fig1

Figure 1. Fabrication of nanofluid ionic neuromorphic devices. (A) ‌Schematic diagram‌‌ of the two-dimensional nanofluidic channel. Reproduced with permission from ref.^[20]. Copyright 2023 American Association for the Advancement of Science; (B) Schematic illustration of time-dependent ion redistribution processes. Reproduced with permission from ref.^[14]. Copyright 2023 American Association for the Advancement of Science; (C) Stretchable polyanion-polycation heterojunction. Reproduced with permission from ref.^[23]. Copyright 2020 American Association for the Advancement of Science; (D) The heterogated interface and the ionic transmission path through the heterogated interface. Reproduced with permission from ref.^[25]. Copyright 2023 American Association for the Advancement of Science; (E) Various assemblies of hydrogel droplets. Reproduced with permission from ref.^[26]. Copyright 2024 American Association for the Advancement of Science. EDL: Electric double layer; IDL: ionic double layer.