Abstract
Two novel porphyrin derivatives, 5,10,15,20-tetra(4-(N-octane-carboxamide)phenyl)porphyrin (4NC8-TPP) and 5,10,15,20-tetra(4-(N-stearyl-carboxamide)phenyl)porphyrin (4NC18-TPP), were synthesized. Their molecular structures were characterized by means of time-of-flight mass spectrometer (TOF-MS), nuclear magnetic resonance (NMR), and infrared spectra (IR). The thermal behavior and morphologies of 4NC8-TPP and 4NC18-TPP were examined by thermal gravity (TG), differential scanning calorimetry (DSC), x-ray diffraction (XRD), and polarizing optical microscope (POM). It was found that both 4NC8-TPP and 4NC18-TPP had mesogenic properties.
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