COOH-terminated SAMs on gold fabricated from an azobenzene derivative with a 1,2-dithiolane headgroup

Ulrich Siemeling, Stefan Rittinghaus, Tobias Weidner, Jeremy Brison, David G. Castner

Research output: Contribution to journal/Conference contribution in journal/Contribution to newspaperJournal articleResearchpeer-review

Abstract

Well-defined and homogeneous, contamination-free self-assembled monolayers (SAMs) were fabricated by the chemisorption of lip-NH-p-C6H4-N=N-p-C6H4-COOH (lip = α-lipoyl) onto gold. This adsorbate species is composed of a 1,2-dithiolane-based headgroup, an azobenzene-based (and hence photochromic) spacer unit and a carboxylic acid functional group. The SAM constituents are covalently attached to the substrate by the bidentate thiolate anchor groups and exhibit a strongly tilted binding configuration.

Original languageEnglish
JournalApplied Surface Science
Volume256
Issue6
Pages (from-to)1832-1836
Number of pages5
ISSN0169-4332
DOIs
Publication statusPublished - 2010
Externally publishedYes

Keywords

  • Journal Article

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