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SERS Active Surface in Two Steps, Patterning and Metallization

Authors

  • Diego Acevedo,

    Corresponding author
    1. Departamento de Química, Universidad Nacional de Río Cuarto, X5804ZAB, Ruta Nacional 36 Km 601, Río Cuarto, Córdoba, Argentina
    • Departamento de Química, Universidad Nacional de Río Cuarto, X5804ZAB, Ruta Nacional 36 Km 601, Río Cuarto, Córdoba, Argentina
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  • Horacio Salavagione,

    1. Grupo de Física de Polímeros, Departamento de Fisica de Polímeros, Elastómeros y Aplicaciones Energéticas, Instituto de Ciencia y Tecnología de Polímeros, ICTP, 28006, Juan de la Cierva 3, Madrid, Spain
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  • Andrés Lasagni,

    1. Fraunhofer Institute for Material and Beam Technology, Winterberg Str. 28, 01277 Dresden, Germany
    2. Institute for Manufacturing Technology, George-Bähr-Str. 3c, 01069 Dresden, Germany
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  • Emilia Morallón,

    1. Departamento de Química Física e Instituto Universitario de Materiales, Universidad de Alicante, 03690 Apartado 99, Alicante, Spain
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  • Frank Mücklich,

    1. Department for Materials Science, Functional Materials, Saarland University, D-66123, Building D3, 3. Stock, P.O. Box 15 11 50, Saarbrücken, Germany
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  • César Barbero

    1. Departamento de Química, Universidad Nacional de Río Cuarto, X5804ZAB, Ruta Nacional 36 Km 601, Río Cuarto, Córdoba, Argentina
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  • The research work of Prof. Mücklich was supported by the Alfred Krupp Prize for Young University Teachers awarded by the Krupp Foundation. D. Acevedo and C. Barbero are permanent fellows of CONICET. The authors acknowledge the International Bureaus of the Federal Ministry of Education and Research (BMBF, Germany) and the Secretary of Science and Technology (SeCyT, Argentina) for financial support (Bilateral Cooperation Germany – Argentina, project “Advanced Design of Electrochemical Functional Materials using Direct Laser Interference Patterning”). D. Acevedo thanks the EU (IRSES project “NanoCom Network”. Pr. no: 247524) for the financial support for the scientist's mobility.

Abstract

Robust and reproducible metallized nano/microstructured surfaces of polymeric surfaces have been successfully prepared by direct laser interference patterning (DLIP) of commercial polymeric films followed by sputtering of metallic thin films. The SERS spectra for 2-thioaniline adsorbed on a structured polycarbonate surfaces covered with a gold or platinum film showed a ca. three order of magnitude enhancement over a flat surface with the same metal film. The method here reported is suitable for mass production of substrates for SERS since large areas (several cm2) can be structured in ca. 1–5 s.

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