jingliang-silkfibroinbio-2017.pdf (3.91 MB)
A silk fibroin bio-transient solution processable memristor
journal contribution
posted on 2017-11-07, 00:00 authored by Jason Yong, Basem Hassan, You Liang, Kumaravelu Ganesan, Ranjith Rajasekharan, Robin Evans, Gary Egan, Omid Kavehei, Jingliang LiJingliang Li, Gursharan Chana, Babak Nasr, Efstratios SkafidasToday's electronic devices are fabricated using highly toxic materials and processes which limits their applications in environmental sensing applications and mandates complex encapsulation methods in biological and medical applications. This paper proposes a fully resorbable high density bio-compatible and environmentally friendly solution processable memristive crossbar arrays using silk fibroin protein which demonstrated bipolar resistive switching ratio of 104 and possesses programmable device lifetime characteristics before the device gracefully bio-degrades, minimizing impact to environment or to the implanted host. Lactate dehydrogenase assays revealed no cytotoxicity on direct exposure to the fabricated device and support their environmentally friendly and biocompatible claims. Moreover, the correlation between the oxidation state of the cations and their tendency in forming conductive filaments with respect to different active electrode materials has been investigated. The experimental results and the numerical model based on electro-thermal effect shows a tight correspondence in predicting the memristive switching process with various combinations of electrodes which provides insight into the morphological changes of conductive filaments in the silk fibroin films.
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Journal
Scientific reportsVolume
7Issue
1Article number
14731Publisher
Nature Publishing GroupLocation
London, Eng.Publisher DOI
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ISSN
2045-2322eISSN
2045-2322Language
engPublication classification
C1.1 Refereed article in a scholarly journalCopyright notice
2017, The AuthorsUsage metrics
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