A durable plastic substrate for surface-enhanced Raman spectroscopy |
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| Authors: | Wang Lin |
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| Institution: | (1) Petroleum Recovery Research Center, New Mexico Institute of Mining and Technology, Socorro, NM 87801, USA;(2) Department of Petroleum & Natural Gas Engineering, New Mexico Institute of Mining and Technology, Socorro, NM 87801, USA;(3) Department of Chemistry, New Mexico Institute of Mining and Technology, Socorro, NM 87801, USA |
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| Abstract: | A novel durable substrate has been prepared for surface-enhanced Raman spectroscopy (SERS). The substrate is fabricated by
reduction of silver nitrate using poly(vinyl pyrrolidone) (PVP) polymer as stabilizers. The SERS-active particles are based
on poly(methylmethacrylate) (PMMA) materials, producing stable and optically translucent substrates. The stability of silver
particles on the substrate was demonstrated by characterizing the localized surface plasmon resonance (LSPR) band of the elemental
silver particles. The SERS activity was evaluated by detecting the signal from Raman probe molecules, Rhodamine 6G (R6G).
This plastic substrate material is easy to prepare, inexpensive, and sturdy for SERS applications. |
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