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Interaction potential surface between Raman scattering enhancing nanoparticles conjugated with a functional copolymer

Abstract

A novel Raman scattering enhancement was discovered using colloid nanoparticles conjugated with an amine-based copolymer. The interaction potential surface between Raman scattering enhancing nanoparticles was clarified by combining a small-angle scattering method and a model-potential-free liquid-state theory as an in situ observation under solution state. The potential surface indicates that the most stable position is located around 0.9 nm from the particle surface, suggesting the existence of a nanogap structure between the nanocomposites. The change in Raman scattering enhancement was also acquired during the dispersion process of the aggregated nanocomposites through a glutathione-triggered nanosensing reaction.

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Supplementary files

Publication details

The article was accepted on 23 Apr 2019 and first published on 15 May 2019


Article type: Paper
DOI: 10.1039/C9CP01946D
Phys. Chem. Chem. Phys., 2019, Accepted Manuscript

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    Interaction potential surface between Raman scattering enhancing nanoparticles conjugated with a functional copolymer

    T. Morita, Y. Ogawa, H. Imamura, K. Ookubo, N. Uehara and T. Sumi, Phys. Chem. Chem. Phys., 2019, Accepted Manuscript , DOI: 10.1039/C9CP01946D

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