Fig. 1: Preparation of SPEs.

a Schematic illustration of the preparation of P(IL-OFHDODA-VEC). b, c FTIR spectra (b) and thermogravimetric curves (c) of IL-OFHDODA-VEC and P(IL-OFHDODA-VEC).
a Schematic illustration of the preparation of P(IL-OFHDODA-VEC). b, c FTIR spectra (b) and thermogravimetric curves (c) of IL-OFHDODA-VEC and P(IL-OFHDODA-VEC).