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Title: Plasmon-induced heating effect in surface enhanced raman scattering
Authors: Kho, K.W.
Shen, Z.X.
Lei, Z.
Watt, F. 
Soo, K.C.
Olivo, M.
Keywords: Convection cooling
Plasmon-induced heat
Surface Enhanced Raman Spectroscopy
Issue Date: 2006
Citation: Kho, K.W., Shen, Z.X., Lei, Z., Watt, F., Soo, K.C., Olivo, M. (2006). Plasmon-induced heating effect in surface enhanced raman scattering. Progress in Biomedical Optics and Imaging - Proceedings of SPIE 6095 : -. ScholarBank@NUS Repository.
Abstract: Surface enhanced Raman spectroscopy (SERS) discovered some 30 years ago has gained popularity as a powerful analytical tool for developing chemo- and bio-sensing. The combination of SERS with the microfluidics technology can provide a miniaturized and portable device for bio-fluid analysis. However, as will be pointed out in this study, heat generated in a SERS-active substrate as a result of laser-induced plasmon resonance can unfavorably affect the sensitivity of a SERS-based microfluidic device. We will show that the plasmon-induced heat associated with SERS can significantly reduce the signal strength from the analyte under certain circumstances, and show heat-induced morphological changes in the SERS-active substrate as a primary cause of the observed signal changes. This study indicates that sufficient heat dissipation is crucial for the proper working of a SERS-based microfluidic device.
Source Title: Progress in Biomedical Optics and Imaging - Proceedings of SPIE
ISBN: 0819461377
ISSN: 16057422
DOI: 10.1117/12.651223
Appears in Collections:Staff Publications

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