A 3:1 site-differentiated [4Fe-4S] cluster immobilized on a self-assembled monolayer

E.P.L. Van Der Geer, C.R. Van Den Brom, I. Arfaoui, Laurent Houssiau, P. Rudolf, G. Van Koten, R.J.M.K. Gebbink, B. Hessen

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Abstract

A 3:1 site-differentiated [4Fe-4S] cluster is immobilized on a thiol-functionalized self-assembled monolayer (SAM) on Au(111) by thiol-thiolate exchange chemistry. Fe 2p signals observed by X-ray photoelectron spectroscopy support the presence of [4Fe-4S] clusters at the SAM surface; further evidence comes from the detection of n-BuN and cluster-derived species by secondary-ion mass spectrometry. The immobilizing interaction is sufficiently strong to allow the study of [4Fe-4S] clusters at solid-liquid interfaces.
Original languageEnglish
Pages (from-to)17225-17230
Number of pages6
JournalJournal of Physical Chemistry C
Volume112
Issue number44
DOIs
Publication statusPublished - 6 Nov 2008

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    Van Der Geer, E. P. L., Van Den Brom, C. R., Arfaoui, I., Houssiau, L., Rudolf, P., Van Koten, G., Gebbink, R. J. M. K., & Hessen, B. (2008). A 3:1 site-differentiated [4Fe-4S] cluster immobilized on a self-assembled monolayer. Journal of Physical Chemistry C, 112(44), 17225-17230. https://doi.org/10.1021/jp805532m