Abstract
We report on the functionalization of nanocrystalline nc-Si/SiO2 semiconductor quantum dots (QDs) by short d(20G, 20T) oligonucleotides. The obtained complexes have been studied by Raman spectroscopy techniques with high spectral and spatial resolution. A new phenomenon of multiband resonant light scattering on single oligonucleotide molecules has been discovered, and peculiarities of this effect related to the nonradiative transfer of photoexcitation from nc-Si/SiO2 quantum dots to d(20G, 20T) oligonucleotide molecules have been revealed.
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Original Russian Text © F.B. Bairamov, E.D. Poloskin, A.A. Kornev, A.L. Chernev, V.V. Toporov, M.V. Dubina, C. Röder, C. Sprung, H. Lipsanen, B.Kh. Bairamov, 2014, published in Pis’ma v Zhurnal Tekhnicheskoi Fiziki, 2014, Vol. 40, No. 22, pp. 105–110.
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Bairamov, F.B., Poloskin, E.D., Kornev, A.A. et al. Resonant raman scattering in complexes of nc-Si/SiO2 quantum dots and oligonucleotides. Tech. Phys. Lett. 40, 1035–1037 (2014). https://doi.org/10.1134/S1063785014110182
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DOI: https://doi.org/10.1134/S1063785014110182