Journal
SMALL
Volume 13, Issue 29, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.201700933
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Funding
- National Natural Science Foundation of China [61404176, 11334014]
- National Science Foundation for Distinguished Young Scholars of China [61425020]
- Open-End Fund for the Valuable and Precision Instruments of Central South University
- Key Laboratory of Microelectronic Devices & Integrated Technology, Institute of Microelectronics, Chinese Academy of Sciences
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Hardware implementation of artificial synapses/neurons with 2D solid-state devices is of great significance for nanoscale brain-like computational systems. Here, 2D MoS2 synaptic/neuronal transistors are fabricated by using poly(vinyl alcohol) as the laterally coupled, proton-conducting electrolytes. Fundamental synaptic functions, such as an excitatory postsynaptic current, paired-pulse facilitation, and a dynamic filter for information transmission of biological synapse, are successfully emulated. Most importantly, with multiple input gates and one modulatory gate, spiking-dependent logic operation/modulation, multiplicative neural coding, and neuronal gain modulation are also experimentally demonstrated. The results indicate that the intriguing 2D MoS2 transistors are also very promising for the next-generation of nanoscale neuromorphic device applications.
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