NDLI: Direct growth of plasmonic nanorod forests on paper substrates for low-cost flexible 3D SERS platforms

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Direct growth of plasmonic nanorod forests on paper substrates for low-cost flexible 3D SERS platforms

Content Provider	Scilit
Author	Araujo, Andreia Pimentel, Ana Oliveira, Maria João Mendes, Manuel Joao Franco, Ricardo Fortunato, Elvira Águas, Hugo Martins, Rodrigo
Copyright Year	2017
Description	Journal: Flexible and Printed Electronics Paper substrates, coated with ZnO nanorods (NRs) decorated with Ag nanoparticles (NPs), allowed the production of inexpensive, highly-performing and extremely reproducible three-dimensional (3D) SERS platforms. The ZnO NRs were synthesized by a simple, fast and low-temperature hydrothermal method assisted by microwave radiation and made SERS-active by decorating them with a dense array of silver nanoparticles deposited via a single-step thermal evaporation technique. Using Rhodamine 6G (R6G) as a probe molecule, with an amount down to $10^{−9}$ M, the SERS substrates allowed a Raman signal enhancement of $10^{7}$. The contribution of the inter-Ag-NPs gaps for 3D geometry, ZnO NRs orientation and the large sensing area allowed by the NR scaffolds, were determinant factors for the significant Raman enhancement observed. The results demonstrate that plasmonic nanorod forests, covered with Ag NPs, are efficient SERS substrates with the advantages of being recyclable, flexible, lightweight, portable, biocompatible and extremely low-cost.
Related Links	http://iopscience.iop.org/article/10.1088/2058-8585/2/1/014001/pdf
e-ISSN	20588585
DOI	10.1088/2058-8585/2/1/014001
Journal	Flexible and Printed Electronics
Issue Number	1
Volume Number	2
Language	English
Publisher	IOP Publishing
Publisher Date	2017-01-20
Access Restriction	Open
Subject Keyword	Journal: Flexible and Printed Electronics Plasmonic Nanorod Forests
Content Type	Text
Resource Type	Article

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