FTIR spectroscopic study of the interaction between NH4$\mathplus$ and DMSO in Nafionстатья
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Дата последнего поиска статьи во внешних источниках: 25 мая 2022 г.
Аннотация:Nafion-NH4+ membranes plasticized with dimethyl sulfoxide (DMSO and DMSO-d6) have been investigated at room temperature using the vacuum ATR-FTIR and FTIR absorption spectroscopic technique in the range 50–4000 cm−1. The amount of the plasticizer corresponds to the molecular ratio n = DMSO/NH4+ = 2.7–13.8. The mutual association of free DMSO molecules in Nafion leads to appearance of weak band at 86 cm−1 assigned to dipole-dipole interactions. Also the Raman spectra of dry Nafion-NH4+ membranes were investigated.