Continuous Band Gap Control from 0.3 to 1.1 eV of pi-Conjugated Polymers in Aqueous Solution

Aota H; Ishikawa T; Maki Y; Takaya D; Ejiri H; Amiuchi Y; Yano H; Kunimoto T; Matsumoto A

Chemistry Letters, Vol.40, No.7, 724-725, 2011

DOI10.1246/cl.2011.724 Export Citation

Continuous Band Gap Control from 0.3 to 1.1 eV of pi-Conjugated Polymers in Aqueous Solution

Aota H, Ishikawa T, Maki Y, Takaya D, Ejiri H, Amiuchi Y, Yano H, Kunimoto T, Matsumoto A

Band gap controllable, water-soluble, and pi-conjugated polymers were prepared by the addition condensation of pyrrole (Py), 1,2,3-trihydroxybenzene (THB), and sodium o-formylbenzenesulfonate (BS) with different Py/THB/BS ratios. Band gap values are continuously controlled from 0.3 to 1.1 eV in aqueous solutions by changing molecular weights and monomer unit sequences.