Journal
NANOMATERIALS
Volume 13, Issue 23, Pages -Publisher
MDPI
DOI: 10.3390/nano13233021
Keywords
starch; graphene quantum dots; PMMA layer; resistive memory
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By introducing graphene quantum dots and PMMA layer into the memristor, the performance and electrical characteristics of the device can be improved.
By doping a dielectric layer material and improving the device's structure, the electrical characteristics of a memristor can be effectively adjusted, and its application field can be expanded. In this study, graphene quantum dots are embedded in the dielectric layer to improve the performance of a starch-based memristor, and the PMMA layer is introduced into the upper and lower interfaces of the dielectric layer. The experimental results show that the switching current ratio of the Al/starch: GQDs/ITO device was 102 times higher than that of the Al/starch/ITO device. However, the switching current ratio of the Al/starch: GQDs/ITO device was further increased, and the set voltage was reduced (-0.75 V) after the introduction of the PMMA layer. The introduction of GQDs and PMMA layers can regulate the formation process of conductive filaments in the device and significantly improve the electrical performance of the memristor.
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