Towards All-Soft Matter Circuits: Prototypes of Quasi-Liquid Devices with Memristor Characteristics

Towards All-Soft Matter Circuits: Prototypes of Quasi-Liquid Devices with Memristor Characteristics

A new class of memristors based entirely on soft and liquid‐based matter is presented. The devices are formed by interfacing liquid metal electrodes with water‐based gel doped with polyelectrolytes. They memorize the last state of bias polarization on the basis of the asymmetric conductance of the h...

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Veröffentlicht in:Advanced materials (Weinheim) 2011-08, Vol.23 (31), p.3559-3564
Hauptverfasser: Koo, Hyung-Jun, So, Ju-Hee, Dickey, Michael D., Velev, Orlin D.
Format: Artikel
Sprache:eng
Schlagworte:
Electrodes
Electrolytes - chemistry
Electronics
flexible electronics
Hydrogel, Polyethylene Glycol Dimethacrylate - chemistry
hydrogels
liquid metal
memory devices
Metals - chemistry
Oxides - chemistry
polyelectrolytes
Robotics
soft electronics
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Beschreibung
Zusammenfassung:A new class of memristors based entirely on soft and liquid‐based matter is presented. The devices are formed by interfacing liquid metal electrodes with water‐based gel doped with polyelectrolytes. They memorize the last state of bias polarization on the basis of the asymmetric conductance of the hydrogel‐oxide‐liquid metal stack. Such devices may find application in circuit‐live tissue interfaces, soft robotics, and neuromorphic systems.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201101257