fig6

Figure 6. Time-transmittance curves and corresponding chronoamperometry of PT (A, D), PTT (B, E) and PDTT (C, F) in monomer-free CH₃CN-Bu₄NPF₆ (0.1 mol L^-1) with an interval of 10 s. PT: Polythiophene; PTT: poly(thieno[3,2-b]thiophene); PDTT: poly(dithieno[3,2-b:2’,3’-d]thiophene).