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Comparative electrode kinetics of micro and nano-crystalline boron doped diamond.

Published online by Cambridge University Press:  27 February 2012

E. Saito ,
A.F. Azevedo ,
F.A. Souza ,
N.G. Ferreira  and
M.R. Baldan
E. Saito
Affiliation:
Instituto Nacional de Pesquisas Espaciais (INPE) -12201-970 São José dos Campos, Brasil
A.F. Azevedo
Affiliation:
Instituto Nacional de Pesquisas Espaciais (INPE) -12201-970 São José dos Campos, Brasil
F.A. Souza
Affiliation:
Instituto Nacional de Pesquisas Espaciais (INPE) -12201-970 São José dos Campos, Brasil
N.G. Ferreira
Affiliation:
Instituto Nacional de Pesquisas Espaciais (INPE) -12201-970 São José dos Campos, Brasil
M.R. Baldan
Affiliation:
Instituto Nacional de Pesquisas Espaciais (INPE) -12201-970 São José dos Campos, Brasil
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Abstract

Comparative study of boron doped micro/nanocrystalline diamond (BDD/BDND) electrodes was performed using electrochemical impedance spectroscopy measurements (EIS). The morphological and structural characterizations of BDD/BDND films were analyzed by scanning electron microscopy and Raman scattering spectroscopy. The films were grown with different boron amounts added in the feed gas. The boron source for BDND was smaller in concentration than that for BDD sample. Nonetheless, differential capacitance (Mott-Schottky plots) and heterogeneous charge transfer constant results showed similar doping level for both electrodes. This behavior indicated the high efficiency to dope nanocrystalline diamond films.

Keywords

diamondsemiconductingchemical vapor deposition (CVD) (chemical reaction)
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1395: Symposium N – Diamond Electronics and Biotechnology–Fundamentals to Applications V , 2012 , mrsf11-1395-n12-22
Copyright
Copyright © Materials Research Society 2012

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