Boosting Functional Diversification of 2D Materials—From Multiresponsive Hybrid Heterostructures to Neuromorphic Logics

Engineering the interfacing of 2D semiconductors with molecules by making use of principles of supramolecular chemistry represents a powerful strategy to impart multiresponsiveness to 2D materials with the ultimate goal of generating multifunctional hybrid systems for applications in electronics beyond CMOS through the functional diversification following a “more than Moore” strategy. [1]<br/>In my lecture I will present our recent findings on the non-covalent functionalization of 2D materials to engineer hybrid systems via the controlled interfacing of their two surfaces either in a symmetric or asymmetric fashion with molecular switches, thereby imparting additional properties to MoS₂, back phosphorous or WSe₂, rendering 2D material-based transistors capable to respond to as many as four different independent stimuli.[2] Such a strategy enabled to execute complex function thereby emulating neuromorphic-based cognitive processes.[3]<br/><br/>Our modular strategies relying on the combination of 2D materials with molecules offer a simple route to generate multifunctional coatings, foams and nanocomposites with programmed properties to address key global challenges, to ultimately improve the quality of life on our planet.<br/><br/><br/>[1] For reviews: (a) <i>Chem. Soc. Rev. </i><b>2018</b> <i>47</i>, 6845-6888. (b) <i>Adv. Mater.</i> <b>2018</b>, <i>30</i>, 1706103. (c) <i>Chem. Rev.</i>, <b>2022</b>, <i>122</i>, 50–131.<br/>[2] (a) <i>Chem. Sci.</i> <b>2022</b>, <i>13</i>, 315. (b) <i>Adv. Funct. Mater. </i><b>2021</b> <i>31</i>, 2102721. (c) <i>ACS Nano</i> <b>2021</b>, <i>15</i>, 10668. (d) <i>Adv. Mater. </i><b>2020</b>, 32, 1907903<br/><i>[3] Adv. Mater. </i><b>2024</b>, <i>36</i>, 2307359