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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
  • , L. Houssiau
  • , P. Rudolf
  • , G. van Koten
  • , R.J.M. Klein Gebbink
  • , B. Hessen
  • extern

Research output: Contribution to journalArticleAcademicpeer-review

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-Bu4N+ 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 languageUndefined/Unknown
Pages (from-to)17225-17230
Number of pages6
JournalJournal of Physical Chemistry C
Volume112
Issue number44
Publication statusPublished - 2008

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