Solution processing of 2D materials allows simple and low-cost techniques, such as ink-jet printing, to be used for fabrication of heterostructure-based devices of arbitrary complexity [1]. Our group has developed a supramolecular-based approach able to provide highly concentrated, defect-free, printable and water-based 2D crystal inks [2-3]. I will give examples of printed photodetectors on plastic [2], printed capacitors [4], transistors [4-6] and memristors on flexible and rigid substrates [7] as well as wearable sensors for breathing monitoring [8]. 

[1] Conti et al, Nature Rev Mat, https://doi.org/10.1038/s41578-023-00585-7

[2] McManus et al, Nature Nano, 12, 343 (2017)

[3] Tringides et al, Nature Nano, 16 (9), 1019 (2021)

[4] Worsley et al, ACS Nano, 2018, DOI: 10.1021/acsnano.8b06464

[5] Lu et al, ACS Nano, ACS Nano, 13, 11263 (2019)

[6] Conti et al, Nature comms, 11 (1), 1-9 (2020)

[7] Peng et al, Mat. Horizon 2024, just accepted

[8] Chen et al, Adv. Mat, just accepted