Ultrathin monomolecular films and robust assemblies based on cyclic catechols

0470754 - ÚMCH 2018 RIV US eng J - Článek v odborném periodiku
Zieger, M. M. - Pop-Georgievski, Ognen - de los Santos Pereira, Andres - Verveniotis, E. - Preuss, C. M. - Zorn, M. - Reck, B. - Goldmann, A. S. - Rodriguez-Emmenegger, Cesar - Barner-Kowollik, C.
Ultrathin monomolecular films and robust assemblies based on cyclic catechols.
Langmuir. Roč. 33, č. 3 (2017), s. 670-679. ISSN 0743-7463
Grant CEP: GA ČR(CZ) GJ15-09368Y
Grant ostatní: OPPK(XE) CZ.2.16/3.1.00/21545
Program: OPPK
Institucionální podpora: RVO:61389013
Klíčová slova: cyclic catechols * ultrathin films * macromolecules monolayers
Obor OECD: Polymer science
Impakt faktor: 3.789, rok: 2017

We introduce a newly designed catechol-based compound and its application for the preparation of homogeneous monomolecular layers as well as for robust assemblies on various substrates. The precisely defined cyclic catechol material (CyCat) was prepared from ortho-dimethoxybenzene in a phenolic resin-like synthesis and subsequent deprotection, featuring molecules with up to 32 catechol units. The CyCat’s chemical structure was carefully assessed via matrix-assisted laser desorption ionization time-of-flight mass spectrometry, proton nuclear magnetic resonance, diffusion ordered spectroscopy and high resolution electrospray ionization mass spectrometry experiments. The formation of colloidal aggregates of the CyCat material in alkaline solution was followed by dynamic light scattering and further verified by dropcasting CyCat from solution on highly oriented pyrolytic graphite, which was examined by Kelvin probe force microscopy.
Trvalý link: http://hdl.handle.net/11104/0270641