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. 2020 Apr 15;120(13):5798–5877. doi: 10.1021/acs.chemrev.9b00693

Figure 34.

Figure 34

Normal force (FN) renormalized with curvature radius (R) between mica surfaces across (A) [C4MIM][NTF2], (B) [C6MIM][NTF2], (C) [C4MPYRR][NTF2], (D) [C8MPYRR][NTF2], (E) [C10MPYRR][NTF2], and (F) [C4MPYRR]0.5[C10MPYRR]0.5[NTF2] mixture as a function of separation distance between mica surfaces. Open diamond points were measured on approach and open circles on retraction of mica surfaces. Schematics indicate possible layering structures for pure ILs and IL–IL mixtures. Reproduced with permission from ref (920). Copyright 2013 Royal Society of Chemistry.