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Self-assembly of photochromic diarylethene–peptide conjugates stabilized by β-sheet formation at the liquid/graphite interface
- Nishitani, Nobuhiko, Hirose, Takashi, Matsuda, Kenji
- Chemical communications 2019 v.55 no.35 pp. 5099-5102
- chemical reactions, graphene, isomers, liquids, moieties, octanoic acid, oligopeptides, quantitative analysis, scanning tunneling microscopy
- Two-dimensional (2-D) self-assembly of diarylethene (DAE)–peptide conjugates at the octanoic acid/graphite interface was investigated by scanning tunnelling microscopy (STM). The open-ring isomer of a DAE–peptide conjugate formed a stable 2-D molecular assembly with an antiparallel β-sheet structure. Quantitative analysis of surface coverage depending on concentration revealed a stronger stabilization effect of the oligopeptide than that of the alkyl group with a similar side chain length.