authors:
1 TAYLOR Andrew 3 VLČKOVÁ ŽIVCOVÁ Zuzana 1 RENČIUKOVÁ Veronika 1 KOPEČEK Jaromír 1 KLIMŠA Ladislav 3 KAVAN Ladislav 2 LEDVINA Miroslav 1,4 MORTET Vincent
Institutions:
1 Institute of Physics, Academy of Sciences of the Czech Republic, Na Slovance 2, 182 21 Prague 8, Czech Republic, EU, ignacova@fzu.cz
2 University of Chemistry and Technology, Technická 5, 166 28 Prague 6, Czech Republic, EU
3 J. Heyrovský Institute of Physical Chemistry of the Czech Republic, Dolejškova 3, 182 23 Prague 8, Czech Republic, EU
4 Czech Technical University in Prague, Faculty of Biomedical Engineering, nám. Sítná 3105, 272 01 Kladno, Czech Republic, EU
Conference:
9th International Conference on Nanomaterials - Research & Application, Hotel Voronez I, Brno, Czech Republic, EU, October 18th - 20th 2017
Proceedings:
Proceedings 9th International Conference on Nanomaterials - Research & Application
Pages:
277-282
ISBN:
978-80-87294-81-9
ISSN:
2694-930X
Published:
8th March 2018
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
22 views / 15 downloads
Abstract

With the development of chemical vapour deposition techniques, and thanks to its chemical and electrical properties, boron-doped nanocrystalline diamond has attracted the interest of electrochemists for various applications from chemical sensing to water treatment. Potential applications, such as super capacitors and dye sensitized solar cells, would greatly benefit from an increase in specific surface area. We recently reported a promising simple multilayer process using SiO2 nanofibres as a 3D template to produce thick porous boron doped diamond (PBDD). In this article, we further describe the optimization and characterization of thick PBDD layers: addressing diamond seeding issues and report on electrical conductivity and electrochemical properties. Fabricated PBDD layers were characterized by scanning electron microscopy, micro-Raman spectroscopy, and cyclic voltammetry in aqueous electrolyte solution. Finally, fabrication of thick free-standing PBDD layer is demonstrated.

Keywords: Porous materials, boron doped diamond, electrochemistry, nanofibres, MW PECVD
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