Increasing the Electric Double‐Layer Capacitance in Boron‐Doped Diamond Electrodes | Zendy

Takagi Kazuaki | Zendy; Natsui Keisuke | Zendy; Watanabe Takeshi | Zendy; Einaga Yasuaki | Zendy

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Increasing the Electric Double‐Layer Capacitance in Boron‐Doped Diamond Electrodes

Author(s) -

Takagi Kazuaki,

Natsui Keisuke,

Watanabe Takeshi,

Einaga Yasuaki

Publication year - 2019

Publication title -

chemelectrochem

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 59

ISSN - 2196-0216

DOI - 10.1002/celc.201801702

Subject(s) - electrode , capacitance , boron , materials science , diamond , impurity , electrochemistry , anode , layer (electronics) , carbon fibers , doping , chemical engineering , analytical chemistry (journal) , nanotechnology , optoelectronics , chemistry , composite material , composite number , chromatography , organic chemistry , engineering

Highly boron‐doped diamond (BDD) electrodes containing sp 2 carbon impurities exhibit an increase in the electric double‐layer capacitance ( C dl ) after anodic oxidation. Although it is known that the electrochemical properties of BDD electrodes are affected by several factors, including the boron concentration, the amount of sp 2 carbon impurity, and the surface termination and orientation, clarification of the mechanism for the increase in C dl needs to be done. To this end, we prepared several BDD samples under various conditions and the properties of these samples, including C dl , were systematically investigated. The mechanism for the increase in C dl in particular, including the effect of the surface termination, is discussed.

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