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Type: Journal article
Title: Self-assembled calixarene aligned patterning of noble metal nanoparticles on graphene
Author: Chen, X.
Vimalanathan, K.
Zang, W.
Slattery, A.
Boulos, R.
Gibson, C.
Raston, C.
Citation: Nanoscale, 2014; 6(9):4517-4520
Publisher: Royal Society of Chemistry
Issue Date: 2014
ISSN: 2040-3364
Statement of
Xianjue Chen, Kasturi Vimalanathan, Wenzhe Zang, Ashley D. Slattery, Ramiz A. Boulos, Christopher T. Gibson and Colin L. Raston
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 hexagonalmotif of graphite/graphene.
Rights: This journal is © The Royal Society of Chemistry 2014
DOI: 10.1039/c3nr06857a
Grant ID: ARC
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