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  • Title: Photoswitching behavior of a novel single molecular tip for noncontact atomic force microscopy designed for chemical identification.
    Author: Takamatsu D, Yamakoshi Y, Fukui K.
    Journal: J Phys Chem B; 2006 Feb 09; 110(5):1968-70. PubMed ID: 16471770.
    Abstract:
    A tripod molecule with an azobenzene arm was designed as a single molecular tip for noncontact atomic force microscopy (NC-AFM). The azobenzene moiety showed photoisomerization that enabled measurements of the same position of the sample by different tip apexes with different interactions. Photoswitching behavior of the molecule synthesized and adsorbed on Au surfaces was examined and reversible switching between the trans- and cis forms was successfully confirmed by NC-AFM measurements.
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