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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

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

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Marangoni, Valeria S. [1] ; Germano, Lucas D. [1] ; Silva, Cecilia C. C. [1] ; de Souza, Eunezio A. [1] ; Maroneze, Camila M. [1]
Total Authors: 5
[1] Univ Prebiteriana Mackenzie, MackGraphe Graphene & Nanomat Res Ctr, BR-01302907 Sao Paulo - Brazil
Total Affiliations: 1
Document type: Journal article
Source: NANOSCALE; v. 10, n. 28, p. 13315-13319, JUL 28 2018.
Web of Science Citations: 2

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 (approximate to 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. (AU)

FAPESP's process: 12/50259-8 - Graphene: photonics and opto-electronics: UPM-NUS collaboration
Grantee:Antônio Hélio de Castro Neto
Support type: Research Projects - SPEC Program
FAPESP's process: 16/20799-1 - Van der Waals heterostructure architectures in liquid media: application in photonic devices
Grantee:Valéria Spolon Marangoni
Support type: Scholarships in Brazil - Post-Doctorate