Self-assembled calixarene aligned patterning of noble metal nanoparticles on graphene

Xianjue Chen, Kasturi Vimalanathan, Wenzhe Zang, Ashley Slattery, Ramiz Boulos, Christopher Gibson, Colin Raston

    Research output: Contribution to journalArticle

    14 Citations (Scopus)

    Abstract

    Patterns of noble metal nanoparticles (NMNPs) of ruthenium and platinum are formed on p-phosphonic acid calix[8]arene stabilised graphene in water. This involves hydrogen gas induced reduction of metal ions absorbed on the stabilised graphene, with TEM revealing the patterns being comprised of domains of parallel arrays of NMNPs ∼7 nm apart. The domains are orientated in three directions on each graphene sheet at an angle of ∼60° or ∼120° with respect to each other. AFM of self-assembled p-phosphonic acid calix[8]arene on the surface of a highly ordered pyrolytic graphite (HOPG) revealed a similar pattern, implying that the orientation of the assembly of p-phosphonic acid calix[8]arene is governed by the hexagonal motif of graphite/graphene.

    Original languageEnglish
    Pages (from-to)4517-4520
    Number of pages4
    JournalNanoscale
    Volume6
    Issue number9
    DOIs
    Publication statusPublished - 2014

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