Complementary templated positive and inverse sub-micron pyramids array for surface enhanced raman spectroscopy

Zhida Xu, Hsin Yu Wu, Syed Usman Ali, Jing Jiang, Brian T. Cunningham, Gang Logan Liu

研究成果: 書貢獻/報告類型會議貢獻

摘要

We demonstrate gold coated surface enhanced Raman scattering (SERS) substrates with a pair of complementary structures-positive and inverted pyramids array structures fabricated by polymer replication of each other. The SERS enhancement factors were measured uniformly as 7.2×104 for positive pyramids substrate while 1.6×106 for inverted pyramids substrate with Rhodamine 6G as the target analyte. Based on optical reflection measurement and finite difference time domain (FDTD) simulation result, we propose the explanation for the enhancement factor difference. It is attributed to plasmon resonance matching. With this simple, fast and versatile complementary molding process, we can produce SERS substrates with extremely low cost and high throughput.

原文英語
主出版物標題15th International Conference on Miniaturized Systems for Chemistry and Life Sciences 2011, MicroTAS 2011
頁面562-564
頁數3
1
出版狀態已發佈 - 2011
對外發佈Yes
事件15th International Conference on Miniaturized Systems for Chemistry and Life Sciences 2011, MicroTAS 2011 - Seattle, WA, 美国
持續時間: 十月 2 2011十月 6 2011

其他

其他15th International Conference on Miniaturized Systems for Chemistry and Life Sciences 2011, MicroTAS 2011
國家美国
城市Seattle, WA
期間10/2/1110/6/11

ASJC Scopus subject areas

  • Control and Systems Engineering

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  • 引用此

    Xu, Z., Wu, H. Y., Ali, S. U., Jiang, J., Cunningham, B. T., & Liu, G. L. (2011). Complementary templated positive and inverse sub-micron pyramids array for surface enhanced raman spectroscopy. 於 15th International Conference on Miniaturized Systems for Chemistry and Life Sciences 2011, MicroTAS 2011 (卷 1, 頁 562-564)