Issue 10, 2013
From the journal:

Nanoscale

Surface-enhanced Raman spectroscopy with monolithic nanoporous gold disk substrates†

Ji Qi,a   Pratik Motwani,a   Mufaddal Gheewala,a   Christopher Brennan,a   John C. Wolfea  and  Wei-Chuan Shih*a  

* Corresponding authors

a Department of Electrical and Computer Engineering, University of Houston, 4800 Calhoun Road, Houston, Texas 77204, USA
E-mail: wshih@uh.edu

Abstract

Monolithic hierarchical nanoporous gold disks, 500 nm in diameter, 75 nm in thickness and 3.5 nm in pore radius, have been fabricated by hybrid processes. A surface-enhanced Raman scattering enhancement factor of at least 108 has been obtained on individual disks using benzenethiol self-assembled monolayer with 785 nm laser excitation.

Graphical abstract: Surface-enhanced Raman spectroscopy with monolithic nanoporous gold disk substrates

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Article information

DOI
https://doi.org/10.1039/C2NR33242F
Article type
Communication
Submitted
18 Oct 2012
Accepted
20 Dec 2012
First published
03 Jan 2013

Nanoscale, 2013,5, 4105-4109

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Surface-enhanced Raman spectroscopy with monolithic nanoporous gold disk substrates

J. Qi, P. Motwani, M. Gheewala, C. Brennan, J. C. Wolfe and W. Shih, Nanoscale, 2013, 5, 4105 DOI: 10.1039/C2NR33242F

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