Journal
IEEE ELECTRON DEVICE LETTERS
Volume 43, Issue 3, Pages 394-397Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LED.2022.3144662
Keywords
Transistors; Logic gates; Films; Biomembranes; Electron traps; Synapses; Object recognition; Inkjet-printing; organic transistor; synaptic transistor array; multiple postsynaptic membranes
Categories
Funding
- National Natural Science Foundation of China [U21A20497, 61974029]
- Natural Science Foundation for Distinguished Young Scholars of Fujian Province [2020J06012]
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China [2021ZZ129]
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This study develops an organic synaptic transistor array using inkjet-printing technology to simulate synaptic behavior, and achieves synaptic array with varying synaptic behavior by adjusting printing spacing.
Artificial synaptic devices have been developed to simulate biological synapses, while the connections in different synapses are different in strength, which is usually ignored in current research of artificial synapses. Here, we develop organic synaptic transistor array in a single wafer using inkjet-printing to simulate synaptic behavior with one presynaptic membrane and multiple postsynaptic membranes. By regulating droplet spacing during inkjet-printing, synaptic array with varying synaptic behavior can be achieved. This new type of synaptic transistor array enriches the diversity of neuromorphic devices and provides a new direction for the construction of next-generation neural networks.
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