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Bio-polysaccharide electrolyte gated photoelectric synergic coupled oxide neuromorphic transistor with Pavlovian activities

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Abstract

Recently, realizing artificial perception learning systems at the hardware level based on neuromorphic devices has become a new research branch in artificial intelligence technology. Here, we report multi-functional starch-based bio-polysaccharide electrolyte gated photoelectronic synergic coupled indium–gallium–zinc oxide (IGZO) neuromorphic transistors. Both light illumination and voltage biasing will modulate the channel conductance. Thanks to strong electrical-double-layer (EDL) coupling behaviors of the starch-based bio-polysaccharide electrolyte, the neuromorphic transistor can operate at low voltages. Interestingly, the neuromorphic transistor exhibits long-term memory response behaviors under light stimuli. Moreover, photoelectric synergic spatiotemporal integration behaviors are demonstrated by introducing a light spike stimulus and voltage spike stimulus in a temporal and spatial manner. Furthermore, connections between electric spikes and light spikes have been established, which results in the demonstration of the Pavlovian classical condition. The proposed photoelectric synergic neuromorphic transistors would have potential applications in brain-inspired multifunction intelligent perception system applications.

Graphical abstract: Bio-polysaccharide electrolyte gated photoelectric synergic coupled oxide neuromorphic transistor with Pavlovian activities

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Article information


Submitted
10 Dec 2019
Accepted
13 Jan 2020
First published
15 Jan 2020

J. Mater. Chem. C, 2020, Advance Article
Article type
Paper

Bio-polysaccharide electrolyte gated photoelectric synergic coupled oxide neuromorphic transistor with Pavlovian activities

Y. B. Guo, L. Q. Zhu, T. Y. Long, D. Y. Wan and Z. Y. Ren, J. Mater. Chem. C, 2020, Advance Article , DOI: 10.1039/C9TC06749C

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