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Advanced Materials

Direct Transfer of Subwavelength Plasmonic Nanostructures on Bioactive Silk Films

Authors

  • Dianmin Lin,

    1. Department of Electrical and Computer Engineering & Photonic Center, Boston University, Boston, MA 02215, USA
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  • Hu Tao,

    1. Department of Biomedical Engineering, Tufts University, 4 Colby Street, Medford, MA 02155, USA
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  • Jacob Trevino,

    1. Division of Materials Science and Engineering, Boston University, Brookline, MA 02446, USA
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  • Jessica P. Mondia,

    1. Department of Biomedical Engineering, Tufts University, 4 Colby Street, Medford, MA 02155, USA
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  • David L. Kaplan,

    1. Department of Biomedical Engineering, Tufts University, 4 Colby Street, Medford, MA 02155, USA
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  • Fiorenzo G. Omenetto,

    1. Department of Biomedical Engineering, Tufts University, 4 Colby Street, Medford, MA 02155, USA
    2. Department of Physics, Tufts University, 4 Colby Street, Medford, MA 02155, USA
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  • Luca Dal Negro

    Corresponding author
    1. Department of Electrical and Computer Engineering & Photonic Center, Boston University, Boston, MA 02215, USA
    2. Division of Materials Science and Engineering, Boston University, Brookline, MA 02446, USA
    • Department of Electrical and Computer Engineering & Photonic Center, Boston University, Boston, MA 02215, USA.
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Abstract

By a reusable transfer fabrication technique, we demonstrate high-fidelity fabrication of metal nanoparticles, optical nanoantennas, and nanohole arrays directly on a functional silk biopolymer. The ability to reproducibly pattern silk biopolymers with arbitrarily complex plasmonic arrays is of importance for a variety of applications in optical biosensing, tissue engineering, cell biology, and the development of novel bio-optoelectronic medical devices.

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