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

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Schönherr, Holger and Vancso, G. Julius and Huisman, Bart-Hendrik and Veggel van, Frank C.J.M. and Reinhoudt, David N. (1997) An atomic force microscopy study on self-assembled monolayers of resorcin[4]arene adsorbates on Au(111). Langmuir, 13 (6). pp. 1567-1570. ISSN 07437463

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Abstract: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.
Item Type:Article
Copyright:© 1997 American Chemical Society
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/10588
Official URL:http://dx.doi.org/10.1021/la961084l
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Metis ID: 105738