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Three-legged 2,2′-bipyridine monomer at the air/water interface: monolayer structure and reactions with Ni(II) ions from the subphase

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 techni...

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Bibliographic Details
Main Authors: Dai, Wenyang (Author) , Abuillan, Wasim (Author) , Tanaka, Motomu (Author)
Format: Article (Journal)
Language:English
Published: January 26, 2017
In: Langmuir
Year: 2017, Volume: 33, Issue: 7, Pages: 1646-1654
ISSN:1520-5827
DOI:10.1021/acs.langmuir.6b04282
Online Access:Verlag, Volltext: http://dx.doi.org/10.1021/acs.langmuir.6b04282
Verlag, Volltext: http://pubs.acs.org/doi/10.1021/acs.langmuir.6b04282
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Author Notes: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
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Summary: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.
Item Description:Gesehen am 14.08.2018
Physical Description:Online Resource
ISSN:1520-5827
DOI:10.1021/acs.langmuir.6b04282

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