Journal
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 11, Issue 4, Pages 730-734Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b814406k
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Funding
- Japan Society for the Promotion of Science (JSPS) [20560029]
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A useful method of modifying the surface of diamond powder with sulfur-containing functionalities was developed by the photolysis of elemental sulfur. The introduction of sulfur-containing functional groups on the diamond surfaces was confirmed by X-ray photoelectron spectroscopy (XPS), diffuse reflectance Fourier transform infrared spectroscopy (DRIFT) and mass spectroscopy analyses. The sulfur-modified diamond powder attached to gold surfaces through sulfur-containing linkages. In brief, the exposure of the modified diamond powder to a gold colloid resulted in gold nanoparticles being attached to the diamond powder. The treatment of the modified diamond powder with thin gold film on a Si substrate resulted in the alignment of surface-attached diamond powder through sulfur linkages formed by self-assembly.
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