Abstract
The P3HT3BT copolymer was successfully synthesized via a multi-step procedure. The polymer absorbed light in a spectral range from UV region to near 600 nm. The energy band gap was estimated to be 1.98 eV and the polymer exhibited reversible oxidation-reduction cycles under the experimental conditions. In solid films, the PL emissions of the polymer were quenched in the presence of PCBM. Our current experimental data indicated that the polymer blends with PCBM can be employed in the fabrication of bulk heterojunction photovoltaic devices.
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