Abstract
Two novel π-enlarged palladium N-confused porphyrins (Pd-NCPs) containing benzoic acid or 4-ethynylbenzoic acid moiety were synthesized by dibromination, silver metallation, Pd-catalyzed cross-coupling, and hydrolysis reaction. All compounds were characterized by 1H-NMR and mass spectra. Optical and electrochemical properties were also obtained. The photovoltaic properties of these π-enlarged Pd-NCPs were examined and the sensitizers achieved low efficiency, which was well explained by quantum chemistry calculation.
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