Journal of Physical Chemistry A p. 10320 - 10332 (2013)
Update date:2022-08-03
Topics:
Sek, Danuta
Siwy, Mariola
Bijak, Katarzyna
Grucela-Zajac, Marzena
Malecki, Grzegorz
Smolarek, Karolina
Bujak, Lukasz
Mackowski, Sebastian
Schab-Balcerzak, Ewa
Two series of azines and their azomethine analogues were prepared via condensation reaction of benzaldehyde, 2-hydroxybenzaldehyde, 4-pyridinecarboxaldehyde, 2-thiophenecarboxaldehyde, and 4-(diphenylamino) benzaldehyde with hydrazine monohydrate and 1,4-phenylenediamine, respectively. The structures of given compounds were characterized by FTIR, 1H NMR, and 13C NMR spectroscopy as well as elemental analysis. Optical, electrochemical, and thermal properties of all compounds were investigated by means of differential scanning calorimetry (DSC), UV-vis spectroscopy, stationary and time-resolved photoluminescence spectroscopy, and cycling voltammetry (CV). Additionally, the electronic properties, that is, orbital energies and resulting energy gap were calculated theoretically by density functional theory (DFT). Influence of chemical structure of the compounds on their properties was analyzed.
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