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We demonstrate the potential of combining plasmonic Bragg grating structures, with the scattering effect of a rough Al layer to tune SERS enhancement in the visible region. Novel Al-based substrates with good analytical reproducibility and enhancement factors in the range of 107-109 are produced by a scalable procedure which meets the development of producing sustainable SERS platforms.
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Gómez et al. (2018) studied this question.
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