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Semiconductor Physics, Quantum Electronics & Optoelectronics. 2010. V. 13, N 2. P. 151-153.
SERS of dye film deposited onto gold nano-clusters
V. Lashkaryov Institute of Semiconductor Physics, NAS of Ukraine,
41, prospect Nauky, 03028 Kyiv, Ukraine
Abstract. Gold nanoclusters were obtained by co-deposition of and
polytetrafluoroethylene (PTFE) in vacuum with various gold concentrations. The films
deposited were undergone to heating at various temperatures in air. Transformation of
ensemble morphology after heating was studied using atomic force microscope (AFM).
Raman scattering spectra of an ultra-thin film of Rhodamine 6G deposited onto
substrates with gold nano-clusters of different morphology were recorded. The best
substrate gave strong amplification of the Raman scattering signal from Rhodamine 6G
film. Therefore, produced Au nano-clusters are suitable for surface enhanced Raman
scattering spectroscopy of nano-quantities of material.
Keywords: gold, polytetrafluoroethylene, film, annealing, nano-cluster, dye, SERS.
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