Journal
ORGANIC ELECTRONICS
Volume 45, Issue -, Pages 81-88Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.orgel.2017.02.035
Keywords
Field-effect transistor; Polyera (TM) N2200; Self-assembled monolayer; Flash memory; Reduce graphene oxide; Gold nanoparticles
Funding
- French RENATECH network
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In this paper, n type nonvolatile memory devices were fabricated by implanting a bilayer (rGO sheets/Au NP) floating gates, using n-type polymer semiconductor, poly {[N, N' bis (2octyldodecyl) - naphthalene-1, 4, 5, 8 - bis (dicarboximide)-2,6-diyl] - alt - 5,5' - (2, 2' bithiophene)) [P(NDI2OD-T2)n]. In the developed organic field effect transistor memory devices, electrons are trapped/detrapped in rGO sheet/Au NP's nano-floating gates by controlling the charge carrier density in the active layer through back gate bias control. The devices showed interesting non-volatile memory properties with a large memory window of similar to 34 V, a programming-reading-erasing cycling endurance of 103 times and most importantly, an improved retention time characteristics estimated by extrapolation (longer than the technological requirement of commercial memory devices (>10 years)). This approach provides a great potential for fabricating high-performances organic nano-floating gate memory devices and opens up a new way for the development of next-generation non-volatile memory devices. (C) 2017 Elsevier B.V. All rights reserved.
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