H. Ma, H. Fang, X. Xie, Y. Liu, H. Tian, and Y. Chai, “Optoelectronic Synapses Based on MXene/Violet Phosphorus van der Waals Heterojunctions for Visual-Olfactory Crossmodal Perception”, Nano-Micro Lett, vol. 16, p. 104, Feb. 2024.