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Aqueous-solution-processed proton-conducting carbon nitride/polyvinylpyrrolidone composite electrolytes for low-power synaptic transistor with learning and memory functions

Abstract

Brain-inspired neuromorphic devices have recently received increasing attention because of the unique characteristics, such as learning/memory function and low power consumption. However, Development of synaptic transistors with ultra-low operating voltage, excellent learning/memory function and low manufacturing cost is still a huge challenge in simulating artificial synapse. In the work, a new strategy of aqueous-solution-processed proton-conducting carbon nitride/polyvinylpyrrolidone (C3N4/PVP) composite electrolytes is proposed for fabricating InZnO synaptic transistor. The synaptic transistor shows a high mobility of 75.4 cm2/V•s and an ultralow threshold voltage of 0.33 V. The paired pulse facilitation (PPF), paired pulse depression (PPD) short-term memory and long-term memory of the device are successfully exhibited. The minimum power consumption of the pulse is 0.32 nJ. In addition, “AND” and “YES” logic operations are implemented in the synaptic transistor. The traditional Pavlovian conditioning is successfully imitated in our equipment, which presents excellent memory and learning ability. The work opens a new avenue to achieve high performance synaptic transistors, which provides a valuable exploration for developing neuromorphic electronics.

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Supplementary files

Article information


Submitted
22 Oct 2019
Accepted
05 Feb 2020
First published
05 Feb 2020

J. Mater. Chem. C, 2020, Accepted Manuscript
Article type
Paper

Aqueous-solution-processed proton-conducting carbon nitride/polyvinylpyrrolidone composite electrolytes for low-power synaptic transistor with learning and memory functions

J. Li, Q. Chen, Y. Yang, W. Zhu and J. Zhang, J. Mater. Chem. C, 2020, Accepted Manuscript , DOI: 10.1039/C9TC05765J

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