fig3
Figure 3. Unique existing and prospective applications via MIDs. (A and B) Moisture-induced non-contact sensing. Reprinted with permission. Copyright 2024, Elsevier[31]; (C) Moisture-mediated proton gating. Reprinted with permission. Copyright 2025, Springer Nature[14]; (D) Moisture-induced information storage. Reprinted with permission. Copyright 2017, WILEY-VCH[32]; (E) Future applications of MIDs in neuronal modulation. Reprinted with permission. Copyright 2023, Springer Nature[33]; (F) Smart agroforestry. Reprinted with permission. Copyright 2025, Springer Nature[14]; (G) Ionic logic gating. Reprinted with permission. Copyright 2024, AAAS[34]; (H) Human-computer interface. Reprinted with permission. Copyright 2018, Springer Nature[9]. MID: Moisture-induced iontronic device; VG: gate potential; VSD: source-drain bias



