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Towards outperforming conventional sensor arrays with fabricated individual photonic vapour sensors inspired by Morpho butterflies

Author

Listed:
  • Radislav A. Potyrailo

    (General Electric Global Research Center)

  • Ravi K. Bonam

    (College of Nanoscale Science and Engineering, State University of New York)

  • John G. Hartley

    (College of Nanoscale Science and Engineering, State University of New York)

  • Timothy A. Starkey

    (School of Physics, University of Exeter)

  • Peter Vukusic

    (School of Physics, University of Exeter)

  • Milana Vasudev

    (Materials and Manufacturing Directorate, Air Force Research Laboratory
    University of Massachusetts Dartmouth, Dartmouth)

  • Timothy Bunning

    (Materials and Manufacturing Directorate, Air Force Research Laboratory)

  • Rajesh R. Naik

    (Materials and Manufacturing Directorate, Air Force Research Laboratory)

  • Zhexiong Tang

    (General Electric Global Research Center)

  • Manuel A. Palacios

    (General Electric Global Research Center)

  • Michael Larsen

    (General Electric Global Research Center)

  • Laurie A. Le Tarte

    (General Electric Global Research Center)

  • James C. Grande

    (General Electric Global Research Center)

  • Sheng Zhong

    (General Electric Global Research Center)

  • Tao Deng

    (General Electric Global Research Center
    State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University)

Abstract

Combining vapour sensors into arrays is an accepted compromise to mitigate poor selectivity of conventional sensors. Here we show individual nanofabricated sensors that not only selectively detect separate vapours in pristine conditions but also quantify these vapours in mixtures, and when blended with a variable moisture background. Our sensor design is inspired by the iridescent nanostructure and gradient surface chemistry of Morpho butterflies and involves physical and chemical design criteria. The physical design involves optical interference and diffraction on the fabricated periodic nanostructures and uses optical loss in the nanostructure to enhance the spectral diversity of reflectance. The chemical design uses spatially controlled nanostructure functionalization. Thus, while quantitation of analytes in the presence of variable backgrounds is challenging for most sensor arrays, we achieve this goal using individual multivariable sensors. These colorimetric sensors can be tuned for numerous vapour sensing scenarios in confined areas or as individual nodes for distributed monitoring.

Suggested Citation

  • Radislav A. Potyrailo & Ravi K. Bonam & John G. Hartley & Timothy A. Starkey & Peter Vukusic & Milana Vasudev & Timothy Bunning & Rajesh R. Naik & Zhexiong Tang & Manuel A. Palacios & Michael Larsen &, 2015. "Towards outperforming conventional sensor arrays with fabricated individual photonic vapour sensors inspired by Morpho butterflies," Nature Communications, Nature, vol. 6(1), pages 1-12, November.
  • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms8959
    DOI: 10.1038/ncomms8959
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    Cited by:

    1. Hong Zhang & Zuobin Zhang & Zhou Li & Hongjie Han & Weiguo Song & Jianxin Yi, 2023. "A chemiresistive-potentiometric multivariate sensor for discriminative gas detection," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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