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- Title
AgNW/stereocomplex-type polylactide biodegradable conducting film and its application in flexible electronics.
- Authors
Zhou, Jun; Yu, Junsheng; Bai, Dongyu; Lu, Jun; Liu, Huili; Li, Ying; Li, Lu
- Abstract
The flourishing development and fast-growing consumption of flexible electronics has brought great pressure to the fragile environment owing to the large amount of plastic waste generated by their non-degradable petroleum-derived polymeric substrates. To alleviate environmental burdens, there's an urgent need to develop bio-based and biodegradable polymers to replace the petroleum-derived ones used in flexible electronics. In this work, a fully biodegradable polymer, stereocomplex-type polylactide (SC-PLA), together with silver nanowire (AgNW) was exploited to fabricate conductive composite film and the application of this film in flexible electronics was explored. By thermal annealing in the protection of a zinc oxide (ZnO) layer, the AgNW/SC-PLA film with 100% stereocomplex crystallites was obtained. The ZnO/AgNW/SC-PLA film exhibited the sheet resistance of 39.3 Ω/sq with good stability under bending and tape tests. As contrasted with PLA, the film based on SC-PLA presented better mechanical properties and hydrolysis resistance. Specially, a pressure sensor based on the ZnO/AgNW/SC-PLA film was successfully fabricated and it showed considerable flexibility, high sensitivity, and good stability. This work provided an effective way to fabricate biodegradable AgNW/SC-PLA film with high performances and great application potentials, which could help broaden the applications of SC-PLA and develop degradable flexible electronics.
- Subjects
FLEXIBLE electronics; POLYLACTIC acid; PLASTIC scrap; PRESSURE sensors; ZINC oxide; BIODEGRADABLE plastics
- Publication
Journal of Materials Science: Materials in Electronics, 2021, Vol 32, Issue 5, p6080
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-021-05327-5