Poly(3,4-ethylenedioxythiophene) or PEDOT (or sometimes PEDT) is a conducting polymer based on 3,4-ethylenedioxylthiophene or EDOT monomer. Advantages of this polymer are optical transparency in its conducting state, high stability and moderate band gap and low redox potential. A large disadvantage is poor solubility which is partly circumvented in the PEDOT:PSS composite, and the PEDOT-TMA material. (Note: Pedot is a transparent conductor. These conductors are used for LCDs and solar cells, among others.)
Source: Wikipedia
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