Wu, W., Han, S.-T., Venkatesh, S., Sun, Q., Peng, H., Zhou, Y., Yeung, C., Li, R.K.Y. and Roy, V.A.L. (2018) Biodegradable skin-inspired nonvolatile resistive switching memory based on gold nanoparticles embedded alkali lignin. Organic Electronics, 59, pp. 382-388. (doi: 10.1016/j.orgel.2018.05.051)
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Abstract
Natural biomaterials are capable of producing biodegradable and/or biocompatible electronic devices for vast applications such as next-generation green data storage. Here, we demonstrate an environment-friendly alkali lignin as a favourable candidate for resistive switching memory storage applications. The resistive memory devices based on gold nanoparticles embedded alkali lignin (Au NPs:lignin) exhibits a typical write-once-read-many-times memory (WORM) resistive switching behaviour with a large on-off ratio (>104), and long data retention characteristics (>103 s) under low power operation (4.7 V). Au NPs acting as trapping sites in the active layer are responsible for the resistive switching mechanism. The active layer is fabricated on organic substrates through facile solution-processed methods under normal ambient conditions. The skin-inspired polylactide (PLA) film is utilized as an ultrathin substrate endowing the memory devices with good mechanical support and biodegradability. This work opens up new avenues towards renewable and environmentally benign lignin-based materials for biodegradable electronic devices.
| Item Type: | Articles |
|---|---|
| Additional Information: | This work was supported by a grant from the City University of Hong Kong (SRG 7004377) and the RGC of Hong Kong project number T42-103/16N. |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Vellaisamy, Professor Roy |
| Authors: | Wu, W., Han, S.-T., Venkatesh, S., Sun, Q., Peng, H., Zhou, Y., Yeung, C., Li, R.K.Y., and Roy, V.A.L. |
| College/School: | College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering |
| Journal Name: | Organic Electronics |
| Publisher: | Elsevier |
| ISSN: | 1566-1199 |
| ISSN (Online): | 1878-5530 |
| Published Online: | 30 May 2018 |
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