Figure 8.

Synthesis of patterned TMDs via patterned substrate. (a) Schematic illustration and OM image of patterned MoS₂ layers by dragging a precursor solution droplet via micropipette tip. Reproduced from ref (74). Copyright 2021 Springer Nature. (b) Optical image of arrays of MoS₂ nanoflakes grown from patterned Na₂MoO₄ squares. Reproduced from ref (75). Copyright 2019 Royal Society of Chemistry. (c) OM and the corresponding atomic force microscope (AFM) images of patterned MoS₂ (upper) and WS₂ (bottom) nanoflakes via the DWP. Reproduced from ref (32). Copyright 2019 IOP Publishing Ltd. (d) Schematic model and OM images of monolayer “JNU” MoS₂ based on patterned aqueous precursors (upper) and the OM images of as-grown TMDs with different growth temperature along the printed aqueous precursors direction on the transparent glass substrate (bottom) via inkjet printing. Reproduced from ref (23). Copyright 2021 John Wiley and Sons.