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Fractional surface termination of diamond by electrochemical oxidation

: Hoffmann, R.; Obloh, H.; Tokuda, N.; Yang, N.; Nebel, C.E.


Langmuir. The ACS journal of surfaces and colloids 28 (2012), No.1, pp.47-50
ISSN: 0743-7463
ISSN: 1520-5827
Journal Article
Fraunhofer IAF ()

The crystalline form of sp3-hybridized carbon, diamond, offers various electrolyte-stable surface terminations. The H-termination-selective attachment of nitrophenyl diazonium, imaged by AFM, shows that electrochemical oxidation can control the fractional hydrogen/oxygen surface termination of diamond on the nanometer scale. This is of particular interest for all applications relying on interfacial electrochemistry, especially for biointerfaces.