Anodic Deposition of Enantiopure Hexahelicene Layers.

0492063 - ÚCHP 2019 RIV DE eng J - Článek v odborném periodiku
Vacek, J. - Hrbáč, J. - Strašák, Tomáš - Církva, Vladimír - Sýkora, Jan - Fekete, Ladislav - Pokorný, Jan - Bulíř, Jiří - Hromadová, Magdaléna - Crassous, J. - Storch, Jan
Anodic Deposition of Enantiopure Hexahelicene Layers.
ChemElectroChem. Roč. 5, č. 15 (2018), s. 2080-2088. ISSN 2196-0216. E-ISSN 2196-0216
Grant CEP: GA ČR(CZ) GA17-02578S; GA ČR GA15-12719S; GA TA ČR TA04010082; GA MŠMT(CZ) LM2015088; GA MŠMT(CZ) LO1409
Grant ostatní: FUNBIO(XE) CZ.2.16/3.1.00/21568
Institucionální podpora: RVO:67985858 ; RVO:68378271 ; RVO:61388955
Klíčová slova: helicene * chiral * electrochemistry
Obor OECD: Organic chemistry; Condensed matter physics (including formerly solid state physics, supercond.) (FZU-D); Physical chemistry (UFCH-W)
Impakt faktor: 3.975, rok: 2018

Helicenes are polyaromatic compounds with chiral properties useful for many applications in optoelectronics, separation processes, chiral recognition and catalysis. Here we focused on the electrochemistry of carbo[n]helicenes (n=5,6,7) with emphasis on the formation of deposited structures (layers) onto the electrode surface. The helicenes were electrodeposited onto transparent indium tin oxide (ITO) electrodes and characterized by atomic force microscopy, UV/Vis, Raman spectroscopy and ellipsometry. Finally, the anodic deposition of P and M enantiomers of [6]helicene was performed using ITO substrates, resulting in the formation of enantiopure layers of nanometer thicknesses as confirmed by circular dichroism spectroscopy. The discovered electrosynthetic procedure opens up a new possibility for the immobilization of chiral helicene layers onto solid supports.
Trvalý link: http://hdl.handle.net/11104/0286282