Photoinduced Step-Growth Polymerization of N-Ethylcarbazole
Autor: | Yusuf Yagci, Sermet Koyuncu, Erdem Sari, Gorkem Yilmaz |
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Rok vydání: | 2018 |
Předmět: |
Chemistry
02 engineering and technology General Chemistry 010402 general chemistry 021001 nanoscience & nanotechnology Electrochemistry Photochemistry 01 natural sciences Biochemistry Catalysis Coupling reaction Photoinduced electron transfer 0104 chemical sciences Step-growth polymerization Electron transfer Colloid and Surface Chemistry Oxidizing agent Differential pulse voltammetry Cyclic voltammetry 0210 nano-technology |
Zdroj: | Journal of the American Chemical Society. 140(40) |
ISSN: | 1520-5126 |
Popis: | A novel method for photochemical step-growth synthesis of poly(N-ethylcarbazole) (PEC) via consecutive diphenyl iodonium hexafluorophospate (Ph2I+PF6–) mediated electron transfer and coupling reactions is reported. The photoinduced electron transfer reaction of the excited N-ethylcarbazole (EC) in the presence of Ph2I+PF6– as the oxidizing salt proceeded efficiently giving EC radical cations (EC+•). Subsequently, the protons released concomitantly with coupling of two EC radical cations. The successive reactions involving excitation, electron transfer, proton release, and coupling lead to the formation of PEC. The electrochemical properties and surface morphology of the thin films of the formed polymers before and after dedoping were investigated by cyclic voltammetry, differential pulse voltammetry, and atomic force microscopy techniques, respectively. |
Databáze: | OpenAIRE |
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