Abstract
Freestanding and conducting poly[poly(N-vinyl-carbazole)] (PPVK) films with good fluorescence property were synthesized electrochemically by direct anodic oxidation of poly(N-vinyl-carbazole) (PVK) in tetrahydrofuran containing boron trifluoride diethyl etherate (BFEE) (12%, by volume) and Bu4NBF4 (0.05 M). The oxidation onset potential of PVK in this medium was measured to be 1.07 V vs. SCE. PPVK films obtained from this medium showed good electrochemical behavior and good thermal stability with conductivity of 10−2 S cm−1. PPVK films were black in doped state and transparent white in dedoped state. Structural studies showed that the secondary polymerization of PVK occurred at benzene ring. These polymer films had good mechanical properties, which can be easily cut into a variety of structures with a knife or a pair of scissors.
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