An atomic force microscopy study on self-assembled monolayers of resorcin[4]arene adsorbates on Au(111)

Holger Schönherr, Gyula J. Vancso, B.H. Huisman, F.C.J.M. van Veggel, David Reinhoudt

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The structure and orientation of calix[4]resorcinarene receptor adsorbate self-assembled monolayers (SAMs) on Au(111) were studied with atomic force microscopy (AFM). In molecularly-resolved images, two hexagonal periodicities with lattice constants of 11.6 ± 0.4 and 4.2 ± 0.2 Å, respectively, were observed. These two periodicities could be observed separately as well as simultaneously by changing the imaging force. The experimentally determined distances are assigned to different parts of the adsorbates; the 11.6 Å repeat distance is related to the lattice of the calix[4]resorcinarene recognition sites of the adsorbates, while the smaller repeat length fits well with the interchain distance of a closest packing of alkyl chains. These measurements confirm our previous assumption regarding the high degree of order of the calix[4]resorcinarene SAMs on gold.
Original languageUndefined
Pages (from-to)1567-1570
Issue number6
Publication statusPublished - 1997


  • IR-10588
  • METIS-105738

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