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A unified approach to the synthesis of the series of higher acenes up to previously unreported undecacene has been developed through the on‐surface dehydrogenation of partially saturated precursors. These molecules could be converted into the parent acenes by both atomic manipulation with the tip of a scanning tunneling and atomic force microscope (STM/AFM) as well as by on‐surface annealing. The...
The templated synthesis of porphyrin‐based oligomers and heterosystems is of considerable interest for materials with tunable electronic gaps, photovoltaics, or sensing device elements. In this work, temperature‐induced dehydrogenative coupling between unsubstituted free‐base porphine units and their attachment to graphene nanoribbons on a well‐defined Ag(111) support are scrutinized by bond‐resolved...
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