Porous biosilica from diatom frustules is well known for its peculiar optical and mechanical properties. In this work, gold-coated diatom frustules are used as low-cost, ready available, functional support for surface-enhanced Raman scattering. Due to the morphology of the nanostructured surface and the smoothness of gold deposition via an electroless process, an enhancement factor for the p-mercaptoaniline Raman signal of the order of 105 is obtained.
CITATION STYLE
Pannico, M., Rea, I., Chandrasekaran, S., Musto, P., Voelcker, N. H., & De Stefano, L. (2016). Electroless Gold-Modified Diatoms as Surface-Enhanced Raman Scattering Supports. Nanoscale Research Letters, 11(1). https://doi.org/10.1186/s11671-016-1539-x
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