Large surface-enhanced Raman scattering from self-assembled gold nanosphere monolayers

Jake Fontana, John Livenere, Francisco J. Bezares, Joshua D. Caldwell, Ronald Rendell, Banahalli R. Ratna
  • Applied Physics Letters, May 2013, American Institute of Physics
  • DOI: 10.1063/1.4807659

Large SERS enhancement from macroscopic self-assembled films

What is it about?

Scientists develop a low-cost, large-area and tunable platform to detect trace amounts of hazardous molecules like explosives and pesticides. The platform increases the signal from the target molecules nearly 100 million-fold and may be a good candidate for a wide range of chemical sensing environments.

Why is it important?

We demonstrate a simple and straightforward self-assembly technique producing large-area benzenethiol-coated gold nanosphere films on non-templated substrates with SERS enhancements comparable to those produced with top-down approaches.

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