Plasmonics-active gold nanostars for chemical and biological sensing using SERS detection

Yang Liu; Hsiangkuo Yuan; Andrew M. Fales; Tuan Vo-Dinh

doi:10.1117/12.2182123

13 May 2015 Plasmonics-active gold nanostars for chemical and biological sensing using SERS detection

Yang Liu, Hsiangkuo Yuan, Andrew M. Fales, Tuan Vo-Dinh

Proceedings Volume 9486, Advanced Environmental, Chemical, and Biological Sensing Technologies XII; 948607 (2015) https://doi.org/10.1117/12.2182123
Event: SPIE Sensing Technology + Applications, 2015, Baltimore, MD, United States

Abstract

Surface-enhanced Raman scattering (SERS) provides a non-destructive sensing method with high sensitivity and multiplex detection capability since SERS takes advantage of high enhancement from surface plasmon resonance and unique “fingerprint” spectral signature using Raman spectroscopy. Our group has developed a unique plasmonics-active nanoparticle, gold nanostars, with tunable plasmonics in near-infrared (NIR) “tissue optical window” without using toxic surfactant. We present their applications for chemical and biological sensing with SERS method as well as theoretical studies to investigate and confirm experimentally measured SERS results.

Citation Download Citation

Yang Liu, Hsiangkuo Yuan, Andrew M. Fales, and Tuan Vo-Dinh "Plasmonics-active gold nanostars for chemical and biological sensing using SERS detection", Proc. SPIE 9486, Advanced Environmental, Chemical, and Biological Sensing Technologies XII, 948607 (13 May 2015); https://doi.org/10.1117/12.2182123

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