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Photothermal AFM-IR spectroscopy and imaging: Status, challenges, and trends

Journal of applied physics, 2022-01, Vol.131 (1) [Peer Reviewed Journal]

Author(s) ;2022 Author(s). Published under an exclusive license by AIP Publishing. ;Distributed under a Creative Commons Attribution 4.0 International License ;ISSN: 0021-8979 ;EISSN: 1089-7550 ;DOI: 10.1063/5.0063902 ;CODEN: JAPIAU

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  • Title:
    Photothermal AFM-IR spectroscopy and imaging: Status, challenges, and trends
  • Author: Mathurin, Jeremie ; Deniset-Besseau, Ariane ; Bazin, Dominique ; Dartois, Emmanuel ; Wagner, Martin ; Dazzi, Alexandre
  • Subjects: Atomic force microscopy ; Infrared analysis ; Infrared spectroscopy ; Microscopes ; Microscopy ; Physics ; Spatial resolution ; Spectral resolution ; Spectral sensitivity ; Spectrum analysis ; Trends
  • Is Part Of: Journal of applied physics, 2022-01, Vol.131 (1)
  • Description: This article focuses on the atomic force microscopy-infrared (AFM-IR) technique and its recent technological developments. Based on the detection of the photothermal sample expansion signal, AFM-IR combines the high spatial resolution of atomic force microscopy with the chemical identification capability of infrared spectroscopy to achieve submicrometric physico-chemical analyses. Since the first publication in 2005, technological improvements have dramatically advanced the capabilities of AFM-IR in terms of spatial and spectral resolution, sensitivity, and fields of applications. The goal of this paper is to provide an overview of these developments and ongoing limitations. We summarize recent progress in AFM-IR implementations based on the major AFM contact, tapping, and peak force tapping modes. Additionally, three new trends are presented, namely, AFM-IR applied to mineral samples, in fluid and a novel, purely surface sensitive AFM-IR configuration, to probe top layers. These trends demonstrate the immense potential of the technique and offer a good insight into the scope of AFM-IR.
  • Publisher: Melville: American Institute of Physics
  • Language: English
  • Identifier: ISSN: 0021-8979
    EISSN: 1089-7550
    DOI: 10.1063/5.0063902
    CODEN: JAPIAU
  • Source: Alma/SFX Local Collection
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