π‑Conjugated Heterotriangulene Macrocycles
by Solution and Surface-supported Synthesis toward Honeycomb Networks
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Abstract
A comparative
analysis between a solution and a surface-mediated
synthesis of heterotriangulene macrocycles is reported. The results
show a preferential formation of the π-conjugated macrocycles
on surface due to two-dimensional confinement. The macrocycle prepared
on a several hundred milligram scale by solution chemistry was characterized
by single-crystal X-ray analysis and was furthermore extended toward
next generation honeycomb species. Investigation of the photophysical
and electronic properties together with the good thermal stability
revealed the potential of <b>MC6</b> as hole-transport material
for organic electronics
