Effect of the doping level on the conductance of polymer–salts complexes in the presence of humidity

• DOI: 10.1016/j.snb.2003.09.013
• Publication Date: 2004-01-22T10:20:17Z
• Authors: Giuseppe Casalbor...; Mujie Yang; Yang Li; Nadia Camaioni; Alessandro Martelli; Alberto Zanelli
• Keywords: Polyacetylene

The conductance of complexes between polyacetylene-based polymers and inorganic salts (dopants) was investigated in the presence of humidity as a function of the salt concentration. The conductance reaches a maximum value by increasing the doping level. The decrease of conductance observed for high-doping values is due to enhanced ion interactions. In some cases, the conductance/doping plots show two maxima likely due to ion association, i.e. to the formation of double and triple ions.