Biomass-Derived Nanoporous Graphene Memory Cell
- Authors
- Sattari-Esfahlan, S.M.; Bonnassieux, Y.; Kymissis, I.; Kim, Chang-Hyun
- Issue Date
- Apr-2022
- Publisher
- WILEY
- Keywords
- biomass; environmental materials; memories; nanoporous graphene; resistive switching
- Citation
- Advanced Materials Interfaces, v.9, no.11
- Journal Title
- Advanced Materials Interfaces
- Volume
- 9
- Number
- 11
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/84070
- DOI
- 10.1002/admi.202200084
- ISSN
- 2196-7350
- Abstract
- Nanoporous graphene (NPG) exhibits an apparent semiconductivity to solve the zero-gap problem of graphene and also offers multifunctionalities that are directly associated with its structural and chemical nature. However, reliable, low-cost, and large-scale production of NPG is a major challenge for its practical applications. Here, a high-performance resistive-switching memory cell based on biomass-derived NPG materials is demonstrated for the first time. A new processing method is suggested to create 3D NPG starting from Saccharum officinarum. The fabricated Au/NPG/Au two-terminal devices achieve an excellent electrical performance characterized by an operating voltage below 5 V and an ON/OFF current ratio of over 106. A range of materials and device characterizations reveal the oxygen ion migration and charge-injection modulation as a key mechanism behind the observed memory behaviors. This unconventional approach to high-performance memory devices is an important step toward sustainable electronics and intelligent technologies. © 2022 The Authors. Advanced Materials Interfaces published by Wiley-VCH GmbH
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