Multifunctional chromophores are synthesized based on dithienothiophene, DDT (π-center) linked through conjugation by donor/donor (D/D) or D/acceptor (D/A) pair segments at the molecular end. Novel electronic/photonic properties are assessed by cyclic voltammetry (CV) and two-photon absorption (TPA). CV shows that the D/D system displays two oxidation/one reduction waves, while the D/A system shows two oxidation/two reduction waves. Such unusual redox is reflected in the amphotericity particularly with D/D system and can be accounted for solely by the involvement of DTT. Exceptionally large TPA cross-section values of these chromophores relative to those based on benzenoid π-center seem to be the result of unique electronic modulation effect of DTT.
|Number of pages||2|
|Journal||American Chemical Society, Polymer Preprints, Division of Polymer Chemistry|
|Publication status||Published - 2000 Mar 1|
|Event||The San Francisco Meeting - San Francisco, CA, USA|
Duration: 2000 Mar 26 → 2000 Mar 31
ASJC Scopus subject areas
- Polymers and Plastics