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Ionic conductivity of monohydroxy alcohol liquids doped with known probe ions and analysis of the liquid structure

    https://doi.org/10.1142/S0217979221500144Cited by:2 (Source: Crossref)

    The specific values of the conductivity (σ) and its variation with temperature (T) of 2-pentanol and 2-methyl-1-pentanol liquids doped with different concentrations of NaI (abbreviated as 2PEN-xNaI and 2M1PEN-xNaI, respectively) (x=0%, 1% and 5%) are measured by the commercial equipment. The results show that whether NaI is doped or not, σ of 2PEN-xNaI and 2M1PEN-xNaI all have a conductivity peak in the range of 300–350 K different from that of typical glass-formers of small molecules. In addition, σ goes up with increasing x, and the temperature corresponding to σ maximum increases with rising NaI content. Moreover, there is a nonlinear behavior of σ with x, i.e., with rising x, σ/x decreases at low-temperatures, but increases at high-temperatures. Moreover, the liquid structure and its variation with T are further analyzed based on the ionic conductivity.

    PACS: 66.10.x, 82.30.Rs, 64.70.P-, 77.22.Gm
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