期刊
ACS APPLIED MATERIALS & INTERFACES
卷 8, 期 17, 页码 10954-10960出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b10414
关键词
egg albumen; proteins; memristors; bipolar switch; dissolvability
资金
- NSFC [61274037, 61301046]
- Research Fund for the Doctoral Program of Higher Education of China [20120101110031, 20120101110054]
Egg albumen as the dielectric, and dissolvable Mg and W as the top and bottom electrodes are used to fabricate water-soluble memristors. 4 X 4 cross-bar configuration memristor devices show a bipolar resistive switching, behavior with a high to low resistance ratio in the range of 1 X 10(2) to 1 X 10(4), higher than most other biomaterial-based memristors, and a retention time over 10(4) s without any sign of deterioration, demonstrating its high stability and reliability. Metal filaments accompanied by hopping conduction are believed to be responsible for the switching behavior of the memory devices. The Mg and W electrodes, and albumen film all can be dissolved in water within 72 h, showing their transient characteristics. This work demonstrates a new way to fabricate biocompatible and dissolvable electronic devices by using cheap, abundant, and 100% natural materials for the forthcoming bioelectronics era as well as for environmental sensors when the Internet of things takes off.
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