Effect of heteroatom (S/Se) juggling in donor–acceptor–donor (D–A–D) fused systems: synthesis and electrochemical polymerization
| Autor: | Sarasija Das, Sirina Ghosh, Neha Rani Kumar, Sanjio S. Zade, Abhijeet R. Agrawal |
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| Rok vydání: | 2017 |
| Předmět: |
chemistry.chemical_classification
010405 organic chemistry Chemistry Solvatochromism Heteroatom General Chemistry Crystal structure Polymer 010402 general chemistry Photochemistry 01 natural sciences Acceptor Catalysis 0104 chemical sciences chemistry.chemical_compound Polymerization Polymer chemistry Materials Chemistry Thiophene Molecule |
| Zdroj: | New Journal of Chemistry. 41:11568-11575 |
| ISSN: | 1369-9261 1144-0546 |
| DOI: | 10.1039/c7nj02394d |
| Popis: | A series of nitrogen-bridged donor–acceptor–donor (D–A–D) type molecules, 1–3, was synthesized using thiophene/selenophene as donors and benzothiadiazole(BTD)/benzoselenadiazole(BSeD) as acceptors. Compound 1 contains a sulfur (S) atom in both the donor and acceptor which was changed to selenium (Se) in 2 for the donor and in 3 for the acceptor. The juggling of S/Se atom(s) in the donor or acceptor unit helps in modulating the structural, photophysical, and electrochemical properties of the resulting compounds. As revealed from crystal structures, compounds 2 and 3 dimerize via S⋯N and Se⋯N interactions, respectively. Compounds 1–3 were successfully polymerized by electrochemical polymerization and the resulting polymers were studied electrochemically. Compounds 1–3 show high fluorescence quantum yields, positive solvatochromism, and high stokes shifts. |
| Databáze: | OpenAIRE |
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