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All Graphene-Based Thin Film Transistors on Flexible Plastic Substrates

Cited 174 time in Web of Science Cited 198 time in Scopus
Authors
Lee, Seoung-Ki; Jang, Ho Young; Jang, Sukjae; Choi, Euiyoung; Hong, Byung Hee; Lee, Jaichan; Park, Sungho; Ahn, Jong-Hyun
Issue Date
2012-07
Citation
Nano Letters, Vol.12 No.7, pp.3472-3476
Keywords
Graphenegraphene oxideflexible electronicsthin film transistor
Abstract
High-performance, flexible all graphene-based thin film transistor (TFT) was fabricated on plastic substrates using a graphene active layer, graphene oxide (GO) dielectrics, and graphene electrodes. The GC) dielectrics exhibit a dielectric constant (3.1 at 77 K), low leakage current (17 mA/cm(2)), breakdown bias (1.5 x 10(6) V/cm), and good mechanical flexibility. Graphene-based TFTs showed a hole and electron mobility of 300 and 250 cm(2)/(V.s), respectively, at a drain bias of -0.1 V. Moreover, graphene TFTs on the plastic substrates exhibited remarkably good mechanical flexibility and optical transmittance. This method explores a significant step for the application of graphene toward flexible and stretchable electronics.
ISSN
1530-6984
URI
https://hdl.handle.net/10371/172219
DOI
https://doi.org/10.1021/nl300948c
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College of Natural Sciences (자연과학대학)Dept. of Chemistry (화학부)Journal Papers (저널논문_화학부)
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