2007
DOI: 10.1016/j.electacta.2006.12.028
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Electrochemical behavior of high-pressure synthetic boron doped diamond powder electrodes

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Cited by 25 publications
(17 citation statements)
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“…Well-defined electrochemical responses were obtained on these powders based film electrode for the redox reactions of Fe(CN) 6 3−∕4− , Ir(Cl) 6 2−∕3− , and Fe 2+∕3+ , in comparable to typical responses shown on the high-quality, boron-doped nanocrystalline diamond thin-film [120]. Later the electrochemical characteristics of boron-doped diamond powders based film electrodes were investigated by measuring the cyclic voltammetric curves and AC impedance spectra [121]. The powders were synthesized under HPHT using B-doped graphite intercalation compositions as carbon sources.…”
Section: Doped Diamond Nanoparticlesmentioning
confidence: 99%
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“…Well-defined electrochemical responses were obtained on these powders based film electrode for the redox reactions of Fe(CN) 6 3−∕4− , Ir(Cl) 6 2−∕3− , and Fe 2+∕3+ , in comparable to typical responses shown on the high-quality, boron-doped nanocrystalline diamond thin-film [120]. Later the electrochemical characteristics of boron-doped diamond powders based film electrodes were investigated by measuring the cyclic voltammetric curves and AC impedance spectra [121]. The powders were synthesized under HPHT using B-doped graphite intercalation compositions as carbon sources.…”
Section: Doped Diamond Nanoparticlesmentioning
confidence: 99%
“…With an increase of the scan rate the electrode process is controlled by the mass transport plus kinetic process. AC impedance spectra exhibited the porous structure characteristic of boron-doped diamond powders based film electrode [121]. The boron-doped diamond nanoparticles made by solid-state diffusion method showed a lower capacitance but a higher conductivity than undoped diamond nanoparticles [122].…”
Section: Doped Diamond Nanoparticlesmentioning
confidence: 99%
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“…Previous work in our research group has presented a method to synthesize BDD crystals under the conditions of high pressure and high temperature using boron-doped graphite intercalation compounds (GICs) as carbon sources [14,15]. We have also investigated the electrochemical behavior of BDD powder electrode in the neutral supporting electrolyte and the solution containing K 3 Fe(CN) 6 / K 4 Fe(CN) 6 redox couple [16]. However, the complexity of packed powders on the morphology and the density makes the electrochemical results difficult to repeat exactly while using either the same electrode or different electrodes.…”
Section: Introductionmentioning
confidence: 98%
“…Li et al [15] obtained boron-doped diamond from a Fe-Ni-C-B catalytic system made by powder metallurgy method at 5.4-5.7 GPa and 1573-1673 K. Ekimov et al [16,17] synthesized microcrystalline boron-doped diamond powders in the C-H-B system at a pressure of 8 GPa and temperatures above 2000 K. Sidorov et al [18] synthesized polycrystalline carbonado-like diamonds in the systems boron-graphite and B 4 C-graphite at P = 9 GPa and T = 2500-2800 K. Buga et al [19] synthesized boron-doped diamond samples from a seed by the temperature gradient method at a pressure of *Corresponding author (email: wwzhang@cau.edu.cn) P=5.5 GPa and a temperature of T= 1650 K in the Fe-Al-C-B system. Zang et al [20] succeeded in synthesis borondoped diamond under HPHT using B-doped graphite intercalation compositions (GICs) as carbon sources.…”
mentioning
confidence: 99%