Abstract
Molecular recognition plays a significant role in the counterion-induced processibility, morphological features, and physical properties of doped polyaniline (PANI). The interaction of the counterion and solvent controls the chain conformation and, as a result, the formation of extended and localized electronic states; hence, it holds the key for tuning a wide range of electrical and optical properties of doped PANI. The combined effects of counterion, solvent, and processing conditions tune the metal-insulator transition, temperature dependence of conductivity, magnetoresistance, and so forth in doped PANI. The typical examples are shown in the case of PANI doped by camphor sulfonic acid, 2-acrylamido-2-methyl-1-propane sulfonic acid, and dodecylbenzoyl sulfonic acid.
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Mukherjee, A.K., Menon, R. The role of molecular recognition in charge transport properties of doped polyaniline. Appl Biochem Biotechnol 96, 145–153 (2001). https://doi.org/10.1385/ABAB:96:1-3:145
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DOI: https://doi.org/10.1385/ABAB:96:1-3:145