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Licensed Unlicensed Requires Authentication Published by De Gruyter (O) September 25, 2009

Metallization of Organic Monolayers: Electroless Deposition of Cu onto Cross-Linked Aromatic Self-Assembled Monolayers

Christoph T. Nottbohm , Andrey Turchanin and Armin Gölzhäuser

We demonstrate the metallization of amino-terminated, cross-linked biphenylthiol self-assembled monolayers (SAMs) via Pd catalysed electroless deposition (ELD) of Cu. Angle resolved X-ray photoelectron spectroscopy and atomic force microscopy were used for characterization. Lateral cross-linking and generation of terminal amino groups are induced by irradiation with low energy electrons. The cross-linked SAM suppresses the ELD of Cu onto the Au substrate. By the immobilization of Pd atoms to the terminal amino groups, catalytic sites are created in cross-linked areas. These sites then facilitate the electroless deposition of Cu on top of the SAM.

*Corresponding author. E-mail:

Received: 2007-7-12
Accepted: 2008-1-10
Published Online: 2009-9-25
Published in Print: 2008-5-1

© Oldenbourg Wissenschaftsverlag

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