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Hyperspectral infrared nanoimaging of organic samples based on Fourier transform infrared nanospectroscopy

Author

Listed:
  • Iban Amenabar

    (CIC nanoGUNE)

  • Simon Poly

    (CIC nanoGUNE
    IFIB - Interfaculty Institute of Biochemistry)

  • Monika Goikoetxea

    (CIC nanoGUNE
    Metallic Surfaces Unit, IK4-CIDETEC)

  • Wiwat Nuansing

    (CIC nanoGUNE)

  • Peter Lasch

    (Robert Koch Institut)

  • Rainer Hillenbrand

    (CIC NanoGUNE and UPV/EHU
    IKERBASQUE, Basque Foundation for Science)

Abstract

Infrared nanospectroscopy enables novel possibilities for chemical and structural analysis of nanocomposites, biomaterials or optoelectronic devices. Here we introduce hyperspectral infrared nanoimaging based on Fourier transform infrared nanospectroscopy with a tunable bandwidth-limited laser continuum. We describe the technical implementations and present hyperspectral infrared near-field images of about 5,000 pixel, each one covering the spectral range from 1,000 to 1,900 cm−1. To verify the technique and to demonstrate its application potential, we imaged a three-component polymer blend and a melanin granule in a human hair cross-section, and demonstrate that multivariate data analysis can be applied for extracting spatially resolved chemical information. Particularly, we demonstrate that distribution and chemical interaction between the polymer components can be mapped with a spatial resolution of about 30 nm. We foresee wide application potential of hyperspectral infrared nanoimaging for valuable chemical materials characterization and quality control in various fields ranging from materials sciences to biomedicine.

Suggested Citation

  • Iban Amenabar & Simon Poly & Monika Goikoetxea & Wiwat Nuansing & Peter Lasch & Rainer Hillenbrand, 2017. "Hyperspectral infrared nanoimaging of organic samples based on Fourier transform infrared nanospectroscopy," Nature Communications, Nature, vol. 8(1), pages 1-10, April.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_ncomms14402
    DOI: 10.1038/ncomms14402
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    Cited by:

    1. Xuezhi Ma & Qiushi Liu & Ning Yu & Da Xu & Sanggon Kim & Zebin Liu & Kaili Jiang & Bryan M. Wong & Ruoxue Yan & Ming Liu, 2021. "6 nm super-resolution optical transmission and scattering spectroscopic imaging of carbon nanotubes using a nanometer-scale white light source," Nature Communications, Nature, vol. 12(1), pages 1-7, December.
    2. Ziwei Liu & Jingning Wu & Chen Cai & Bo Yang & Zhi-mei Qi, 2022. "Flexible hyperspectral surface plasmon resonance microscopy," Nature Communications, Nature, vol. 13(1), pages 1-15, December.
    3. Divya Virmani & Carlos Maciel-Escudero & Rainer Hillenbrand & Martin Schnell, 2024. "Experimental verification of field-enhanced molecular vibrational scattering at single infrared antennas," Nature Communications, Nature, vol. 15(1), pages 1-12, December.

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