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. 2020 Oct 13;23(11):101676. doi: 10.1016/j.isci.2020.101676

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This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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vdW Heterostructure Optoelectronic Synapses

(A) Schematic illustration of an h-BN/WSe₂ synaptic device integrated with h-BN/WSe₂ photodetector.

(B) Postsynaptic current characteristics and extracted conductance changing under different light conditions.

(C) STDP behavior obtained from the synaptic device.

(D) ONN for recognition of 28 × 28 RGB-colored images.

(E) (Left) Training and the testing datasets consisting of single-colored and color-mixed numeric pattern images. (Right) Weight mapping images after the 12th and 600th training epoch. Reprinted with permission from (Seo et al., 2018). Copyright 2018 Springer Nature.