The synthesis of crystalline polyaniline base using a water-in-oil typ
e microemulsion as a medium of polymerization is reported. The polymer
exhibits well defined crystalline phase whose observed orthorhombic l
attice parameters are a = 7.65, b = 5.75, c = 10.22 Angstrom and V = 4
50 Angstrom(3). The polymer obtained has been characterized by XRD, FT
IR, UV and Cyclic Voltammetry confirming the crystalline phase, surfac
tant stabilized nature, base form and dopability.