Abstract

The charge-transfer complexes of EDO-TTF (EDO) with eight kinds of TCNQ derivatives were prepared. The electrical and optical properties were discussed and the crystal structure of (EDO) 2 (BTDA-TCNQ) 3 was analyzed. The complexes with strong acceptors (F 2 TCNQ, F 4 TCNQ) or weak ones (BTDA-TCNQ, (EtO) 2 TCNQ) were insulators with the conductivity of 10 −7 -10 −5 Scm −1 . Other TCNQ derivatives (FTCNQ, TCNQ, MeTCNQ, Me 2 TCNQ) afforded first highly conductive EDO complexes (10 −1 -10 0 Scm −1 ). These results were consistent with those of the optical measurements.

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