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Open Access Optical Nano-Imaging of Materials: Peeping Through Tip-Enhanced Raman Scattering

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High-resolution optical nano-imaging, with a spatial resolution far beyond the diffraction limits of the probing light, has been shown by means of tip-enhanced near-field Raman spectroscopy. The capabilities of imaging the physical and chemical properties of materials have been demonstrated by imaging the diameter distribution of the nanotubes within an isolated bundle of single wall carbon nanotube. Further, by combining the nonlinear effects in the scattering process, it has been shown that the tip-enhanced coherent anti-Stokes Raman scattering imaging of DNA networks is capable of even higher spatial resolution and contrast.

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Keywords: DNA NETWORKS; NANOTUBES; OPTICAL NANO-IMAGING; TIP-ENHANCED COHERENT ANTI-STOKES RAMAN SCATTERING (TE-CARS); TIP-ENHANCED RAMAN SPECTROSCOPY (TERS)

Document Type: Research Article

Publication date: 01 November 2006

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  • International Journal for Chemistry and Official Membership Journal of the Swiss Chemical Society (SCS) and its Divisions

    CHIMIA, a scientific journal for chemistry in the broadest sense, is published 10 times a year and covers the interests of a wide and diverse readership. Contributions from all fields of chemistry and related areas are considered for publication in the form of Review Articles and Notes. A characteristic feature of CHIMIA are the thematic issues, each devoted to an area of great current significance.

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