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@article{1629500, author = {Hrbáč, Jan and Pavelka, Vít and Crassous, Jeanne and Žádný, Jaroslav and Fekete, Ladislav and Pokorný, Jan and Vanýsek, Petr and Storch, Jan and Vacek, Jan}, article_location = {New York}, article_number = {April 2020}, doi = {http://dx.doi.org/10.1016/j.elecom.2020.106689}, keywords = {Carbohelicene; Hexahelicene; Voltammetry; Enantiopure; Redox active;Chiral carbon}, language = {eng}, issn = {1388-2481}, journal = {Electrochemistry Communications}, title = {Redox and optically active carbohelicene layers prepared by potentiodynamic polymerization}, url = {https://www.sciencedirect.com/science/article/pii/S1388248120300400}, volume = {113}, year = {2020} }
TY - JOUR ID - 1629500 AU - Hrbáč, Jan - Pavelka, Vít - Crassous, Jeanne - Žádný, Jaroslav - Fekete, Ladislav - Pokorný, Jan - Vanýsek, Petr - Storch, Jan - Vacek, Jan PY - 2020 TI - Redox and optically active carbohelicene layers prepared by potentiodynamic polymerization JF - Electrochemistry Communications VL - 113 IS - April 2020 SP - 1-5 EP - 1-5 PB - Elsevier SN - 13882481 KW - Carbohelicene KW - Hexahelicene KW - Voltammetry KW - Enantiopure KW - Redox active;Chiral carbon UR - https://www.sciencedirect.com/science/article/pii/S1388248120300400 L2 - https://www.sciencedirect.com/science/article/pii/S1388248120300400 N2 - This short paper describes the preparation of thin layers based on carbohelicenes, which are inherently chiral polyaromatics existing in the enantiomeric forms P and M. Specifically, [5], [6] and [7]helicene were subjected to redox cycling between -1.5 and 1.5 V vs. ferrocene/ferrocenium at a scan rate of 10 V/s. This way, enantiopure layers exhibiting redox activity were formed on the surfaces of the glassy carbon and ITO electrodes under anoxic and non-aqueous conditions. The properties of the prepared polymer layers were investigated using electrochemistry with Fe/Ru redox probes, circular dischroism, AFM, impedance measurement and Raman spectroscopy. With [6]helicene, the suggested electropolymerization procedure thus represents a proof-of-concept for the preparation of chiral carbonaceous surfaces. ER -
HRBÁČ, Jan, Vít PAVELKA, Jeanne CRASSOUS, Jaroslav ŽÁDNÝ, Ladislav FEKETE, Jan POKORNÝ, Petr VANÝSEK, Jan STORCH a Jan VACEK. Redox and optically active carbohelicene layers prepared by potentiodynamic polymerization. \textit{Electrochemistry Communications}. New York: Elsevier, 2020, roč.~113, April 2020, s.~1-5. ISSN~1388-2481. Dostupné z: https://dx.doi.org/10.1016/j.elecom.2020.106689.
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