Fig. 4: Overview of solution-processable 2D materials and their device applications.

a Optical portion of the electromagnetic spectrum in UV, visible, and IR range. Molecule structure and corresponding electrical properties of insulating h-BN (b, f), semiconducting n-type TMDCs (c, g), semiconducting p-type BP (d, h), semi-metallic graphene (e, i). j–n Device applications of solution-processable 2D materials. j RRAM. k Memtransistor. l photodetector. m Ferroelectric field-effect transistor (FET). n Sensor. Panel g reprinted with permission from ref. 65., Springer Nature Limited; Panel h reprinted with permission from ref. 67., Wiley-VCH2021; Panel f reprinted with permission from ref. 126., American Chemical Society; Panel i reprinted with permission from ref. 133., Wiley-VCH2021.