We conducted a series of additional single molecule experiments by varying temperature, concentration, and applied bias to further understand the high-and low-conductance populations observed for PPP. Temperature-dependent STM-BJ measurements were carried out at three different temperatures: 20 ºC, 30 ºC and 40 ºC. Increased temperature leads to enhanced molecular vibrations, reducing the likelihood of forming intermolecular junctions during the STM-BJ experiments . Our results indicate that as the temperature is increased, the low conductance state is significantly diminished (Figure ). These results are consistent with our hypothesis that the low conductance state arises due to non-covalent dimeric interactions. On the other hand, the high conductance state is largely unaffected by the 20ºC temperature increase, suggesting the high conductance state arises due to a stronger binding mechanism. Concentration-dependent STM-BJ experiments were also performed for PPP in the range on 0.1-10 mM (Figure ). These results indicate that the low conductance state of PPP exhibits strong concentration dependence, whereas the high conductance state is concentration independent. These results are consistent with our hypothesis that the low conductance state arises due to non-covalent dimeric interactions whereas the high conductance state arises due to through-bond transport.