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Issue 33, 2015

Magnetic gold nanotriangles by microwave-assisted polyol synthesis

Author affiliations

Abstract

Simple approaches to synthesize hybrid nanoparticles with magnetic and plasmonic functionalities, with high control of their shape and avoiding cytotoxic reactants, to target biomedical applications remain a huge challenge. Here, we report a facile, fast and bio-friendly microwave-assisted polyol route for the synthesis of a complex multi-material consisting of monodisperse gold nanotriangles around 280 nm in size uniformly decorated by superparamagnetic iron oxide nanoparticles of 5 nm. These nanotriangles are readily dispersible in water, display a strong magnetic response (10 wt% magnetic fraction) and exhibit a localized surface plasmon resonance band in the NIR region (800 nm). Moreover, these hybrid particles can be easily self-assembled at the liquid–air interfaces.

Graphical abstract: Magnetic gold nanotriangles by microwave-assisted polyol synthesis

Supplementary files

Article information


Submitted
12 May 2015
Accepted
16 Jul 2015
First published
21 Jul 2015

Nanoscale, 2015,7, 14039-14046
Article type
Paper
Author version available

Magnetic gold nanotriangles by microwave-assisted polyol synthesis

S. Yu, J. A. Hachtel, M. F. Chisholm, S. T. Pantelides, A. Laromaine and A. Roig, Nanoscale, 2015, 7, 14039 DOI: 10.1039/C5NR03113C

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