| Ionically conductive MOF thin-film series2022 · Sensitive humidity sensors based on ionically conductive metal-organic frameworks for breath monitoring and non-contact sensing | M2(linker)-MOF, M = Mg, Co, Cu, Zn, Ni; linker = dobdc, PMA, or PTADivalent Mg2+, Co2+, Cu2+, Zn2+, or Ni2+ ions; mobile metal ions act as charge carriers between layers. · 1,4-dioxido-2,5-benzenedicarboxylate (H4dobdc), pyromellitic acid (H4PMA), or terephthalic acid (H4PTA). | 2D · PristineLiquid-interface-sprayed multilayer IC-MOF films formed at a two-dimensional phase boundary with mobile metal ions between layers. | main p.2, article p.2 · Results and discussion · Fig. 1a |