Journal
ORGANIC ELECTRONICS
Volume 13, Issue 1, Pages 178-183Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.orgel.2011.11.002
Keywords
Graphene; Memory effect; Polymer; Lamination
Funding
- Specialized Research Fund for the Doctoral Program of Higher Education of China [20103514120009]
- Fujian Education Department [JK2010005]
- National High Technology Research and Development Program of China (863 Program)
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Three-layer structured hybrid bistable devices (HBDs) utilizing graphene sheets sandwiched between polymer layers were fabricated by laminating two glass substrates coated with patterned electrodes and spacers. The hybrid devices using polystyrene (PS) and poly (vinyl-carbazole) (PVK) as matrix layer for graphene sheets demonstrated write-once-read-many-time and volatile memory effects, respectively. It is found that the memory properties of the HBDs can be tailored by varying the depth of the charge traps formed between the polymer matrix and graphene sheets. The possible operating mechanisms of the HBDs were analyzed based on the investigation of current-voltage characteristics for the hybrid devices. (C) 2011 Elsevier B.V. All rights reserved.
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