3 years ago

Synthesis and characterization of symmetrical sulfur-fused polycyclic aromatic hydrocarbons with controlled shapes

Synthesis and characterization of symmetrical sulfur-fused polycyclic aromatic hydrocarbons with controlled shapes
Here we report and establish a facile synthetic method for these unprecedented sulfur-fused polycyclic aromatic hydrocarbons (S-PAHs) with symmetrical structures (C 2-rectangle and D 6h-hexagonal shape). Characterization by laser desorption/ionization time-of-flight mass spectrometry unambiguously validate the successful formation of these novel S-PAHs. The C 2-rectangle and D 6h-hexagonal-shaped S-PAHs (1 and 2) are obtained by Scholl-type cyclodehydrogenation of the corresponding precursor using FeCl3 as an oxidant, and their spectral characteristics, thermal and electrical properties are investigated.

Publisher URL: www.sciencedirect.com/science

DOI: S0040402017308517

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