Synthesis and Electrochemical and Photophysical Characterization of New 4,4'-[pi]-Conjugated 2,2'-Bipyridines that are End-Capped with Cyanoacrylic Acid/Ester Groups

Two new functionalized 4,4'-disubstituted 2,2'-bipyridines that were end-capped with cyanoacrylic acid or cyanoacrylic acid ester anchoring groups, which might allow their efficient functionalization on TiO2 or other metal-oxide semiconductor surfaces, have been synthesized and characteriz...

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Published in:Chemistry, an Asian journal an Asian journal, 2016-04, Vol.11 (8), p.1232
Main Authors: Fingerhut, Anja, Wu, Yanlin, Kahnt, Axel, Bachmann, Julien, Tsogoeva, Svetlana B
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Wu, Yanlin
Kahnt, Axel
Bachmann, Julien
Tsogoeva, Svetlana B
description Two new functionalized 4,4'-disubstituted 2,2'-bipyridines that were end-capped with cyanoacrylic acid or cyanoacrylic acid ester anchoring groups, which might allow their efficient functionalization on TiO2 or other metal-oxide semiconductor surfaces, have been synthesized and characterized by electrochemical, photophysical, and spectroscopic measurements. The electrochemical and photophysical properties of these 4,4'-disubstituted 2,2'-bipyridines with extended πsystems, in particular their LUMO energies, make them promising candidates to build up inorganic-organic hybrid photosensitizers for the sensitization of metal-oxide semiconductors (e.g., TiO2 nanoparticles and/or nanotubes).
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title Synthesis and Electrochemical and Photophysical Characterization of New 4,4'-[pi]-Conjugated 2,2'-Bipyridines that are End-Capped with Cyanoacrylic Acid/Ester Groups
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