<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Diamond electrodes of different morphologies and qualities were manufactured by hot filament chemical deposition (HF CVD) techniques by changing the parameters of diamond growth process. The estimation of diamond quality and identification of different carbon phases was performed by Raman spectroscopy measurements. The effect of diamond quality and amorphous carbon phase content on the electrochemical response of an obtained diamond electrode in 0.5 M H2SO4 as supporting electrolyte was investigated by cyclic voltammetry with [Fe(CN)6]4−/3− as a redox probe. The kinetic parameters such as catalytic reaction rate constant k0 and electron transfer coefficient α were determined. The obtained results show that the analytical performance of undoped diamond electrodes can be implemented just by the change of diamond layers quality.</p></abstract>

Diamond electrodes of different morphologies and qualities were manufactured by hot filament chemical deposition (HF CVD) techniques by changing the parameters of diamond growth process. The estimation of diamond quality and identification of different carbon phases was performed by Raman spectroscopy measurements. The effect of diamond quality and amorphous carbon phase content on the electrochemical response of an obtained diamond electrode in 0.5 M H2SO4 as supporting electrolyte was investigated by cyclic voltammetry with [Fe(CN)6]4−/3− as a redox probe. The kinetic parameters such as catalytic reaction rate constant k0 and electron transfer coefficient α were determined. The obtained results show that the analytical performance of undoped diamond electrodes can be implemented just by the change of diamond layers quality.

CVD diamond layers for electrochemistry

Faculty of Chemical Technology and Engineering, University of Technology and Life Sciences, Seminaryjna 3, 85-326, Bydgoszcz, Poland

Institute of Physics, Kazimierz Wielki University, Powstańców Wielkopolskich 2, 85-090, Bydgoszcz, Poland

Faculty of Technical Physics, Poznan University of Technology, Nieszawska 13A, 60-965, Poznań, Poland

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"CVD diamond layers for electrochemistry"}

Diamond electrodes of different morphologies and qualities were manufactured by hot filament chemical deposition (HF CVD) techniques by changing the parameters...

CVD diamond layers for electrochemistry

Online veröffentlicht: 17. Okt. 2014

Seitenbereich: 475 - 480

DOI: https://doi.org/10.2478/s13536-014-0211-3

Schlüsselwörter
cyclic voltammetry, Raman spectroscopy, undoped diamond layer, amorphous carbon phase

© 2014 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

CVD diamond layers for electrochemistry

Online veröffentlicht: 17. Okt. 2014

Seitenbereich: 475 - 480

DOI: https://doi.org/10.2478/s13536-014-0211-3

Schlüsselwörtercyclic voltammetry, Raman spectroscopy, undoped diamond layer, amorphous carbon phase

© 2014 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Schlüsselwörter
cyclic voltammetry, Raman spectroscopy, undoped diamond layer, amorphous carbon phase