Abstract:We report the first conductance measurements of [n]staffane oligomers in single‐molecule junctions. Our studies reveal two quantum transport characteristics unique to staffanes that emerge from their strained bicyclic structure. First, though staffanes are composed of weakly conjugated C‐C σ‐bonds, staffanes carry a shallower conductance decay value (β = 0.84 ± 0.02 n‐1) than alkane chain analogs (β = 0.96 ± 0.03 n‐1) when measured with the scanning tunneling microscopy break junction (STM‐BJ) technique. Staff… Show more
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