Resistive switching in graphene-organic device: charge transport properties of graphene-organic device through electric field induced optical second harmonic generation and charge modulation spectroscopy

Jacob, Mohan V., Taguchi, Dai, Iwamoto, Mitsumasa, Bazaka, Kateryna, and Rawat, Rajdeep Singh (2017) Resistive switching in graphene-organic device: charge transport properties of graphene-organic device through electric field induced optical second harmonic generation and charge modulation spectroscopy. Carbon, 112. pp. 111-116.

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Abstract

Graphene-based resistive random access memory devices is a promising non-volatile memory technology that combines low operation voltage and power, extremely fast write/erase speeds, excellent reliability and storage capacity of RRAM with low-cost, large area and flexibility of carbon-based technologies. However, low-cost single-step synthesis of high-quality graphene remains a challenge. In this paper, high quality graphene synthesized directly from sustainable carbon source (M. alternifolia oil) was used as electrode and pentacene/C60 as active layers in carbon-based RRAM. I-V measurements were used to demonstrate reproducible switching (rapid increase in current) at certain voltage which was reversible. Charge transport and accumulation was visualized using electric field induced optical second harmonic generation and charge modulation spectroscopy. Hole transport from graphene layer to the organic layer was the primary cause of the observed switching behavior.

Item ID: 49965
Item Type: Article (Refereed Research - C1)
ISSN: 1873-3891
Funders: Japan Society for the Promotion of Science (JSPS), Australian Research Council (ARC)
Projects and Grants: JSPS Grant-in-Aid for Scientific Research (S) No.22226007, ARC DE130101550
Date Deposited: 28 Aug 2017 02:21
FoR Codes: 09 ENGINEERING > 0912 Materials Engineering > 091208 Organic Semiconductors @ 100%
SEO Codes: 85 ENERGY > 8506 Energy Storage, Distribution and Supply > 850601 Energy Services and Utilities @ 100%
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