Ternary resistive switching memory behavior of polycarbazole:TiO 2 nanoparticles-based device
Thin Solid Films, ISSN: 0040-6090, Vol: 754, Page: 139291
2022
- 2Citations
- 5Captures
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Article Description
In this paper, the donor-acceptor copolymer poly[2,7–9- (heptadecan-9-yl)-9H-carbazole-co-12H-benzo[5,6]isoindolo[2,1- a ]benzimidazole-12-one] (PCz-BI) was synthesized by Suzuki reaction. Devices based on PCz-BI and titanium dioxide (TiO 2 ) nanoparticles composite as the active layer were prepared by a spin coating method and showed ternary resistance switching storage properties. It was shown that the addition of metal oxide nanoparticles improves memory storage performances. The optimum TiO 2 content was 6 wt% and this device had the lowest SET voltage of -0.5 V and the best switching current ratio of 1:10 1.6 :10 4.8. Moreover, the developed device proved as highly stable during 10 3 cycles. The conductivity and the structural basis for the storage mechanism were studied using electrochemical measurements, ultraviolet-visible spectroscopy, and quantum chemical calculations.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S004060902200205X; http://dx.doi.org/10.1016/j.tsf.2022.139291; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85130334419&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S004060902200205X; https://dx.doi.org/10.1016/j.tsf.2022.139291
Elsevier BV
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