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Calixarene Assisted Rapid Synthesis of Silver-Graphene Nanocomposites with Enhanced Antibacterial Activity

Kellici, Suela; Acord, John; Vaughn, Arni; Power, Nicholas P.; Morgan, David J.; Heil, Tobias; Facq, Sébastien P. and Lampronti, Giulio I. (2016). Calixarene Assisted Rapid Synthesis of Silver-Graphene Nanocomposites with Enhanced Antibacterial Activity. ACS Applied Materials & Interfaces, 8(29) pp. 19038–19046.

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DOI (Digital Object Identifier) Link: https://doi.org/10.1021/acsami.6b06052
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Abstract

Demonstrated herein is a single rapid approach employed for synthesis of Ag–graphene nanocomposites, with excellent antibacterial properties and low cytotoxicity, by utilizing a continuous hydrothermal flow synthesis (CHFS) process in combination with p-hexasulfonic acid calix[6]arene (SCX6) as an effective particle stabilizer. The nanocomposites showed high activity against E. coli (Gram-negative) and S. aureus (Gram-positive) bacteria. The materials were characterized using a range of techniques including transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, UV–vis spectrophotometry, FT-IR, and X-ray powder diffraction (XRD). This rapid, single step synthetic approach not only provides a facile means of enabling and controlling graphene reduction (under alkaline conditions) but also offers an optimal route for homogeneously producing and depositing highly crystalline Ag nanostructures into reduced graphene oxide substrate.

Item Type: Journal Item
Copyright Holders: 2016 American Chemical Society
ISSN: 1944-8244
Keywords: antibacterial; calixarene; graphene; hydrothermal; nanocomposite; silver
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Life, Health and Chemical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 46893
Depositing User: Nicholas Power
Date Deposited: 29 Jul 2016 13:38
Last Modified: 01 May 2019 21:09
URI: http://oro.open.ac.uk/id/eprint/46893
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