Abstract
AbstractNH4ClO4 has a very high ionic conductivity ∼ 10−5 Scm−1 in which probable charge carrying mobile species is H+ ion apart from the anion ClO4−. The H+ can be derived either from the –CH2‐CH2‐ of the polymer PEO chain or from the NH4+ of the complexing salt. In order to identify the mobile H+ species and to investigate its dynamics, a wide‐line nuclear magnetic resonance (NMR) study has been carried as a function of temperature. The two types of H+ species, as stated above, have been found to show different temperature dependence of the respective NMR‐linewidths. It has been established that only one of these H+ species (i.e., belonging to NH4+ cation) contributes predominantly to the room temperature conductivity.
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