An Organic Ferroelectric Synaptic Transistor

  • Poly(vinylidene-trifluoroethylene) P(VDF-TrFE) copolymer films generally demonstrate limited compatibility with organic semiconductors. The material is frequently compromised by exposure to organic semiconductor solutions and other fabrication processes utilized in the production of organic ferroelectric transistors. In this study, an organic ferroelectric field effect transistor (OFeFET) with the 6,13- Bis(triisopropylsilylethynyl) pentacene (TIPS-pentacene) channel is fabricated, in which the aluminum oxide (Al2O3) interlayer is used to improve compatibility. The device displays polymorphic storage and synaptic plasticity of long-term potentiation and depression. Furthermore, an artificial neural network constructed by our devices is simulated to succeed in recognizing the (MNIST) handwritten numeric database with a high accuracy of 92.8%. This research offers a viable approach to enhance the compatibility of the organic ferroelectric polymer P(VDF-TrFE) with organic semiconductors.
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