Abstract
The discovery that electrical conductivity of polyacetylene could be increased by several orders of magnitude by doping it with various donors or acceptors to give p-type or n-type semiconductors has stimulated a lot if interest on electrically conducting polymers 1,2. Most of the dopants used are corrosive in nature and majority of the doped polymers eg. doped polyacetylene, doped polyphenylene, doped poly pyrrole etc. have very poor stability against heat, light,moisture and air. Hence there has been a need for new light weight easily processable electrically conducting polymers having excellent atmospheric stability against air, water etc. Metallo phthalocyanines and their polymers have extremely good thermal and environmental stability. They are soluble in concentrated acids without decomposition 3,4. They also possess extended conjugated structures which could reduce the semiconducting band gap which governs the intrinsic electrical and optical properties of the system.
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Venkatachalam, S., Rao, K.V.C., Manoharan, P.T. (1991). Phthalocyanine Based Electrically Conducting Polymers. In: Prasad, P.N., Nigam, J.K. (eds) Frontiers of Polymer Research. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-3856-1_46
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