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Surface Enhanced Raman Scattering on Anodized Alumina Templates for Bio-sensing Applications

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Abstract

SERS substrate was fabricated by depositing silver on anodized aluminum oxide (AAO) template. The thickness of the AAO template was 200 nm with 40 nm circular pore and 15 nm spacing. SERS effect was observed on these metal coated structures due to electric field enhancement around the edge of the pores. Para-Nitrophenol (pnp) solution of 10−6 M concentration was detected which refers to an enhancement factor of 104.

Keywords

  • SERS
  • Anodized aluminum oxide template
  • Enhancement factor

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References

  1. K. Kneipp, H. Kneipp, M. Moskovits, “Surface-Enhanced Raman Scattering: Physics and Applications”, Springer (2006).

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  2. Nevin Ta¸saltın, Sadullah Öztürk, Necmettin Kılınç, Hayrettin Yüzer, Zafer Ziya Öztürk, Appl. Phys. A, 95, 781–787 (2009).

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Acknowledgements

This work has been funded by Ministry of Communications and Information Technology, Department of Science and Technology and Defence Research and Development Organisation. Fabrication and characterization of the substrates were carried out in National Nano Fabrication Centre, IISc and Micro Nano Characterization Facility, IISc.

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Correspondence to Deepak Ranjan Nayak .

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Nayak, D.R., Bhat, N., Umapathy, S. (2014). Surface Enhanced Raman Scattering on Anodized Alumina Templates for Bio-sensing Applications. In: Jain, V., Verma, A. (eds) Physics of Semiconductor Devices. Environmental Science and Engineering(). Springer, Cham. https://doi.org/10.1007/978-3-319-03002-9_145

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