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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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Publication details

The article was received on 26 Sep 2011, accepted on 28 Nov 2011 and first published on 16 Dec 2011


Article type: Paper
DOI: 10.1039/C2LC20926H
Citation: Lab Chip, 2012,12, 876-881
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    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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