Journal ArticleDOI
Organic Nonvolatile Memory Transistors for Flexible Sensor Arrays
Tsuyoshi Sekitani,Tomoyuki Yokota,Ute Zschieschang,Hagen Klauk,Siegfried Bauer,Ken Takeuchi,Makoto Takamiya,Takayasu Sakurai,Takao Someya +8 more
TLDR
A sensor matrix is realized that detects the spatial distribution of applied mechanical pressure and stores the analog sensor input as a two-dimensional image over long periods of time by integrating a flexible array of organic floating-gate transistors with a pressure-sensitive rubber sheet.Abstract:
Using organic transistors with a floating gate embedded in hybrid dielectrics that comprise a 2-nanometer-thick molecular self-assembled monolayer and a 4-nanometer-thick plasma-grown metal oxide, we have realized nonvolatile memory arrays on flexible plastic substrates. The small thickness of the dielectrics allows very small program and erase voltages (≤6 volts) to produce a large, nonvolatile, reversible threshold-voltage shift. The transistors endure more than 1000 program and erase cycles, which is within two orders of magnitude of silicon-based floating-gate transistors widely employed in flash memory. By integrating a flexible array of organic floating-gate transistors with a pressure-sensitive rubber sheet, we have realized a sensor matrix that detects the spatial distribution of applied mechanical pressure and stores the analog sensor input as a two-dimensional image over long periods of time.read more
Citations
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Structural and electrical properties of P3HT:PCBM/PEDOT:PSS thin films deposited through electrohydrodynamic atomization technique
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Engineering the metal gate electrode for controlling the threshold voltage of organic transistors
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The Motivation for and Challenges to Scaling Down Organic Field-Effect Transistors
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The nature of the aluminum–aluminum oxide interface: A nanoscale picture of the interfacial structure and energy-level alignment
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Micro/nano Functional Devices Fabricated by Additive Manufacturing
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References
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Conformable, flexible, large-area networks of pressure and thermal sensors with organic transistor active matrixes
Takao Someya,Yusaku Kato,Tsuyoshi Sekitani,Shingo Iba,Yoshiaki Noguchi,Yousuke Murase,Hiroshi Kawaguchi,Takayasu Sakurai +7 more
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Ultralow-power organic complementary circuits
TL;DR: This work demonstrates an organic circuit with very low power consumption that uses a self-assembled monolayer gate dielectric and two different air-stable molecular semiconductors (pentacene and hexadecafluorocopperphthalocyanine, F16CuPc) to implement transistors, circuits, displays and sensors on arbitrary substrates.
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R.C.G. Naber,C. Tanase,Paul W. M. Blom,Gerwin H. Gelinck,Albert W. Marsman,Fredericus J. Touwslager,Sepas Setayesh,Dago M. de Leeuw +7 more
TL;DR: In this paper, a non-volatile memory device with flexible plastic active layers deposited from solution is presented, and the memory device is a ferroelectric field effect transistor (FeFET) made with a Ferroelectric fluoropolymer and a bisalkoxy-substituted poly(pphenylene vinylene) semiconductor material.