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- W2018103721 abstract "Poly(5-cyanoindole) presents in aqueous acidic solutions two distinct redox processes. The first one, at the lowest potentials, involves electronic exchanges only. To the contrary, the second one is associated with a proton exchange and is sensitive to the pH values. The purpose of this publication is to characterize the different modifications occurring on the poly(5-cyanoindole) (P5CN) backbone and induced by these oxidation processes. FTIR and Raman spectrocopy techniques were used to characterize the different states of P5CN. Assignments of the vibrational modes were proposed by comparison of the vibrational spectra of P5CN and those of polyindole, polyaniline and polypyrrole. The changes in the infrared and Raman spectra, occurring at the most positive potential, were explained by redox mechanisms involving deprotonation–protonation of the P5CN structure during the oxidation–reduction process. The oxidation reaction is accompanied by the appearance of CN groups and the disappearance of NH bonds." @default.
- W2018103721 created "2016-06-24" @default.
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- W2018103721 date "1998-10-01" @default.
- W2018103721 modified "2023-09-25" @default.
- W2018103721 title "FTIR and Raman spectroscopic investigations on the redox behaviour of poly(5-cyanoindole) in acidic aqueous solutions" @default.
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- W2018103721 doi "https://doi.org/10.1016/s1386-1425(98)00146-2" @default.
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