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Issue 28, 2018

Engineering two-dimensional gold nanostructures using graphene oxide nanosheets as a template

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Abstract

The rich plasmon resonance modes and local field enhancements of two-dimensional (2D) noble metal nanostructures have boosted their application in distinct areas like catalysis, photonics, medicine and sensing. Here, we develop a unique strategy for the controlled growth of asymmetric 2D gold nanostructures in aqueous media using graphene oxide as a template. By performing mild reduction of gold ions on the surface of Au seeds (∼2 nm) attached to graphene oxide nanosheets, the anisotropic growth of 2D gold nanostructures can be carried out through a simple procedure with a tunable control of the final size, shape and thickness, and consequently on their optical properties, without using surfactants.

Graphical abstract: Engineering two-dimensional gold nanostructures using graphene oxide nanosheets as a template

Supplementary files

Article information


Submitted
09 Apr 2018
Accepted
27 Jun 2018
First published
04 Jul 2018

Nanoscale, 2018,10, 13315-13319
Article type
Communication

Engineering two-dimensional gold nanostructures using graphene oxide nanosheets as a template

V. S. Marangoni, L. D. Germano, C. C. C. Silva, E. A. de Souza and C. M. Maroneze, Nanoscale, 2018, 10, 13315 DOI: 10.1039/C8NR02855A

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