Covalent Attachment of 1-Alkenes to Oxidized Platinum Surfaces

J.M. Alonso Carnicero, B. Fabre, A.K. Trilling, L.M.W. Scheres, M.C.R. Franssen, H. Zuilhof

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)

Abstract

We report the formation of covalently bound alkyl layers onto oxidized Pt (PtOx) substrates by reaction with 1-alkenes as a novel way to bind organic molecules to metal surfaces. The organic layers were characterized by static contact angle, infrared reflection absorption spectroscopy (IRRAS), X-ray photoelectron spectroscopy (XPS), and atomic force microscopy (AFM). The grafted alkyl layers display a hydrolytic stability that is comparable to that of alkyl thiols on Au. PtOx-alkene attachment is compatible with terminal ester moieties enabling further anchoring of functional groups, such as redox-active ferrocene, and thus has great potential to extend monolayer chemistry on noble metals.
Original languageEnglish
Pages (from-to)2714-2721
JournalLangmuir
Volume31
Issue number9
DOIs
Publication statusPublished - 2015

Keywords

  • self-assembled monolayers
  • organic monolayers
  • gold
  • alkanethiols
  • functionalization
  • spectroscopy
  • activation
  • alkenes
  • layers
  • films

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