Research / 2020 / Article / Fig 3

Review Article

Optical Patterning of Two-Dimensional Materials

Figure 3

Laser-induced oxidation of 2D materials. (a) Left: four-wave mixing images of a suspended monolayer graphene before (top) and after (bottom) laser-induced oxidation. Right: four-wave mixing image of laser-patterned monolayer graphene on Si/SiO2. Reproduced from Ref. [60] with permission from the Royal Society of Chemistry, copyright 2015. (b) Optical image of letter “N” optically patterned on few-layer phosphorene (top) and four-wave mixing image of the same pattern at blue and green wavelength excitation (bottom). Reproduced from Ref. [64] with permission from the American Chemical Society, copyright 2015.