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Elektrochemická studie oxazaborinových chromoforů
Authors: Mikysek Tomáš | Josefík František | Vytřas Karel | Ludvik Jiri
Year: 2015
Type of publication: článek ve sborníku
Name of source: XXXV Moderní elektrochemické metody
Publisher name: BEST Servis
Place: Ústí nad Labem
Page from-to: 152-155
Titles:
Language Name Abstract Keywords
cze Elektrochemická studie oxazaborinových chromoforů Tento příspěvek popisuje základní elektrochemickou studii série nově syntetizovaných chromoforů na bázi oxazaborinu. oxazaborin; chromofor; cyklická voltametrie
eng Electrochemical Study of Oxazaborine Chromophores This contribution describes a basic electrochemical study of a series of newly synthesized chromophores based on the oxazaborine core. The attention was focused on determination of the first oxidation and the first reduction potentials, their difference and the relationship to the calculated highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO) energies. The oxidation is mostly a two-electron irreversible process, the first reduction is also irrevesible, but involving one-electron. For better understanding of the relationship between the structure and redox properties, the approach using sigma (para) constants of Hammett type was applied, the difference between E(ox) and E(red) was correlated with the HOMO-LUMO gap. Oxazaborines; Chromophore; Cyclic voltammetry