Journal
CHEMISTRY LETTERS
Volume 44, Issue 5, Pages 627-629Publisher
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.150050
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Funding
- KAKENHI from the Japan Society for the Promotion of Science (JSPS) [26410246, 24750208]
- ACT-C project of the Japan Science and Technology Agency (JST)
- Grants-in-Aid for Scientific Research [24750208, 26410246] Funding Source: KAKEN
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A method based on solid-state diffusion has been developed for the preparation of conductive nanodiamond (ND) powder that should be useful for application as a chemically inert electrode material with a large specific surface area. Heat treatment of a ND/boron powder mixture in H-2 atmosphere at 900 degrees C increased the conductivity from 2.0 x 10(-6) to 2.7 x 10(-3) S cm(-1). X-ray photoelectron spectroscopy measurements implied that the enhancement of conductivity originated from the solid-state diffusion of boron into ND from the surface.
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