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Issue 5, 2012
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Batch fabrication of disposable screen printed SERS arrays

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Abstract

A novel facile method of fabricating disposable and highly reproducible surface-enhanced Raman spectroscopy (SERS) arrays using screen printing was explored. The screen printing ink containing silver nanoparticles was prepared and printed on supporting materials by a screen printing process to fabricate SERS arrays (6 × 10 printed spots) in large batches. The fabrication conditions, SERS performance and application of these arrays were systematically investigated, and a detection limit of 1.6 × 10−13 M for rhodamine 6G could be achieved. Moreover, the screen printed SERS arrays exhibited high reproducibility and stability, the spot-to-spot SERS signals showed that the intensity variation was less than 10% and SERS performance could be maintained over 12 weeks. Portable high-throughput analysis of biological samples was accomplished using these disposable screen printed SERS arrays.

Graphical abstract: Batch fabrication of disposable screen printed SERS arrays

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Supplementary files

Article information


Submitted
26 Sep 2011
Accepted
28 Nov 2011
First published
16 Dec 2011

Lab Chip, 2012,12, 876-881
Article type
Paper

Batch fabrication of disposable screen printed SERS arrays

L. Qu, D. Li, J. Xue, W. Zhai, J. S. Fossey and Y. Long, Lab Chip, 2012, 12, 876
DOI: 10.1039/C2LC20926H

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