Three-legged 2,2′-bipyridine monomer at the air/water interface

• Verfasst von: Dai, Wenyang [VerfasserIn]
• Verfasst von: Abuillan, Wasim [VerfasserIn]
• Verfasst von: Tanaka, Motomu [VerfasserIn]
• Titel: Three-legged 2,2′-bipyridine monomer at the air/water interface
• Titelzusatz: monolayer structure and reactions with Ni(II) ions from the subphase
• Verf.angabe: Wenyang Dai, Lay-Theng Lee, Andri Schütz, Benjamin Zelenay, Zhikun Zheng, Andreas Borgschulte, Max Döbeli, Wasim Abuillan, Oleg V. Konovalov, Motomu Tanaka, and A. Dieter Schlüter
• Umfang: 9 S.
• Fussnoten: Gesehen am 14.08.2018
• Titel Quelle: Enthalten in: Langmuir
• Jahr Quelle: 2017
• Band/Heft Quelle: 33(2017), 7, S. 1646-1654
• ISSN Quelle: 1520-5827
• DOI: doi:10.1021/acs.langmuir.6b04282
• Datenträger: Online-Ressource
• Sprache: eng
• K10plus-PPN: 1580039766

Abstract

The behavior of compound 2 [1,3,5-tri(2,2′bipyridin-5-yl)benzene] with three bipyridine units arranged in a star geometry is investigated in the presence and absence of Ni(ClO4)2. Its properties at the air−water interface as well as after transfer onto a solid substrate are studied by several techniques including Brewster angle microscopy, X-ray reflectivity, neutron reflectivity, X-ray photoelectron spectroscopy, Rutherford backscattering spectrometry, and atomic force microscopy combined with optical microscopy. It is found that compound 2 within the monolayers formed stays almost vertical at the interface and that at high Ni2+/2 (Ni2+/2 = 4000, 20′000) ratios two of the three bipyridine units of 2 are complexed, resulting in supramolecular sheets that are likely composed of arrays of linear metal−organic complexation polymers.