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. 2021 Oct 18;8(22):2102619. doi: 10.1002/advs.202102619

Figure 1.

Figure 1

a) Schematics of the acetonitrile‐mediated vehicle proton transport: I) Acetonitrile is weakly bonded to the lattice. II) Acetonitrile is released enabling a transient path for proton vehicle transport. III) The evaporation of acetonitrile quenches the proton transport path. b) Conductance G and c) susceptance B measured as a function of the temperature T with a lock‐in technique in sample 1. A peak appears at T c (aceto) = 310 K. d) Arrhenius plot of G below T c (aceto). The activation energy is E a = 1.28 eV, consistent with vehicle transport of protons. e) G measured in sample 2 as a function of T until 312 K, and back to room temperature. Thereafter the crystal is left to relax with time for 2 hours.